Best Component Testers. Reviews November, 2020

LCR-T4 Mega328 Digital Transistor Tester Resistance Capacitance Diode Triode Capacitance Resistance ESR Meter MOS PNP NPN LCR with Case

Search only AITRIP brand name
LCR-T4 Mega328 Digital Transistor Tester Resistance Capacitance Diode Triode Capacitance Resistance ESR Meter MOS PNP NPN LCR with Case

Current price: 12.39 USD


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  • Auto power off function to avoid unnecessary waste, saving battery power, improved battery life
  • 128*64 big Backlight LCD display,only 2mA when stand by.
  • High test speed, valid component test: 2 seconds (except in the larger capacitor of large capacitance measurement also takes a long time, the measured time of one minute is normal)
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • Test ranges:Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube, ESR, Resistance, Adjustable potentiometer

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Multi-function Tester, Longruner 1.8 inch Colorful Display Pocketable Multifunctional TFT Backlight Transistor LCR-TC1 Tester for Diode Triode Capacitor Resistor Transistor LCR ESR NPN PNP MOSFET LW21

Search only Longruner brand name
Multi-function Tester, Longruner 1.8 inch Colorful Display Pocketable Multifunctional TFT Backlight Transistor LCR-TC1 Tester for Diode Triode Capacitor Resistor Transistor LCR ESR NPN PNP MOSFET LW21

Current price: 31.99 USD


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  • Auto power off function to avoid unnecessary waste, saving battery power, improved battery life
  • 128*64 big Backlight LCD display,only 2mA when stand by.
  • High test speed, valid component test: 2 seconds (except in the larger capacitor of large capacitance measurement also takes a long time, the measured time of one minute is normal)
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • Test ranges:Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube, ESR, Resistance, Adjustable potentiometer
  • One key operation, Auto Power Off(Timeout Settable). Can also press the multi-functional button to close the detector.
  • Measurement results represent by TFT graphic display(160x128). Support Chinese and English.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. ( Use 12864 liquid crystal display with green backlight).
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, resistor and capacitor and other components, etc.

More Info

Transistor Tester, DROK Mosfet Transistor Capacitor Tester, Mega328 NPN PNP Transistor Diode Resistor Inductor Capacitance MOS SCR ESR Meter Automatic Checker Detector

Search only DROK brand name
Transistor Tester, DROK Mosfet Transistor Capacitor Tester, Mega328 NPN PNP Transistor Diode Resistor Inductor Capacitance MOS SCR ESR Meter Automatic Checker Detector

Current price: 29.99 USD


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  • Auto power off function to avoid unnecessary waste, saving battery power, improved battery life
  • 128*64 big Backlight LCD display,only 2mA when stand by.
  • High test speed, valid component test: 2 seconds (except in the larger capacitor of large capacitance measurement also takes a long time, the measured time of one minute is normal)
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • Test ranges:Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube, ESR, Resistance, Adjustable potentiometer
  • One key operation, Auto Power Off(Timeout Settable). Can also press the multi-functional button to close the detector.
  • Measurement results represent by TFT graphic display(160x128). Support Chinese and English.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. ( Use 12864 liquid crystal display with green backlight).
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, resistor and capacitor and other components, etc.
  • ✔ AUTO SHUT-DOWN FUNCTION: Our advanced electronic transistor tester owns auto shut-down function. There is shutdown countdown displayed on the monitor and the shutdown countdown time can be extended to 40s.
  • ✔ BATTERY POWERED: This monitor is powered by DC9V battery (not included).
  • ✔ AUTOMATICAL IDENTIFICATION: DROK intelligent transistor checker is able to detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, thyristors, resistors, capacitors or other devices automatically.
  • ✔ LARGE & CLEAR LCD DIGITAL DISPLAY: This amazing detector adopts 1.8" TFT color LCD screen with high-resolution. Besides, different parameter is shown with different color, convenient and simple for you to check the parameter.
  • ✔ WIDE APPLICATION: This multifunctional capacitance meter can be used to test triode, field-effect tube(FET), diode, resistor, capacitor, inductor, MOS, SCR, which is available for various electric transistor testing.

