Resistance Measurement And Continuity Test - Tenmars TM-87 User Manual

4.3.5. Resistance measurement and Continuity Test

Before taking resistance measurements on the circuit remove power from
the circuit being tested and discharge all capacitors.
Fig. 6: Using the instrument for Resistance measurement and Continuity test
1. Selecting the position Ω
2. Insert the test leads into the jack, the red plug into
COM jack (see Fig. 6).
3. Connect the test leads to the circuit under test. The resistance value is displayed.
4. Pressing the R/SEL key to select the correct range or using the Autorange feature (see
paragraph 4.2.4). If the resistance value under test is unknown, select the highest
range.
5. If the message "
6. The continuity test is always active and the test is performed using the test leads in the
same way of resistance measurement. The buzzer is on for resistance values <35Ω.
7. For HOLD function, Minimum and Maximum value measurement and Relative measure
please refer to paragraph 4.2.
.
O.L
" is displayed a higher range must be selected.
CAUTION
HzVΩµA jack and black plug into
13
TM-87/TM-88