Compliance West MegaPulse 2x10s-2.5, Instruction Manual

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23
Section 5
Maintenance and Calibration
WARNING
THESE SERVICE INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL
ONLY. TO AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING
OTHER THAN THAT CONTAINED IN THE OPERATING INSTRUCTIONS
UNLESS YOU ARE QUALIFIED TO DO SO.
Introduction
This section of the manual contains maintenance
information for the MegaPulse series impulse
tester. This maintenance information is divided
into service information, general maintenance, a
performance test, and a calibration procedure.
The performance test is recommended as an
acceptance test when the instrument is first
received, and later as a preventative maintenance
tool to verify proper instrument operation. A 1-
year calibration cycle is recommended to
maintain the specifications given in Section 1.
The test equipment required for the performance
test is an oscilloscope and high voltage probe,
and a calibrated current shunt. The test
equipment required for the calibration procedure
is a DMM able to read the maximum specified
peak output voltage of the MegaPulse tester.
Service Information
The MegaPulse tester is warranted to the original
purchaser for a period of 1 year. This warranty
does not cover problems due to misuse or
neglect.
Malfunctions which occur within the limits of
the warranty will be corrected at no charge.
Mail the instrument post paid to the
manufacturer. Dated proof of purchase is
required for all in-warranty repairs.
The manufacturer is also available for calibration
and / or repair of instruments that are beyond
their warranty period. Contact the manufacturer
for a cost quotation. Ship the instrument and
your remittance according to the instructions
given by the manufacturer.
General Maintenance
Interior Access
NOTE
To avoid contaminating the PWB with
oil from your fingers, handle it by the
edges or wear gloves. If the PWB
becomes contaminated, refer to the
cleaning procedures given later in this
section.
Calibration Access
Use the following procedures to gain access to
the calibration adjustments of your instrument.
1.
Set Line Power switch to OFF.
2.
Disconnect the power cord from the
rear of the instrument.
3.
Remove the two upper screws on each
side of the unit.