More Info

KOOKYE Mega328 Transistor Tester Diode Triode Capacitance ESR Meter MOS/PNP/NPN L/C/R with Clear case

Search only KOOKYE brand name
KOOKYE Mega328 Transistor Tester Diode Triode Capacitance ESR Meter MOS/PNP/NPN L/C/R with Clear case

Current price: 14.97 USD


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Weight: 0.440924524 Pounds

  • Auto power off function to avoid unnecessary waste, saving battery power, improved battery life
  • 128*64 big Backlight LCD display,only 2mA when stand by.
  • High test speed, valid component test: 2 seconds (except in the larger capacitor of large capacitance measurement also takes a long time, the measured time of one minute is normal)
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • Test ranges:Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube, ESR, Resistance, Adjustable potentiometer
  • One key operation, Auto Power Off(Timeout Settable). Can also press the multi-functional button to close the detector.
  • Measurement results represent by TFT graphic display(160x128). Support Chinese and English.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. ( Use 12864 liquid crystal display with green backlight).
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, resistor and capacitor and other components, etc.
  • ✔ AUTO SHUT-DOWN FUNCTION: Our advanced electronic transistor tester owns auto shut-down function. There is shutdown countdown displayed on the monitor and the shutdown countdown time can be extended to 40s.
  • ✔ BATTERY POWERED: This monitor is powered by DC9V battery (not included).
  • ✔ AUTOMATICAL IDENTIFICATION: DROK intelligent transistor checker is able to detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, thyristors, resistors, capacitors or other devices automatically.
  • ✔ LARGE & CLEAR LCD DIGITAL DISPLAY: This amazing detector adopts 1.8" TFT color LCD screen with high-resolution. Besides, different parameter is shown with different color, convenient and simple for you to check the parameter.
  • ✔ WIDE APPLICATION: This multifunctional capacitance meter can be used to test triode, field-effect tube(FET), diode, resistor, capacitor, inductor, MOS, SCR, which is available for various electric transistor testing.
  • Before measuring capacitance , the capacitor must be discharged ,otherwise likely damage the meter
  • Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube , ESR,
  • Resistance measurement resolution is 0.1 ohms , 50M ohms can be measured
  • Automatic test the pin of a component, and display on the LCD
  • LCD 12864 LCD display, with backlight , backlight color is generally yellow-green.How to adjust contrast brightness? Visit this link to watch video: https://youtu.be/wEnZgidk6lc

More Info

LCR-T4 Mega328 Component Tester Transistor Tester Diode Triode Capacitance LCR ESR Meter Module MOS PNP/NPN M328(Battery Case with Shell)

Search only Gearwoo brand name
LCR-T4 Mega328 Component Tester Transistor Tester Diode Triode Capacitance LCR ESR Meter Module MOS PNP/NPN M328(Battery Case with Shell)

Current price: 12.38 USD


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  • Auto power off function to avoid unnecessary waste, saving battery power, improved battery life
  • 128*64 big Backlight LCD display,only 2mA when stand by.
  • High test speed, valid component test: 2 seconds (except in the larger capacitor of large capacitance measurement also takes a long time, the measured time of one minute is normal)
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • Test ranges:Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube, ESR, Resistance, Adjustable potentiometer
  • One key operation, Auto Power Off(Timeout Settable). Can also press the multi-functional button to close the detector.
  • Measurement results represent by TFT graphic display(160x128). Support Chinese and English.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. ( Use 12864 liquid crystal display with green backlight).
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, resistor and capacitor and other components, etc.
  • ✔ AUTO SHUT-DOWN FUNCTION: Our advanced electronic transistor tester owns auto shut-down function. There is shutdown countdown displayed on the monitor and the shutdown countdown time can be extended to 40s.
  • ✔ BATTERY POWERED: This monitor is powered by DC9V battery (not included).
  • ✔ AUTOMATICAL IDENTIFICATION: DROK intelligent transistor checker is able to detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, thyristors, resistors, capacitors or other devices automatically.
  • ✔ LARGE & CLEAR LCD DIGITAL DISPLAY: This amazing detector adopts 1.8" TFT color LCD screen with high-resolution. Besides, different parameter is shown with different color, convenient and simple for you to check the parameter.
  • ✔ WIDE APPLICATION: This multifunctional capacitance meter can be used to test triode, field-effect tube(FET), diode, resistor, capacitor, inductor, MOS, SCR, which is available for various electric transistor testing.
  • Before measuring capacitance , the capacitor must be discharged ,otherwise likely damage the meter
  • Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube , ESR,
  • Resistance measurement resolution is 0.1 ohms , 50M ohms can be measured
  • Automatic test the pin of a component, and display on the LCD
  • LCD 12864 LCD display, with backlight , backlight color is generally yellow-green.How to adjust contrast brightness? Visit this link to watch video: https://youtu.be/wEnZgidk6lc
  • ☀lcr t4 uses 12864 liquid crystal display with green backlight
  • ☀Transistor tester measures the gate and gate capacitance of the MOSFET threshold voltage
  • ☀Electronic component tester automaticly test the pin of a component, and display on the LCD
  • ☀This mega 328 tester can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage
  • ☀Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components

