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Iso-Tech IDM97II Instruction Manual page 22

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3-4 Resistance Measurement
1. Connect the red test lead to the "VΩHz" terminal and the other (black) test lead to the "COM" terminal.
2. Set the rotary function selector to "Ω" position to measure the resistance.
3. For correct reading, ensure that the device being tested is not live.
4. Connect the test leads across the resistor to be measured. In order to ensure the best accuracy in measure-
ment of low resistance, short the test leads before measurement and note the test probe resistance, then
subtract this value from subsequent circuit resistance measurements.
3-5 Continuity Check by Buzzer
1. Connect the red test lead to the "VΩHz" terminal and the other (black) test lead to the "COM" terminal.
2. Set the rotary function selector to "Ω
3. Connect the test leads to the circuit to be measured. The buzzer will sound if the resistance of the circuit
measured is lower than 30Ω approximately.
" position.
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