NOTE ;
The digit error (less than 5digits) is added in measuring value.
To compensate this error, check the digit error by shorting test leads(+,-) before
measuring unknown frequency and deduct this value from measuring value.
4. MAINTENANCE
CAUTION
IT IS ESSENTIAL FOR SAFETY TO PROPERLY MAINTAIN AND SERVICE
THIS INSTRUMENT
WARNING
VOLTAGES WITHIN THIS INSTRUMENT ARE SUFFICIENTLY HIGH TO
ENDANGER LIFE. COVERS MUST NOT BE REMOVED EXCEPT BY
PERSONS QUALIFIED AND AUTHORIZED TO DO SO AND THESE PERSONS
SHOULD ALWAYS TAKE EXTREME CARE ONCE THE COVERS HAVE BEEN
REMOVED.
4-1. Fuse Replacement
l Disconnect and remove all connections from any live power source.
l Unscrew fuse holder by screw driver.
l Locate the defective fuse and remove it by gently pulling-out.
l Install a new fuse of the SAME SIZE AND RATING.
l Screwing fuse holder.
CAUTION
MAKE SURE THAT THE RATED AND SPECIFIED FUSES ARE USED FOR
REPLACEMENT.
4-2. Adjustment And Calibration
It is recommendable to regularly adjust and calibrate this instrument. Qualified and
authorized personnel only should execute performance and procedures.
4-3. Cleaning and decontamination
The instrument can be cleaned with a soft clean cloth to remove any oil, grease or
grime. Never use liquid solvents or detergents. If the instrument gets wet for any
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