More Info

ICQUANZX LCR TC1 ESR Tester Transistor Inductance Capacitance Resistance ESR Meter

Search only ICQUANZX brand name
ICQUANZX LCR TC1 ESR Tester Transistor Inductance Capacitance Resistance ESR Meter

Current price: 20.99 USD


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  • Auto power off function to avoid unnecessary waste, saving battery power, improved battery life
  • 128*64 big Backlight LCD display,only 2mA when stand by.
  • High test speed, valid component test: 2 seconds (except in the larger capacitor of large capacitance measurement also takes a long time, the measured time of one minute is normal)
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • Test ranges:Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube, ESR, Resistance, Adjustable potentiometer
  • One key operation, Auto Power Off(Timeout Settable). Can also press the multi-functional button to close the detector.
  • Measurement results represent by TFT graphic display(160x128). Support Chinese and English.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. ( Use 12864 liquid crystal display with green backlight).
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, resistor and capacitor and other components, etc.
  • ✔ AUTO SHUT-DOWN FUNCTION: Our advanced electronic transistor tester owns auto shut-down function. There is shutdown countdown displayed on the monitor and the shutdown countdown time can be extended to 40s.
  • ✔ BATTERY POWERED: This monitor is powered by DC9V battery (not included).
  • ✔ AUTOMATICAL IDENTIFICATION: DROK intelligent transistor checker is able to detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, thyristors, resistors, capacitors or other devices automatically.
  • ✔ LARGE & CLEAR LCD DIGITAL DISPLAY: This amazing detector adopts 1.8" TFT color LCD screen with high-resolution. Besides, different parameter is shown with different color, convenient and simple for you to check the parameter.
  • ✔ WIDE APPLICATION: This multifunctional capacitance meter can be used to test triode, field-effect tube(FET), diode, resistor, capacitor, inductor, MOS, SCR, which is available for various electric transistor testing.
  • Before measuring capacitance , the capacitor must be discharged ,otherwise likely damage the meter
  • Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube , ESR,
  • Resistance measurement resolution is 0.1 ohms , 50M ohms can be measured
  • Automatic test the pin of a component, and display on the LCD
  • LCD 12864 LCD display, with backlight , backlight color is generally yellow-green.How to adjust contrast brightness? Visit this link to watch video: https://youtu.be/wEnZgidk6lc
  • ☀lcr t4 uses 12864 liquid crystal display with green backlight
  • ☀Transistor tester measures the gate and gate capacitance of the MOSFET threshold voltage
  • ☀Electronic component tester automaticly test the pin of a component, and display on the LCD
  • ☀This mega 328 tester can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage
  • ☀Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly.
  • One button operation, automatically detect and shutdown, and you can also press the multi-functional button to close the detector.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Can also be used to detect infrared wave forms.
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, etc.

More Info

LCR-T4 Mega328 Component Tester Transistor Tester Diode Triode Capacitance LCR ESR Meter Module MOS PNP/NPN M328 (Battery Case)

Search only Gearwoo brand name
LCR-T4 Mega328 Component Tester Transistor Tester Diode Triode Capacitance LCR ESR Meter Module MOS PNP/NPN M328 (Battery Case)

