Hioki SM-8216, Инструкция по эксплуатации, Страница: 41 / 44

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8. MAINTENANCE AND MISCELANEOUS
Periodical maintenance, including checking and calibration is required for
the SM-8216 super megohmmeter to perform reliable measurements and
prevent a trouble and accident.
If necessary, ask your local HIOKI Electronics distributor to do such a
Service as periodical checking, calibration and routine maintenance
8.1 Periodical Checking
To keep your instrument its at best condition, the following checking is
required at monthly periods.
1) Check the Rx measuring terminals and input/output terminal block for
integrity.
As the Rx measuring terminals carry a high voltage (100 V to 1000 V,
maximum, depending upon the set-up, visually check the terminals for
any crack, loose connection, etc.
Cracked terminal and loose connection will lead a trouble and accident.
2) Clean the panels, Rx measuring terminals, and input/output terminal
board with soft cloth.
3) Visually check the LCD display for brightness and clearness.
4) Check the action of the switches and pushbutton switches for smooth
and trouble-free operation.
5) Measure the measuring voltage across the Rx
‑
/
+
measuring terminals
With a voltmeter. The voltage should be within
±
3% of the selected
value.
8.2 Storage, Transportation and Abandon
1) Storage
When the SM-8216 unit is shutdown for a long period of time, unplug the
power cord from the AC line outlet, put a dust cover over it, and store the
unit in a place meeting the following conditions.
(1) Free of corrosive gas, dust and vibration
(2) Environment temperature of -5 to 45
℃
,
80% RH or less(non-condensating)
2) Transportation
When the unit is transported, avoid shock and vibration.
For long distance transportation, place the unit in a shock absorbing
carton box with a HANDLE WITH CARE label to prevent rough handling.
3) Abandon
To abandon an old unit, observe the rules of your local government.