Best Current Sensors. Reviews November, 2020

SparkFun (PID 14544 Current Sensor Breakout - ACS723 (Low Current)

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SparkFun (PID 14544 Current Sensor Breakout - ACS723 (Low Current)

Current price: 24.62 USD


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Height: 1 Inches

Length: 2 Inches

Width: 2 Inches

Weight: 0.02 Pounds

  • Capable of 80KHz bandwidth. Fixed to 20KHz on board. JP1 can be closed to enable all 80KHz
  • Gain 2X to 22X
  • Measure both AC and DC currents from 10mA up to 5A
  • Hall Effect
  • ACS723 AC DC current sensor with OPA344 OpAmp

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CrocSee Miniature Current Switch, CS-TS0, Normally Open Amp Sensor Monitoring Relay, AC 1-50A Detectable

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CrocSee Miniature Current Switch, CS-TS0, Normally Open Amp Sensor Monitoring Relay, AC 1-50A Detectable

Current price: 19.99 USD


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  • Capable of 80KHz bandwidth. Fixed to 20KHz on board. JP1 can be closed to enable all 80KHz
  • Gain 2X to 22X
  • Measure both AC and DC currents from 10mA up to 5A
  • Hall Effect
  • ACS723 AC DC current sensor with OPA344 OpAmp
  • Ideal for use in HVAC Systems, Fans, Motors, Pumps, Refrigeration, BAS and other applications
  • Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms
  • Accurate & Dependable: Offers a sensing range of 1 to 50 amps and universal, solid-state outputs; Accuracy: 1%
  • Self-powered, no external power supply required
  • N.O. Universal Outputs: 2.5A @ 120 VAC/240VAC; In 240V circuit, only one 120V hot line is connected.

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NOYITO ACS712 Current Sensor Module Detector ACS712ELC 5A 20A 30A Amps Amperage Range (Pack of 2) (5A)

Search only NOYITO brand name
NOYITO ACS712 Current Sensor Module Detector ACS712ELC 5A 20A 30A Amps Amperage Range (Pack of 2) (5A)

Current price: 8.5 USD


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  • Capable of 80KHz bandwidth. Fixed to 20KHz on board. JP1 can be closed to enable all 80KHz
  • Gain 2X to 22X
  • Measure both AC and DC currents from 10mA up to 5A
  • Hall Effect
  • ACS723 AC DC current sensor with OPA344 OpAmp
  • Ideal for use in HVAC Systems, Fans, Motors, Pumps, Refrigeration, BAS and other applications
  • Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms
  • Accurate & Dependable: Offers a sensing range of 1 to 50 amps and universal, solid-state outputs; Accuracy: 1%
  • Self-powered, no external power supply required
  • N.O. Universal Outputs: 2.5A @ 120 VAC/240VAC; In 240V circuit, only one 120V hot line is connected.
  • PCB board size: 31 (mm) x13 (mm)[One package contains two products with the same parameters.];
  • No test current , the output voltage is VCC / 2;
  • The module can measure range 5 / 20 /30 amps, corresponding to the analog output 100mV / A;
  • Pin 5V power supply, on-board power indicator;
  • Current sensor chips: ACS712ELC-5A / ACS712ELC-20A / ACS712ELC-30A [There are three specifications for the product 5A / 20A /30A. You can choose the specifications according to your needs.];

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SCT-013-000 Non-invasive AC Current Sensor Split Core Transformer 100A

Search only CTYRZCH brand name
SCT-013-000 Non-invasive AC Current Sensor Split Core Transformer 100A

Current price: 15.57 USD

Saving: $5.43 (26%)


