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Caution, O . l – HT instruments HT327 User Manual

Page 13

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HT327

EN - 12

4.3.5. Resistance

measurement and Continuity Test

CAUTION

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

/

2. Insert the test leads into the jack, the red plug into V

Hz

A jack and black plug

into COM jack

3. Connect the test leads to the circuit under test (see Fig. 6). The resistance value is

displayed

4. Pressing the R/SEL key to select the correct range or using the Autorange feature (see

§ 4.2). If the resistance value under test is unknown, select the highest range.

5. If the message "

O.L

" is displayed a higher range must be selected.

6. For continuity test press the R/SEL key until the symbol “

” is displayed and use the

test leads in the same way of resistance measurement. The buzzer is on for resistance
values <35

.

7. For HOLD function, Minimum and Maximum value measurement and Relative measure

please refer to § 4.2.