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7.
Maintenance
If the product is in the warranty period and used correctly, and at the same time the malfunction
is caused by the flaws of product itself and have not been disassemble, the company will give free
repair to the product.
Clamp: Please keep the clamp clean. After long time use, please use soft cloth together with alcohol
to erase the dirt. Please keep the clamp away from damp environment, not to mention direction
contact with water.
Handle: Please use clean cloth or sponge to clean the handle. Please use little alcohol instead of water
to erase the dirt and parch it.
To maintain the performance of the product, there can be one check or calibration every year.
8.
Troubleshoot
Problem
Reason
Treatment
No output signal or
amplitude is low
Power is off
Turn on the power.
Oscilloscope is AC mode
Please set it to DC
mode
Clamp isn’t closed
Check the clamp, close
it completely.
Power indicator is off
when the probe is on.
Battery voltage is lower
than 6.5V
Change the battery
Amplitude is half
The input impedance is 50Ω
Set it to 1MΩ
