Verification - UIM -90 User Manual

UIM-90 (221)
UIM-90 (221/В)
UIM-90 (221/Р)
UIM-90 (221/ВР)

7 Verification

7.1 Performing verification
During verification following actions must be performed:
Name
1 Visual inspection
2 Testing
3 Checking the insulation resistance of
power circuits with respect to the case
4 Checking the relative voltage measure-
ment error
7.2 Verification facility
7.2.1 During the Oil tester verification it is necessary to use measuring
instruments:
Paragraph
7.6.3 Megaohmmeter М4100/3 voltage 500+50 V, accuracy class 1
7.6.4 Kilovoltmeter С100 three ranges electrostatical
7.2.2 Measuring instruments must have a certificate of calibration.
7.2.3 It is allowed to use other measuring instruments with the same
metrological characteristics.
Paragraph
7.6.1
7.6.2
7.6.3
7.6.4
Name of a measuring instrument, the main
metrological and technical characteristics
28
Verification
Unscheduled
Verification Verification
no
yes
yes
yes
Scheduled
yes
yes
–
yes