Review on OTC 3820 06 Low Amp Probe by Matthew Augustin
Not suitable for measuring low currents
I bought this device to solve a problem that was causing my car battery to drain. The meter was found to be inaccurate below a few hundred mA as readings fluctuated by as much as 70mA depending on the physical orientation of the sensor. It appears to be influenced by the Earth's magnetic field. I haven't had this problem with the sensors I've used at work, so I suspect it's due to inadequate shielding.
- Tools and equipment
- Not sure
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