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  • Capable of 80KHz bandwidth. Fixed to 20KHz on board. JP1 can be closed to enable all 80KHz
  • Gain 2X to 22X
  • Measure both AC and DC currents from 10mA up to 5A
  • Hall Effect
  • ACS723 AC DC current sensor with OPA344 OpAmp
  • Ideal for use in HVAC Systems, Fans, Motors, Pumps, Refrigeration, BAS and other applications
  • Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms
  • Accurate & Dependable: Offers a sensing range of 1 to 50 amps and universal, solid-state outputs; Accuracy: 1%
  • Self-powered, no external power supply required
  • N.O. Universal Outputs: 2.5A @ 120 VAC/240VAC; In 240V circuit, only one 120V hot line is connected.
  • PCB board size: 31 (mm) x13 (mm)[One package contains two products with the same parameters.];
  • No test current , the output voltage is VCC / 2;
  • The module can measure range 5 / 20 /30 amps, corresponding to the analog output 100mV / A;
  • Pin 5V power supply, on-board power indicator;
  • Current sensor chips: ACS712ELC-5A / ACS712ELC-20A / ACS712ELC-30A [There are three specifications for the product 5A / 20A /30A. You can choose the specifications according to your needs.];
  • [Applications] - Used for current measurement, monitoring and protection of AC motors, lighting equipment, air compressors, etc.
  • [Ferrite Mechanical strength] - The number of opening and closing times is not less than 1000 (tested at 20℃)
  • Opening size: 13mm×13mm, fully compatible with most similar products; working temperature: -25℃~+70℃
  • Non-linearity ±3% (10%~120% rated input current), two output forms of current and voltage.
  • The lead length is 1.5 meters, the standard Φ3.5 three-core plug output

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HiLetgo Analog Current Meter Sensor Module AC 0~5A Ammeter Sensor Board Based on TA12-100 for Arduino

Search only HiLetgo brand name
HiLetgo Analog Current Meter Sensor Module AC 0~5A Ammeter Sensor Board Based on TA12-100 for Arduino

Current price: 6.99 USD


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  • Capable of 80KHz bandwidth. Fixed to 20KHz on board. JP1 can be closed to enable all 80KHz
  • Gain 2X to 22X
  • Measure both AC and DC currents from 10mA up to 5A
  • Hall Effect
  • ACS723 AC DC current sensor with OPA344 OpAmp
  • Ideal for use in HVAC Systems, Fans, Motors, Pumps, Refrigeration, BAS and other applications
  • Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms
  • Accurate & Dependable: Offers a sensing range of 1 to 50 amps and universal, solid-state outputs; Accuracy: 1%
  • Self-powered, no external power supply required
  • N.O. Universal Outputs: 2.5A @ 120 VAC/240VAC; In 240V circuit, only one 120V hot line is connected.
  • PCB board size: 31 (mm) x13 (mm)[One package contains two products with the same parameters.];
  • No test current , the output voltage is VCC / 2;
  • The module can measure range 5 / 20 /30 amps, corresponding to the analog output 100mV / A;
  • Pin 5V power supply, on-board power indicator;
  • Current sensor chips: ACS712ELC-5A / ACS712ELC-20A / ACS712ELC-30A [There are three specifications for the product 5A / 20A /30A. You can choose the specifications according to your needs.];
  • [Applications] - Used for current measurement, monitoring and protection of AC motors, lighting equipment, air compressors, etc.
  • [Ferrite Mechanical strength] - The number of opening and closing times is not less than 1000 (tested at 20℃)
  • Opening size: 13mm×13mm, fully compatible with most similar products; working temperature: -25℃~+70℃
  • Non-linearity ±3% (10%~120% rated input current), two output forms of current and voltage.
  • The lead length is 1.5 meters, the standard Φ3.5 three-core plug output
  • On-board 3P and 4P connecting interface for current signal output can be easily connected with your MCU development board
  • You can use jumpers to select the parallel output of the output to adjust the range of analog values that are output.
  • 3-wire electronic block interface, input 5V - GND. S pin is the output analog voltage value.
  • This electricity sensor is based on TA12-100 current transformer, which can transform AC signals of large current into small amplitude signals.
  • Analog Current Meter Module. Transformer can only sense AC

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HiLetgo 2pcs ACS712 30A Current Sensor Module 30A Range ACS712 Module

Search only HiLetgo brand name
HiLetgo 2pcs ACS712 30A Current Sensor Module 30A Range ACS712 Module

