• itch the calibrator outside its operating tem perature range.
What case failure
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laboratory.g.
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a iste ith l.Calibrator maintenance
M191 Insulation Tester Calibrator_______________ MEATEST. s.
• heneverpossible, use the setup enu round output term inal (GND setup function)..
Regular maintenance
T lib ire tric rts. There protecting the
calibrator from the dam age caused som proper connections.o.
• liq all objects can perm itted enter the calibrator through the vent openings.
T lib lib ls.
• block the vent openings located the rear bottom panel.
• connect the calibrator other voltage than set the voltage selector.r.
• The calibrator operated dusty environm ent.
Rules for correct operation
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• The calibrator can nly itched pressing the ains itch located the rear panel.
T ltifu tio lib tro tru ith tro ily
lo rin tio fan .
• onnect the instrum ents calibrated proper output term inals.
38 User Manual
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• dam age the output term inals plugging “bananas" thicker than the term inals were designed
for. lit, lib r
m itc irst, is
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