Current price: 9.99 USD


Check price and availability


  • Auto power off function to avoid unnecessary waste, saving battery power, improved battery life
  • 128*64 big Backlight LCD display,only 2mA when stand by.
  • High test speed, valid component test: 2 seconds (except in the larger capacitor of large capacitance measurement also takes a long time, the measured time of one minute is normal)
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • Test ranges:Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube, ESR, Resistance, Adjustable potentiometer
  • One key operation, Auto Power Off(Timeout Settable). Can also press the multi-functional button to close the detector.
  • Measurement results represent by TFT graphic display(160x128). Support Chinese and English.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. ( Use 12864 liquid crystal display with green backlight).
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, resistor and capacitor and other components, etc.
  • ✔ AUTO SHUT-DOWN FUNCTION: Our advanced electronic transistor tester owns auto shut-down function. There is shutdown countdown displayed on the monitor and the shutdown countdown time can be extended to 40s.
  • ✔ BATTERY POWERED: This monitor is powered by DC9V battery (not included).
  • ✔ AUTOMATICAL IDENTIFICATION: DROK intelligent transistor checker is able to detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, thyristors, resistors, capacitors or other devices automatically.
  • ✔ LARGE & CLEAR LCD DIGITAL DISPLAY: This amazing detector adopts 1.8" TFT color LCD screen with high-resolution. Besides, different parameter is shown with different color, convenient and simple for you to check the parameter.
  • ✔ WIDE APPLICATION: This multifunctional capacitance meter can be used to test triode, field-effect tube(FET), diode, resistor, capacitor, inductor, MOS, SCR, which is available for various electric transistor testing.
  • Before measuring capacitance , the capacitor must be discharged ,otherwise likely damage the meter
  • Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube , ESR,
  • Resistance measurement resolution is 0.1 ohms , 50M ohms can be measured
  • Automatic test the pin of a component, and display on the LCD
  • LCD 12864 LCD display, with backlight , backlight color is generally yellow-green.How to adjust contrast brightness? Visit this link to watch video: https://youtu.be/wEnZgidk6lc
  • ☀lcr t4 uses 12864 liquid crystal display with green backlight
  • ☀Transistor tester measures the gate and gate capacitance of the MOSFET threshold voltage
  • ☀Electronic component tester automaticly test the pin of a component, and display on the LCD
  • ☀This mega 328 tester can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage
  • ☀Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly.
  • One button operation, automatically detect and shutdown, and you can also press the multi-functional button to close the detector.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Can also be used to detect infrared wave forms.
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, etc.
  • ☀lcr t4 uses 12864 liquid crystal display with green backlight
  • Transistor tester measures the gate and gate capacitance of the MOSFET threshold voltage
  • ☀Electronic component tester automaticly test the pin of a component, and display on the LCD
  • ☀This mega 328 tester can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage
  • ☀Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components

More Info

Multifunction Meter DIY kit, kuman Mega 328 Graphic transistor Tester, NPN PNP Diodes Triode Capacitor ESR SCR MOSFET Resistor Inductance LCD Display Checker with case and screwdriver K77

Search only kuman brand name
Multifunction Meter DIY kit, kuman Mega 328 Graphic transistor Tester, NPN PNP Diodes Triode Capacitor ESR SCR MOSFET Resistor Inductance LCD Display Checker with case and screwdriver K77

