Viewing Alarms - AEMC Megohmmeters 6522 User Manual

Input impedance 400komh

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In each measurement mode, the third threshold can be replaced by a user-

defined value. To do this:

1. Press the ► button while the threshold value is displayed.

2. The > symbol starts blinking; you can change it to < by pressing the 

button. This symbol indicates the direction of the alarm threshold: < for a

low threshold and > for a high threshold.

3. To change the threshold setting, press the ► button to navigate to the

first digit, and then use the  button to change its value.

4. Use the ► and  buttons to select and change the other digits in the

threshold value, as well as the units of measurement.

5. When finished setting the threshold, press the ► button to validate the

setting.

2.1.2.3 Viewing Alarms

When the measurement is below a low alarm threshold or above a high alarm

threshold, the instrument emits a continuous audible signal and the LCD

indicates the threshold crossed:

When checking continuity, this enables you to determine whether or not the

continuity measurement is less than 2Ω simply by listening, without looking at the

display. You can similarly check insulation quality.

ALARM

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Megohmmeters 6524