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Temp
The IR temperature sensor measures surface temperature within a range of –20 to 200 °C. The tool
can be used for checking the transmission for overheating, and the temperature levels of the heater
and air conditioner. Figure 12 shows how to aim the EXP’s temperature sensor at a component you
are testing.
Ohm Meter
The meter is connected in parallel with the circuit under test and uses the power supplied by the EXP’s
internal batteries to detect open or excessive resistance.
CAUTION: Always remove power from the circuit before connecting the ohmeter to avoid damaging
the analyzer.
1. Connect the DMM test lead to the EXP’s accessories port.
2. Select the meter’s icon.
3. Connect the clamps or probes in the correct polarity: red clamp or probe to positive (+);
black to negative (–).
4. The meter will autorange and display the measurement.
5. When finished, press the END soft key.
6. To return to the METERS menu, press the END soft key.
Diode
This test measures the voltage drop across components, such as diodes.
1. Connect the probes test lead to the EXP’s accessories port.
2. Select the meter’s icon.
3. Connect the probes in the correct polarity: red clamp or probe to positive (+); black to
negative (–).
4. The meter will autorange and display the measurement.
5. When finished, press the END soft key.
Chapter 9: DMM (Digital Multimeter)