Current price: 16.5 USD


Check price and availability


  • Auto power off function to avoid unnecessary waste, saving battery power, improved battery life
  • 128*64 big Backlight LCD display,only 2mA when stand by.
  • High test speed, valid component test: 2 seconds (except in the larger capacitor of large capacitance measurement also takes a long time, the measured time of one minute is normal)
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • Test ranges:Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube, ESR, Resistance, Adjustable potentiometer
  • One key operation, Auto Power Off(Timeout Settable). Can also press the multi-functional button to close the detector.
  • Measurement results represent by TFT graphic display(160x128). Support Chinese and English.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. ( Use 12864 liquid crystal display with green backlight).
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, resistor and capacitor and other components, etc.
  • ✔ AUTO SHUT-DOWN FUNCTION: Our advanced electronic transistor tester owns auto shut-down function. There is shutdown countdown displayed on the monitor and the shutdown countdown time can be extended to 40s.
  • ✔ BATTERY POWERED: This monitor is powered by DC9V battery (not included).
  • ✔ AUTOMATICAL IDENTIFICATION: DROK intelligent transistor checker is able to detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, thyristors, resistors, capacitors or other devices automatically.
  • ✔ LARGE & CLEAR LCD DIGITAL DISPLAY: This amazing detector adopts 1.8" TFT color LCD screen with high-resolution. Besides, different parameter is shown with different color, convenient and simple for you to check the parameter.
  • ✔ WIDE APPLICATION: This multifunctional capacitance meter can be used to test triode, field-effect tube(FET), diode, resistor, capacitor, inductor, MOS, SCR, which is available for various electric transistor testing.
  • Before measuring capacitance , the capacitor must be discharged ,otherwise likely damage the meter
  • Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube , ESR,
  • Resistance measurement resolution is 0.1 ohms , 50M ohms can be measured
  • Automatic test the pin of a component, and display on the LCD
  • LCD 12864 LCD display, with backlight , backlight color is generally yellow-green.How to adjust contrast brightness? Visit this link to watch video: https://youtu.be/wEnZgidk6lc
  • ☀lcr t4 uses 12864 liquid crystal display with green backlight
  • ☀Transistor tester measures the gate and gate capacitance of the MOSFET threshold voltage
  • ☀Electronic component tester automaticly test the pin of a component, and display on the LCD
  • ☀This mega 328 tester can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage
  • ☀Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly.
  • One button operation, automatically detect and shutdown, and you can also press the multi-functional button to close the detector.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Can also be used to detect infrared wave forms.
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, etc.
  • ☀lcr t4 uses 12864 liquid crystal display with green backlight
  • Transistor tester measures the gate and gate capacitance of the MOSFET threshold voltage
  • ☀Electronic component tester automaticly test the pin of a component, and display on the LCD
  • ☀This mega 328 tester can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage
  • ☀Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components
  • Package Content: 1 x Transistor Tester 1 x Acrylic shell 1 x screwdriver
  • With function of automatic power off, can save unnecessary time and battery capacity , Automatic test the pin element and the display on the 12864 LCD Display.
  • With function of automatic power off, can save unnecessary time and battery capacity , Automatic test the pin element and the display on the 12864 LCD Display.
  • Automatic detect NPN and PNP transistors, N-channel and P-channel MOSFET, diode (including dual diodes), transistors, resistors, capacitors, thyristors and other components.
  • Kuman graphic multifunction tester: resistor + capacitor + diode + SCR + inductance + Transistor + mos tube.

More Info

KKmoon Component tester -GM328, KKmoon esr meter Tester Diode Capacitor ESR Voltage Frequency Meter PWM Square Wave Signal Generator transistor tester , Precision ABS (red)

Search only KKmoon brand name
KKmoon Component tester -GM328, KKmoon esr meter Tester Diode Capacitor ESR Voltage Frequency Meter PWM Square Wave Signal Generator transistor tester , Precision ABS (red)