Current price: 7.19 USD


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  • Capable of 80KHz bandwidth. Fixed to 20KHz on board. JP1 can be closed to enable all 80KHz
  • Gain 2X to 22X
  • Measure both AC and DC currents from 10mA up to 5A
  • Hall Effect
  • ACS723 AC DC current sensor with OPA344 OpAmp
  • Ideal for use in HVAC Systems, Fans, Motors, Pumps, Refrigeration, BAS and other applications
  • Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms
  • Accurate & Dependable: Offers a sensing range of 1 to 50 amps and universal, solid-state outputs; Accuracy: 1%
  • Self-powered, no external power supply required
  • N.O. Universal Outputs: 2.5A @ 120 VAC/240VAC; In 240V circuit, only one 120V hot line is connected.
  • PCB board size: 31 (mm) x13 (mm)[One package contains two products with the same parameters.];
  • No test current , the output voltage is VCC / 2;
  • The module can measure range 5 / 20 /30 amps, corresponding to the analog output 100mV / A;
  • Pin 5V power supply, on-board power indicator;
  • Current sensor chips: ACS712ELC-5A / ACS712ELC-20A / ACS712ELC-30A [There are three specifications for the product 5A / 20A /30A. You can choose the specifications according to your needs.];
  • [Applications] - Used for current measurement, monitoring and protection of AC motors, lighting equipment, air compressors, etc.
  • [Ferrite Mechanical strength] - The number of opening and closing times is not less than 1000 (tested at 20℃)
  • Opening size: 13mm×13mm, fully compatible with most similar products; working temperature: -25℃~+70℃
  • Non-linearity ±3% (10%~120% rated input current), two output forms of current and voltage.
  • The lead length is 1.5 meters, the standard Φ3.5 three-core plug output
  • On-board 3P and 4P connecting interface for current signal output can be easily connected with your MCU development board
  • You can use jumpers to select the parallel output of the output to adjust the range of analog values that are output.
  • 3-wire electronic block interface, input 5V - GND. S pin is the output analog voltage value.
  • This electricity sensor is based on TA12-100 current transformer, which can transform AC signals of large current into small amplitude signals.
  • Analog Current Meter Module. Transformer can only sense AC
  • There is no the detection current through, the output voltage is VCC / 2
  • The module can measure the positive and negative 20 amps, corresponding to the analog output 100mV / A
  • Pin 5V power supply, on-board power indicator
  • Current sensor chip: ACS712ELC-30A

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DAOKI 5PCS 30A Range Current Sensor Module ACS712 Module for Arduino

Search only DAOKI brand name
DAOKI 5PCS 30A Range Current Sensor Module ACS712 Module for Arduino

Current price: 13.79 USD

Saving: $1.50 (10%)


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Height: 0.8 Inches

Length: 4.4 Inches

Width: 2.8 Inches

  • Capable of 80KHz bandwidth. Fixed to 20KHz on board. JP1 can be closed to enable all 80KHz
  • Gain 2X to 22X
  • Measure both AC and DC currents from 10mA up to 5A
  • Hall Effect
  • ACS723 AC DC current sensor with OPA344 OpAmp
  • Ideal for use in HVAC Systems, Fans, Motors, Pumps, Refrigeration, BAS and other applications
  • Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms
  • Accurate & Dependable: Offers a sensing range of 1 to 50 amps and universal, solid-state outputs; Accuracy: 1%
  • Self-powered, no external power supply required
  • N.O. Universal Outputs: 2.5A @ 120 VAC/240VAC; In 240V circuit, only one 120V hot line is connected.
  • PCB board size: 31 (mm) x13 (mm)[One package contains two products with the same parameters.];
  • No test current , the output voltage is VCC / 2;
  • The module can measure range 5 / 20 /30 amps, corresponding to the analog output 100mV / A;
  • Pin 5V power supply, on-board power indicator;
  • Current sensor chips: ACS712ELC-5A / ACS712ELC-20A / ACS712ELC-30A [There are three specifications for the product 5A / 20A /30A. You can choose the specifications according to your needs.];
  • [Applications] - Used for current measurement, monitoring and protection of AC motors, lighting equipment, air compressors, etc.
  • [Ferrite Mechanical strength] - The number of opening and closing times is not less than 1000 (tested at 20℃)
  • Opening size: 13mm×13mm, fully compatible with most similar products; working temperature: -25℃~+70℃
  • Non-linearity ±3% (10%~120% rated input current), two output forms of current and voltage.
  • The lead length is 1.5 meters, the standard Φ3.5 three-core plug output
  • On-board 3P and 4P connecting interface for current signal output can be easily connected with your MCU development board
  • You can use jumpers to select the parallel output of the output to adjust the range of analog values that are output.
  • 3-wire electronic block interface, input 5V - GND. S pin is the output analog voltage value.
  • This electricity sensor is based on TA12-100 current transformer, which can transform AC signals of large current into small amplitude signals.
  • Analog Current Meter Module. Transformer can only sense AC
  • There is no the detection current through, the output voltage is VCC / 2
  • The module can measure the positive and negative 20 amps, corresponding to the analog output 100mV / A
  • Pin 5V power supply, on-board power indicator
  • Current sensor chip: ACS712ELC-30A
  • Technology service NOT available.
  • Most of Modules offer only instructions and specifications.
  • Wholesale item !
  • Details see description

