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Iso-Tech IDM99II Instruction Manual page 29

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3-7 Hz / RPM Measurement
1. Connect the red test lead to the "°C°FVΩHz" terminal and the other (black) test lead to the "COM" terminal.
2. Set the rotary function selector to "Hz RPM" position to measure the frequency or RPM.
3. Connect the test leads to the circuit to be measured.
3-8 Capacitance Measurement
1. Connect the red test lead to the "°C°FVΩHz" terminal and the other (black) test lead to the "COM" terminal.
2. Set the rotary function selector to " " position to measure capacitance.
3. Connect the test leads to the circuit to be measured.
4. In order to ensure the best accuracy in measurement of low capacitance, null the stray capacitance of the open-
circuited test leads by pressing the REL key.
3-9 Temperature
1. Connect the "+" of the ADAPTOR to the "°C°FVΩHz" terminal and "—" of the ADAPTOR to the "COM"
terminal .
2. Combine the sensor with the adaptor.
3. Set the rotary function selector to "°C " or "°F" position to measure temperature value.
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