Current price: 26.99 USD


Check price and availability


Height: 1.2 Inches

Length: 3.1 Inches

Width: 3.1 Inches

  • Auto power off function to avoid unnecessary waste, saving battery power, improved battery life
  • 128*64 big Backlight LCD display,only 2mA when stand by.
  • High test speed, valid component test: 2 seconds (except in the larger capacitor of large capacitance measurement also takes a long time, the measured time of one minute is normal)
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • Test ranges:Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube, ESR, Resistance, Adjustable potentiometer
  • One key operation, Auto Power Off(Timeout Settable). Can also press the multi-functional button to close the detector.
  • Measurement results represent by TFT graphic display(160x128). Support Chinese and English.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. ( Use 12864 liquid crystal display with green backlight).
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, resistor and capacitor and other components, etc.
  • ✔ AUTO SHUT-DOWN FUNCTION: Our advanced electronic transistor tester owns auto shut-down function. There is shutdown countdown displayed on the monitor and the shutdown countdown time can be extended to 40s.
  • ✔ BATTERY POWERED: This monitor is powered by DC9V battery (not included).
  • ✔ AUTOMATICAL IDENTIFICATION: DROK intelligent transistor checker is able to detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, thyristors, resistors, capacitors or other devices automatically.
  • ✔ LARGE & CLEAR LCD DIGITAL DISPLAY: This amazing detector adopts 1.8" TFT color LCD screen with high-resolution. Besides, different parameter is shown with different color, convenient and simple for you to check the parameter.
  • ✔ WIDE APPLICATION: This multifunctional capacitance meter can be used to test triode, field-effect tube(FET), diode, resistor, capacitor, inductor, MOS, SCR, which is available for various electric transistor testing.
  • Before measuring capacitance , the capacitor must be discharged ,otherwise likely damage the meter
  • Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube , ESR,
  • Resistance measurement resolution is 0.1 ohms , 50M ohms can be measured
  • Automatic test the pin of a component, and display on the LCD
  • LCD 12864 LCD display, with backlight , backlight color is generally yellow-green.How to adjust contrast brightness? Visit this link to watch video: https://youtu.be/wEnZgidk6lc
  • ☀lcr t4 uses 12864 liquid crystal display with green backlight
  • ☀Transistor tester measures the gate and gate capacitance of the MOSFET threshold voltage
  • ☀Electronic component tester automaticly test the pin of a component, and display on the LCD
  • ☀This mega 328 tester can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage
  • ☀Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly.
  • One button operation, automatically detect and shutdown, and you can also press the multi-functional button to close the detector.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Can also be used to detect infrared wave forms.
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, etc.
  • ☀lcr t4 uses 12864 liquid crystal display with green backlight
  • Transistor tester measures the gate and gate capacitance of the MOSFET threshold voltage
  • ☀Electronic component tester automaticly test the pin of a component, and display on the LCD
  • ☀This mega 328 tester can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage
  • ☀Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components
  • Package Content: 1 x Transistor Tester 1 x Acrylic shell 1 x screwdriver
  • With function of automatic power off, can save unnecessary time and battery capacity , Automatic test the pin element and the display on the 12864 LCD Display.
  • With function of automatic power off, can save unnecessary time and battery capacity , Automatic test the pin element and the display on the 12864 LCD Display.
  • Automatic detect NPN and PNP transistors, N-channel and P-channel MOSFET, diode (including dual diodes), transistors, resistors, capacitors, thyristors and other components.
  • Kuman graphic multifunction tester: resistor + capacitor + diode + SCR + inductance + Transistor + mos tube.
  • For the following 2100Ω resistor while measuring its inductance measuring range from 0.01mH - 20H.Can be used as signal generator and frequency meter: frequency range from 1Hz-2MHz and can generate 1%-99% PWM(pulse width modulation) signals.
  • Measure FET gate threshold voltage and gate capacitance.Automatically test the pins of a component and show on the display.Digital LCD display for easy readings, can display measured data and graphics.
  • Support 2 resistors measurement, show its positive and negative, on-state voltage.Resistance measurement maximum resolution 0.01Ω, can be measured up to 50MΩ.
  • Automatically detects NPN and PNP transistors, FET, diodes, dual diode, thyristor, SCR, automatic identification of the transistor pinout.Test NPN and PNP transistor common-emitter current amplification factor, the base-emitter threshold voltage, off the collector - emitter leakage current.
  • Main chip is the DIP, easy for electronic enthusiasts to DIY or update the main chip.Use 9V battery(not included), can also use DC power(DC 6.8-12V).Automatic shutdown, shutdown current is only about 20nA.Rotary switch control, a key measurement for convenient use.

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QWORK LCR-T7 Multifunctional Transistor Tester,Colorful Display for Diode Triode Capacitance Meter LCR ESR Meter

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QWORK LCR-T7 Multifunctional Transistor Tester,Colorful Display for Diode Triode Capacitance Meter LCR ESR Meter

