________________________________________ M191 Insulation Tester Calibrator
Earth grounding
Fig.6 Safetyprecautions
The instrument has been designed Safety Class according 61010-1.
MEATEST, s.5 Replacement ffuse
The calibrator includes fuse located the mains entry module the rear panel. The design reflects the
requirements amendment the standard.4 Warm-up time
The calibrator works after switched and the initial checks complete.
• Insert the blade flat screwdriver into the opening cut the mains voltage selector and pull out the fuse
holder. Rear panel connection
Note. This value valid until the user changes it.
Safety ensured the design and the use specific component types.
2.Function HVR High resistance source
Nominal resistance value 100 MQ
Output terminals OFF
GPIB address the calibrator factory-preset 24.
2. Replace the fuse follows:
• Switch off the calibrator
• Remove the end power cord from the mains connector the rear panel. Specifiedparameters are only
guaranteed after the instrument warms for minutes.
User Manual v16.r.
2.o. During this period, theinstrumentshould not be
calibrated however enables full access calibration memory.
• Remove the fuse and replace with new fuse the same rating.
The manufacturer not liable for the damage caused modification the construction replacement parts
with non-original ones. The calibratorresets toitsreferencestatusin caseofpowerswitchingoff
