Can I caibrate 685 amp clamp?
My 685 clamp is a awesome tool for parasitic drain. Lately it's been way off. The meter either requires calibration or maybe its just too old. I replaced battery and tried zeroing out unit. It's just not reading accurately,. Any advice before I purchase new on
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Open Apr 06, 2020 - 07:26 AM
1answer
Answer
Apr 06, 2020 - 09:56 AM
It can be calibrated. You can either send it in to ESI or attempt to do it yourself.
An email has been sent with a diagram.
Source: SA
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Current Probe / DMM w/ Freq.
Use the #685 all purpose electrical testing: fuel injection systems, fuel pumps, charging systems, electric motors, and most parasitic drains.
The #685 measures Hz, Duty Cycle, Capacitance, Diode Test and is auto-ranging on AC/DC Volts with nine test ranges.
Capable of measuring as low as ...
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