Operation Manual

34 GMC-I Messtechnik GmbH
4.2 High-Voltage Test with Feature B1/B2
The electrical equipment of the machine under test must
withstand a test voltage of twice its own rated voltage value or
1000 V~ (whichever is greater) applied between the conductors of
all circuits and the protective conductor system for a period of at
least 1 second. The test voltage must have a frequency of 50 Hz,
and must be generated by a transformer with a minimum power
rating of 500 VA.
Note
Feature B must be included for testing in accordance
with DIN VDE 0113.
Feature B2 is used for testing at up to 5 kV.
The MERISO PRIME+ automatically recognizes which type of high-voltage
module has been connected. Communications between the test instrument and
the high-voltage module can be tested as described in chapter 3.7.4.
Attention!
!
Before beginning work, the test instrument, the high
voltage cables and the high-voltage pistols must be
inspected to assure that they are in flawless condition
(see also chapter 10.5 on page 62).
4.2.1 Performance Test (preparation for testing)
Execute the following performance test in the specified order from
a) through e).
a) Key Switch
Ð Set the key switch to the “0” position.
• Neither the green nor the red signal lamps may light up.
b) Voltage Test
Ð Set the key switch to the “I” position.
• The green signal lamps must light up.
Ð Select the insulation test with the
or the key.
TEST
Select the Test
MENU
Open the Submenu
The test voltage parameter is switched from U
NOM
or U
STEP
to
AC-HV.
Ð Set parameters for test duration, test voltage, interrupting cur-
rent I
MAX
and rise time to the desired values (see chapter 4.2.2
on page 36).
Note
Do not set I
MAX
to pulse control mode!
Ð Press the START key.
• The red signal lamps must light up.
• The following values appear at the LCD:
U
T
= –––V
I
T
=–––mA
The following symbols appear: