User Manual v16.4 Warm-up time
The calibrator works after switched and the initial checks complete.
The manufacturer not liable for the damage caused modification the construction replacement parts
with non-original ones. The design reflects the
requirements amendment the standard. This value valid until the user changes it.
2.
2.________________________________________ M191 Insulation Tester Calibrator
Earth grounding
Fig. Rear panel connection
Note.r. During this period, theinstrumentshould not be
calibrated however enables full access calibration memory.Function HVR High resistance source
Nominal resistance value 100 MQ
Output terminals OFF
GPIB address the calibrator factory-preset 24.
• Remove the fuse and replace with new fuse the same rating.6 Safetyprecautions
The instrument has been designed Safety Class according 61010-1.
Safety ensured the design and the use specific component types. Specifiedparameters are only
guaranteed after the instrument warms for minutes. Replace the fuse follows:
• Switch off the calibrator
• Remove the end power cord from the mains connector the rear panel. The calibratorresets toitsreferencestatusin caseofpowerswitchingoff.o.
2.5 Replacement ffuse
The calibrator includes fuse located the mains entry module the rear panel.
• Insert the blade flat screwdriver into the opening cut the mains voltage selector and pull out the fuse
holder.
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