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Current Transformer, DROK 100A 100mA AC Current Sensor, Split Core Amp Transformer Sensing Relay, Mini Clip-on Easy to Install CT Without Power Off

Search only DROK brand name
Current Transformer, DROK 100A 100mA AC Current Sensor, Split Core Amp Transformer Sensing Relay, Mini Clip-on Easy to Install CT Without Power Off

Current price: 12.99 USD


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Weight: 0.15 Pounds

  • Capable of 80KHz bandwidth. Fixed to 20KHz on board. JP1 can be closed to enable all 80KHz
  • Gain 2X to 22X
  • Measure both AC and DC currents from 10mA up to 5A
  • Hall Effect
  • ACS723 AC DC current sensor with OPA344 OpAmp
  • Ideal for use in HVAC Systems, Fans, Motors, Pumps, Refrigeration, BAS and other applications
  • Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms
  • Accurate & Dependable: Offers a sensing range of 1 to 50 amps and universal, solid-state outputs; Accuracy: 1%
  • Self-powered, no external power supply required
  • N.O. Universal Outputs: 2.5A @ 120 VAC/240VAC; In 240V circuit, only one 120V hot line is connected.
  • PCB board size: 31 (mm) x13 (mm)[One package contains two products with the same parameters.];
  • No test current , the output voltage is VCC / 2;
  • The module can measure range 5 / 20 /30 amps, corresponding to the analog output 100mV / A;
  • Pin 5V power supply, on-board power indicator;
  • Current sensor chips: ACS712ELC-5A / ACS712ELC-20A / ACS712ELC-30A [There are three specifications for the product 5A / 20A /30A. You can choose the specifications according to your needs.];
  • [Applications] - Used for current measurement, monitoring and protection of AC motors, lighting equipment, air compressors, etc.
  • [Ferrite Mechanical strength] - The number of opening and closing times is not less than 1000 (tested at 20℃)
  • Opening size: 13mm×13mm, fully compatible with most similar products; working temperature: -25℃~+70℃
  • Non-linearity ±3% (10%~120% rated input current), two output forms of current and voltage.
  • The lead length is 1.5 meters, the standard Φ3.5 three-core plug output
  • On-board 3P and 4P connecting interface for current signal output can be easily connected with your MCU development board
  • You can use jumpers to select the parallel output of the output to adjust the range of analog values that are output.
  • 3-wire electronic block interface, input 5V - GND. S pin is the output analog voltage value.
  • This electricity sensor is based on TA12-100 current transformer, which can transform AC signals of large current into small amplitude signals.
  • Analog Current Meter Module. Transformer can only sense AC
  • There is no the detection current through, the output voltage is VCC / 2
  • The module can measure the positive and negative 20 amps, corresponding to the analog output 100mV / A
  • Pin 5V power supply, on-board power indicator
  • Current sensor chip: ACS712ELC-30A
  • Technology service NOT available.
  • Most of Modules offer only instructions and specifications.
  • Wholesale item !
  • Details see description
  • Fully enclosed CT, good mechanical properties and environmental resistance, strong voltage isolation capability, safety and reliability.
  • The amp transformer is with Built-in input coil; small and light, easy to install.
  • Our ac sensing relay using snap joint structure, it can be fixed to the cable directly through nylon ties.
  • The diameter of inner hole is 16mm, the accuracy is ≤0.5 grade,
  • This is a mini split base current transformer; it’s the smallest one compared to the similar products (output 100MA).

