User's Manual

9 EX540 V1.0 2/09
TEMPERATURE MEASUREMENTS
1. Set the function switch to the Temp position.
2. Insert the Temperature Probe into the input jacks, making sure to
observe the correct polarity.
3. Press the MODE button to indicate “ºF” or “ºC”
4. Touch the Temperature Probe head to the part whose temperature
you wish to measure. Keep the probe touching the part under test
until the reading stabilizes (about 30 seconds).
5. Read the temperature in the display.
Note: The temperature probe is fitted with a type K mini connector. A mini connector to
banana connector adaptor is supplied for connection to the input banana jacks.
FREQUENCY (DUTY CYCLE) MEASUREMENTS (ELECTRONIC)
1. Set the rotary function switch to the Hz/% position.
2. Insert the black lead banana plug into the negative COM jack and the red test lead
banana plug into the positive Hz jack.
3. Touch the test probe tips to the circuit under test.
4. Read the frequency on the display.
5. Press the MODE button to indicate “%”.
6. Read the % duty cycle in the display.