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Current Sensor Module Board, +/-50Amp +/-100Amp +/-150Amp selectable, Panel Mount Version.
Features：
The item of current sensor module provides economical and precise solutions for AC or DC current sensing. Typical applications include motor control, load detection and management, power supply and DC-to-DC converter control, inverter control, and overcurrent fault detection.
Output voltage proportional to AC or DC currents.
FR-4 fiber glass PCB, dual copper layers.
100% new, never used.
Electrical Parameters:
Load Maximum Current: +/-50Amp, +/-100Amp and +/-150Amp selectable.
Load Frequency Bandwidth: DC ~ 120 kHz.
Isolation Voltage: 4800V AC.
Operating Voltage: Regulated 5VDC, or 8 ~ 35VDC.
Operating Current: 20mA(max).
Specification: https://images-na.ssl-images-amazon.com/images/I/81fxkdlqZML.pdf
John Tennant
Reviewed in the United States on July 5, 2020
Satisfactory
AkkerKid
Reviewed in the United States on July 26, 2020
I used this to measure current into and out of a large battery. It seems to work well enough but the output is not stable enough for my purposes. The "zero" with nothing connected could be off by 0.3A in either direction based most likely on temperature. That's with using either the built-in voltage regulator or an external SMPS regulator providing the 5v. If the last 0.3A of accuracy doesn't matter to you, it's probably fine for your application in that regard. I may try to adjust for the drifting zero by also measuring temperature.
Andrew
Reviewed in the United States on January 3, 2020
Using this to read a small DC motor only like 5ish amps so the readings are pretty tiny and hard to work with, also this sits at around 2.5v with 0 Amp load and climbs up from there which I find odd but it still works haven't made it past the prototyping stage yet but will update if anything changes in the final product
M. Lee
Reviewed in the United States on January 14, 2020
Working on a solar power system with two strings of batteries and multiple strings of solar panels. The board was perfect for monitoring current in and out of the two battery banks and the charge current levels from each group of solar panels. Next it will monitor AC current on the inverter outputs. I bought 2, then 3 more, then 4 more.
Christopher Gerard
Reviewed in the United States on December 25, 2019
I would have given this 5 stars, but the first one I ordered had a blob of sod on one of the terminals. The company exchanged it without question and the new one was good, but this delayed my project by a week.
CrystalGuy
Reviewed in the United States on November 7, 2019
This unit is used to monitor the LIFePO3 battery charge/discharge in my RV. The power pin is connected to an Arduino output so it can be turned off and on, and the analog output is connected to an Arduino analog input. The Arduino wakes up from sleep once per second, turns on the sensor, takes a reading and keeps track of accumulated amp-hours in or out of the battery. The Arduino also has a display that can be activated by push button to show the battery voltage, and accumulated charge since the last reset ( power off/ power on) of the Arduino.
Michael Dion
Reviewed in the United States on August 1, 2018
No instructions
Rob J.
Reviewed in the United States on February 23, 2017
Worked well for measuring the current into a brushless DC multirotor motor. Had to add a simple cap and resistor low pass filter in order for my arduino to read a usable value.
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