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NOYITO MAX471 Current Sensor Module Current Detection Current Measurement Module 0-3A Range (Pack of 2)

Search only NOYITO brand name
NOYITO MAX471 Current Sensor Module Current Detection Current Measurement Module 0-3A Range (Pack of 2)

Current price: 9.5 USD


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  • Capable of 80KHz bandwidth. Fixed to 20KHz on board. JP1 can be closed to enable all 80KHz
  • Gain 2X to 22X
  • Measure both AC and DC currents from 10mA up to 5A
  • Hall Effect
  • ACS723 AC DC current sensor with OPA344 OpAmp
  • Ideal for use in HVAC Systems, Fans, Motors, Pumps, Refrigeration, BAS and other applications
  • Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms
  • Accurate & Dependable: Offers a sensing range of 1 to 50 amps and universal, solid-state outputs; Accuracy: 1%
  • Self-powered, no external power supply required
  • N.O. Universal Outputs: 2.5A @ 120 VAC/240VAC; In 240V circuit, only one 120V hot line is connected.
  • PCB board size: 31 (mm) x13 (mm)[One package contains two products with the same parameters.];
  • No test current , the output voltage is VCC / 2;
  • The module can measure range 5 / 20 /30 amps, corresponding to the analog output 100mV / A;
  • Pin 5V power supply, on-board power indicator;
  • Current sensor chips: ACS712ELC-5A / ACS712ELC-20A / ACS712ELC-30A [There are three specifications for the product 5A / 20A /30A. You can choose the specifications according to your needs.];
  • [Applications] - Used for current measurement, monitoring and protection of AC motors, lighting equipment, air compressors, etc.
  • [Ferrite Mechanical strength] - The number of opening and closing times is not less than 1000 (tested at 20℃)
  • Opening size: 13mm×13mm, fully compatible with most similar products; working temperature: -25℃~+70℃
  • Non-linearity ±3% (10%~120% rated input current), two output forms of current and voltage.
  • The lead length is 1.5 meters, the standard Φ3.5 three-core plug output
  • On-board 3P and 4P connecting interface for current signal output can be easily connected with your MCU development board
  • You can use jumpers to select the parallel output of the output to adjust the range of analog values that are output.
  • 3-wire electronic block interface, input 5V - GND. S pin is the output analog voltage value.
  • This electricity sensor is based on TA12-100 current transformer, which can transform AC signals of large current into small amplitude signals.
  • Analog Current Meter Module. Transformer can only sense AC
  • There is no the detection current through, the output voltage is VCC / 2
  • The module can measure the positive and negative 20 amps, corresponding to the analog output 100mV / A
  • Pin 5V power supply, on-board power indicator
  • Current sensor chip: ACS712ELC-30A
  • Technology service NOT available.
  • Most of Modules offer only instructions and specifications.
  • Wholesale item !
  • Details see description
  • Fully enclosed CT, good mechanical properties and environmental resistance, strong voltage isolation capability, safety and reliability.
  • The amp transformer is with Built-in input coil; small and light, easy to install.
  • Our ac sensing relay using snap joint structure, it can be fixed to the cable directly through nylon ties.
  • The diameter of inner hole is 16mm, the accuracy is ≤0.5 grade,
  • This is a mini split base current transformer; it’s the smallest one compared to the similar products (output 100MA).
  • NOYITO MAX471 Current Sensor Module User Manual Download Link:https://www.amazon.com/clouddrive/share/hNMOJoh5ZbZUj9NCcpYMunrD9HYuxP5dfnq9S9Gc8dD
  • Normal operating temperature range, accuracy 2%. The working voltage range is DC3-36V, and the maximum current is 100μA.
  • The module contains a precision detection resistor, and the detection capability is 0-3A. When used in parallel, the ability to detect current can also be improved. The output terminal is a voltage value proportional to the current (Current-voltage conversion ratio 1V/1A: that is, the output voltage value is 1V, which means that the detected current value is 1A, 1.5V/1.5A, 2V /2A....).
  • The module does not require an external power supply. The module directly uses the detected power supply to supply power. It is generally used in the current detection of circuits with a working power supply of DC3-36V.
  • This module uses the high-precision current detection amplifier chip MAX471.

More Info

WayinTop 2pcs ACS712 Hall Effect Current Sensor Module 30A Range ACS712 Module + 2pcs Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor for Arduino

Search only WayinTop brand name
WayinTop 2pcs ACS712 Hall Effect Current Sensor Module 30A Range ACS712 Module + 2pcs Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor for Arduino

