A 1740 Calibration Box 5kV
A 1740 Description / A 1740 Application
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2.3 Standards applied
A 1740 Calibration Box 5kV is manufactured and tested according to the following
regulations, listed below.
Safety
EN 61010 - 1
Safety requirements for electrical equipment for measurement,
control, and laboratory use
– Part 1: General requirements
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A 1740 Description
Outlook of calibration unit
Figure 3.1:
Calibration Box 5kV (A 1740)
Legend:
1...................................... 10 M
connection stub, (intended for connection of +Rx)
2...................................... 100 M
connection stub, (intended for connection of +Rx)
3...................................... 1 G
connection stub, (intended for connection of +Rx)
4...................................... 10 G
connection stub, (intended for connection of +Rx)
5...................................... COMMON connection stub, (intended for connection of
–Rx)
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A 1740 Application
Procedure:
Connect
–RX to COMMON connection stub and +Rx to 10 M
connection
stub.
Set test voltage, press
START / STOP
key on the instrument and wait until
result becomes stable, then verify indication.
Press
START / STOP
key again to stop the measurement.
Repeat the same procedure with the rest test values.
The instrument does not require any adjustment if indications are inside the stated
limits.