Current & Volatage Sensor

LC 5A 12V Overcurrent Protection AC Current Detection Sensor Module uses a current transformer to collect the AC signal to achieve the relay over-current signal output within 0-5A. Relay pull while over-current, relay released while not over-current. Users can use the relay COM; NC, NO three ports to control the external circuit on and off, in order to achieve over-current protection.

It has Onboard sampling resistor and precision micro current transformer do accurate sampling for the signal and appropriate compensation, and other functions. The module can measure within 5A current communication, corresponding to output analog quantity can be adjusted.

ACS712 Current Sensor Module - 20A can sense upto 20A of current flow. Sensing and controlling the current flow is a fundamental requirement in wide variety of applications, which includes over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc.

ACS712 Current Sensor Module - 30A can sense upto 30A of current flow. Sensing and controlling the current flow is a fundamental requirement in wide variety of applications, which includes over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. ACS712 Current Sensor Module - 30A is based on ACS712 sensor, which can accurately detect AC or DC current. The maximum AC or DC that can be detected can reach 30A, and the present current signal can be read via analog I / O port of a microcontroller or an Arduino.

CJMCU-219 is a module with the I2C interface of zero drift and bi-directional current/power monitoring and control integrated circuit (IC). INA219 has the industry's highest precision and the small size, not only can monitor the pressure drop on the shunt resistor, sensing shunt power supply voltage, at the same time also can calculate the power. This breakout board will solve all your power-monitoring problems. Instead of struggling with two multimeters, you can just use the handy INA219B chip on this breakout to both measures both the high side voltage and DC current draw over I2C with 1% precision. The device adopts the SOT23 packaging, but for the server, notebook computer, power supply, battery management and digital electric vehicle and telecommunication equipment measuring flu provide a small low-cost solution. A precision amplifier measures the voltage across the 0.1, 1% sense resistor. Since the amplifier maximum input difference is 320mV this means it can measure up to 3.2 Amps. With the internal 12 bit ADC, the resolution at 3.2A range is 0.8mA. With the internal gain set at the minimum of div8, the max current is 400mA and the resolution is 0.1mA. Advanced hackers can remove the 0.1-ohm current sense resistor and replace it with their own to change the range (say a 0.01 ohm to measure up 32 Amps with a resolution of 8mA) INA219-40 c to + 85 c temperature range and can realize the maximum error of 1% accuracy, a maximum offset of 100 V. The advantage of the high precision of the product in combination with 12 resolution, can help clients as much as possible, reduce the pressure drop on the shunt resistor, which can minimize the power loss and power consumption, and saving board space. The device epic of 26 bus voltage range of 0 V to + V.

This module can be used to test the current and voltage. The principle of voltage test based on the principle of resistive voltage divider design can make the red terminal connector input voltage to 5 times smaller for Arduino analog input voltages up to 5 v, the voltage detection module input voltage not greater than 5Vx5=25V (if using 3.3V systems, input voltage not greater than 3.3Vx5=16.5V).

The FrSky’s Smart Port Current Sensor-150A is a current measuring sensor for applications drawing up to 150 amps! A simple setup of the FCS-150A means you just run your positive ESC battery lead through the sensor loop and complete some basic setup through the FrSky Servo Channel Changer. The PCB of the FCS-150A has an extra port to allow you to daisy chain it together with other Smart Port Telemetry sensors.

The LA 25-NP from LEM is a current transducer. It features instantaneous output, excellent accuracy, very good linearity, low-temperature drift, optimized response time, wide frequency bandwidth, no insertion losses, high immunity to external interference, and current overload capability. This current transducer is used for the electronic measurement of currents (DC, AC, pulsed, mixed) with galvanic separation between the primary circuit and the secondary circuit. It is mainly used in AC variable speed drives and servo motor drives, static converters for DC motor drives, battery-supplied applications, Uninterruptible Power Supplies (UPS), Switched Mode Power Supplies (SMPS), and power supplies for welding applications.