Current price: 10.99 USD


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Height: 0.787401574 Inches

Length: 6.299212592 Inches

Width: 3.93700787 Inches

  • Capable of 80KHz bandwidth. Fixed to 20KHz on board. JP1 can be closed to enable all 80KHz
  • Gain 2X to 22X
  • Measure both AC and DC currents from 10mA up to 5A
  • Hall Effect
  • ACS723 AC DC current sensor with OPA344 OpAmp
  • Ideal for use in HVAC Systems, Fans, Motors, Pumps, Refrigeration, BAS and other applications
  • Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms
  • Accurate & Dependable: Offers a sensing range of 1 to 50 amps and universal, solid-state outputs; Accuracy: 1%
  • Self-powered, no external power supply required
  • N.O. Universal Outputs: 2.5A @ 120 VAC/240VAC; In 240V circuit, only one 120V hot line is connected.
  • PCB board size: 31 (mm) x13 (mm)[One package contains two products with the same parameters.];
  • No test current , the output voltage is VCC / 2;
  • The module can measure range 5 / 20 /30 amps, corresponding to the analog output 100mV / A;
  • Pin 5V power supply, on-board power indicator;
  • Current sensor chips: ACS712ELC-5A / ACS712ELC-20A / ACS712ELC-30A [There are three specifications for the product 5A / 20A /30A. You can choose the specifications according to your needs.];
  • [Applications] - Used for current measurement, monitoring and protection of AC motors, lighting equipment, air compressors, etc.
  • [Ferrite Mechanical strength] - The number of opening and closing times is not less than 1000 (tested at 20℃)
  • Opening size: 13mm×13mm, fully compatible with most similar products; working temperature: -25℃~+70℃
  • Non-linearity ±3% (10%~120% rated input current), two output forms of current and voltage.
  • The lead length is 1.5 meters, the standard Φ3.5 three-core plug output
  • On-board 3P and 4P connecting interface for current signal output can be easily connected with your MCU development board
  • You can use jumpers to select the parallel output of the output to adjust the range of analog values that are output.
  • 3-wire electronic block interface, input 5V - GND. S pin is the output analog voltage value.
  • This electricity sensor is based on TA12-100 current transformer, which can transform AC signals of large current into small amplitude signals.
  • Analog Current Meter Module. Transformer can only sense AC
  • There is no the detection current through, the output voltage is VCC / 2
  • The module can measure the positive and negative 20 amps, corresponding to the analog output 100mV / A
  • Pin 5V power supply, on-board power indicator
  • Current sensor chip: ACS712ELC-30A
  • Technology service NOT available.
  • Most of Modules offer only instructions and specifications.
  • Wholesale item !
  • Details see description
  • Fully enclosed CT, good mechanical properties and environmental resistance, strong voltage isolation capability, safety and reliability.
  • The amp transformer is with Built-in input coil; small and light, easy to install.
  • Our ac sensing relay using snap joint structure, it can be fixed to the cable directly through nylon ties.
  • The diameter of inner hole is 16mm, the accuracy is ≤0.5 grade,
  • This is a mini split base current transformer; it’s the smallest one compared to the similar products (output 100MA).
  • NOYITO MAX471 Current Sensor Module User Manual Download Link:https://www.amazon.com/clouddrive/share/hNMOJoh5ZbZUj9NCcpYMunrD9HYuxP5dfnq9S9Gc8dD
  • Normal operating temperature range, accuracy 2%. The working voltage range is DC3-36V, and the maximum current is 100μA.
  • The module contains a precision detection resistor, and the detection capability is 0-3A. When used in parallel, the ability to detect current can also be improved. The output terminal is a voltage value proportional to the current (Current-voltage conversion ratio 1V/1A: that is, the output voltage value is 1V, which means that the detected current value is 1A, 1.5V/1.5A, 2V /2A....).
  • The module does not require an external power supply. The module directly uses the detected power supply to supply power. It is generally used in the current detection of circuits with a working power supply of DC3-36V.
  • This module uses the high-precision current detection amplifier chip MAX471.
  • 【Package Included】2 x ACS712 Hall Effect Current Sensor Module + 2 x Voltage Sensor Module DC0-25V Voltage Tester Terminal Sensor
  • 【Voltage Sensor Module】Voltage input range: DC0-25V; Voltage detection range: DC0.02445V-25V; Voltage Analog Resolution: 0.00489V; DC input connector: Terminal cathode connected to VCC, GND negative pole; Output interface: "+" then 5/3.3V, "-" then GND, "s" then the for Arduino AD pins.
  • 【Current Sensor Module】Chip: ACS712ELC-30A; Pin 5V power supply, on-board power indicator; The module can measure positive and negative current of 30 amperes, corresponding to analog output of 66mV/A.
  • 【Perfect Combination】Using this product can measure both voltage and current, very suitable for DIY electronic design projects.

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