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In-circuit testing, made possible by using
Auto-ranging to cover 0.01-99Ω
Non-polarized test leads due to no DC component in the test signal
Single pushbutton to easily control all functions
Test lead resistance zeroing
Automatic switch-off after three minutes when the meter is idle
Low battery voltage warning - "b" blinks on the display
Chart of typical electrolytic capacitor For ESR figures on the front panel
Specification:
Main control chip:M-S-P430F413
Power supply: 9V battery (battery not included)
Operating current: Only 6mA
Size: Approx. 13.5 x 7 x 2.5cm ( L * W * H)
Short the two test leads first, and then turn on it. The mtere will auto zero, you can use it to test the capacitor, in circuit or not in circuit.
The measured data result is compared with the (equivalent series resistance) value of the standard capacitor,
If the measured value is much larger than the standard value; for example, 8 times, it means that the capacitor is aging and needs to be replaced. If it is much smaller than the standard value, there is likely to be a leakage phenomenon. The above measurements can be measured in the circuit.
