Operation; Ac/Dc Voltage And Insulation Measurement - AEMC 1035 User Manual

4.1

Operation

Turn the rotary switch to the measurement to be performed. Connect the
instrument to the sample to be tested. The units and the range are auto-
matically selected for the best reading.
The megohmmeter may be shut down manually by turning the switch to
OFF. Otherwise, the instrument will shut down automatically after 5 min-
utes of no action by the user.
NOTE: The user can control the backlighting as required by pressing the
button.
4.2

AC/DC Voltage and Insulation Measurement

• Turn the megohmmeter ON by setting the range switch to the appropri-
ate MΩ - Voltage range.
• Connect the lead from the "+" terminal to the ground/earth point and
the lead of the " -" terminal lead (or remote control probe) to the other
test point.
• Before the yellow test button is pressed, the instrument operates as a
voltmeter (safety check) to ensure that there is no dangerous voltage
at the sample.
• Press the yellow test button. Keep it pressed down until the measure-
ment is displayed, or as long as needed. If released, the insulation
test will stop. The yellow button on the remote control probe works the
same way as the yellow test button on the megohmmeter.
• To measure high insulation values (> 1GΩ), you are advised to use
the "G" guard terminal to remove the influence of superficial leak cur-
rents and a hands free carrying case. In this case, it is preferable to
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Digital Analog Megohmmeter Models 1035/1039
CHAPTER 4
OPERATION
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