AEMC 5050 - Blocking (Disabling) Test Voltages

22 Megohmmeter Models 5050/5060
2.5.13 Blocking (Disabling) Test Voltages
Thisfunctionpreventsinsulationmeasurementsfrombeingcarriedoutatselected
testvoltages.Thismakesitpossibletousetheinstrumentforspecicapplications
andavoidimpropervoltages.
To set the maximum variable test voltage:
• TurntherotaryswitchtoSET-UP
• Pressthe buttonseven times
-“1000V” appearsinthesmalldisplay
-“OFF”appears(ashing)inthemaindisplay
• Pressthe buttontotoggletothemaximumtestvoltage
 (“1000V”willnowbeashing)
• Toincreasethevoltage,pressthe button
 Todecreasethevoltage,presstheyellow button,thenthe button
• Aftersettingthemaximumtestvoltage,togglebackto“OFF”bypressing
the button
• Pressthe buttontoturn“ON”
Example: By choosing ON and a test voltage limit of 750V, the measurement will be
performed at 500V for the 500V switch position on the rotary switch, and at 750V for
all the other positions on the rotary switch (LIM will appear for 3 seconds on the main
display).
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