10
Section 4
Maintenance and Calibration
WARNING
MAINTENANCE AND CALIBRATION INSTRUCTIONS ARE FOR QUALIFIED PERSONNEL
ONLY. TO AVOID ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER
THAN THE CONTAINED IN THE OPERATING INSTRUCTIONS.
Introduction
This section of the manual contains maintenance information for the GFM-300A-DM tester. A 1-year
calibration cycle is recommended to maintain the specifications of the factory. The test equipment
required for the performance test is digital meter and a current meter.
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
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
.
WARNING
Dangerous voltages exist when energized.
Exercise
extreme care when working on an energized
circuit.
Cleaning
Clean the front panel and case with a mild solution of detergent and a damp sponge.
CAUTION
Do not use aromatic hydrocarbons or chlorinated solvents for cleaning. These solutions will react with
the plastic materials used in the instrument.