Current price: 20.99 USD


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  • Auto power off function to avoid unnecessary waste, saving battery power, improved battery life
  • 128*64 big Backlight LCD display,only 2mA when stand by.
  • High test speed, valid component test: 2 seconds (except in the larger capacitor of large capacitance measurement also takes a long time, the measured time of one minute is normal)
  • Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
  • Test ranges:Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube, ESR, Resistance, Adjustable potentiometer
  • One key operation, Auto Power Off(Timeout Settable). Can also press the multi-functional button to close the detector.
  • Measurement results represent by TFT graphic display(160x128). Support Chinese and English.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. ( Use 12864 liquid crystal display with green backlight).
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, resistor and capacitor and other components, etc.
  • ✔ AUTO SHUT-DOWN FUNCTION: Our advanced electronic transistor tester owns auto shut-down function. There is shutdown countdown displayed on the monitor and the shutdown countdown time can be extended to 40s.
  • ✔ BATTERY POWERED: This monitor is powered by DC9V battery (not included).
  • ✔ AUTOMATICAL IDENTIFICATION: DROK intelligent transistor checker is able to detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, thyristors, resistors, capacitors or other devices automatically.
  • ✔ LARGE & CLEAR LCD DIGITAL DISPLAY: This amazing detector adopts 1.8" TFT color LCD screen with high-resolution. Besides, different parameter is shown with different color, convenient and simple for you to check the parameter.
  • ✔ WIDE APPLICATION: This multifunctional capacitance meter can be used to test triode, field-effect tube(FET), diode, resistor, capacitor, inductor, MOS, SCR, which is available for various electric transistor testing.
  • Before measuring capacitance , the capacitor must be discharged ,otherwise likely damage the meter
  • Inductors, capacitors , diodes, dual diode , mos, transistor, SCR , the regulator, LED tube , ESR,
  • Resistance measurement resolution is 0.1 ohms , 50M ohms can be measured
  • Automatic test the pin of a component, and display on the LCD
  • LCD 12864 LCD display, with backlight , backlight color is generally yellow-green.How to adjust contrast brightness? Visit this link to watch video: https://youtu.be/wEnZgidk6lc
  • ☀lcr t4 uses 12864 liquid crystal display with green backlight
  • ☀Transistor tester measures the gate and gate capacitance of the MOSFET threshold voltage
  • ☀Electronic component tester automaticly test the pin of a component, and display on the LCD
  • ☀This mega 328 tester can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage
  • ☀Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components
  • Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly.
  • One button operation, automatically detect and shutdown, and you can also press the multi-functional button to close the detector.
  • After detection, align the infrared remote control with the "IR" light, then press the button in the remote control, if the detector successfully decode it, it will display the data code and infrared wave form.
  • Can also be used to detect infrared wave forms.
  • For detecting NPN and PNP transistor, capacitor, resistor, diode, triode, N-channel and P-channel MOSFET, IGBT, JFET, triac and battery, etc.
  • ☀lcr t4 uses 12864 liquid crystal display with green backlight
  • Transistor tester measures the gate and gate capacitance of the MOSFET threshold voltage
  • ☀Electronic component tester automaticly test the pin of a component, and display on the LCD
  • ☀This mega 328 tester can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage
  • ☀Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components
  • Package Content: 1 x Transistor Tester 1 x Acrylic shell 1 x screwdriver
  • With function of automatic power off, can save unnecessary time and battery capacity , Automatic test the pin element and the display on the 12864 LCD Display.
  • With function of automatic power off, can save unnecessary time and battery capacity , Automatic test the pin element and the display on the 12864 LCD Display.
  • Automatic detect NPN and PNP transistors, N-channel and P-channel MOSFET, diode (including dual diodes), transistors, resistors, capacitors, thyristors and other components.
  • Kuman graphic multifunction tester: resistor + capacitor + diode + SCR + inductance + Transistor + mos tube.
  • For the following 2100Ω resistor while measuring its inductance measuring range from 0.01mH - 20H.Can be used as signal generator and frequency meter: frequency range from 1Hz-2MHz and can generate 1%-99% PWM(pulse width modulation) signals.
  • Measure FET gate threshold voltage and gate capacitance.Automatically test the pins of a component and show on the display.Digital LCD display for easy readings, can display measured data and graphics.
  • Support 2 resistors measurement, show its positive and negative, on-state voltage.Resistance measurement maximum resolution 0.01Ω, can be measured up to 50MΩ.
  • Automatically detects NPN and PNP transistors, FET, diodes, dual diode, thyristor, SCR, automatic identification of the transistor pinout.Test NPN and PNP transistor common-emitter current amplification factor, the base-emitter threshold voltage, off the collector - emitter leakage current.
  • Main chip is the DIP, easy for electronic enthusiasts to DIY or update the main chip.Use 9V battery(not included), can also use DC power(DC 6.8-12V).Automatic shutdown, shutdown current is only about 20nA.Rotary switch control, a key measurement for convenient use.
  • About Charging: The charging input voltage is up to 6V, the red light is on to indicate that it is charging, and the green light is on to indicate that it has been completed
  • Infrared detection: After detection, align the infrared remote control with the "IR" light and press the button in infrared remote, if detection is successful, it will display data code and infrared wave form on the detector.
  • Easy Operation: Put the pins of component into corresponding areas, toggle the little handle, then the tester will test it automatically, and the consequence will be displayed on the TFT backlight screen clearly.
  • Automatic calibration: Short-circuit three test sockets, press the multi-function button, the instrument will automatically start calibration
  • Wide Applications: Suitable for detecting capacitor, resistor, diode, triode ,PNP and NPN transistor, N-channel and P-channel MOSFET,JFET, IGBT, battery and other components etc.

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