
DRAWING No.EM7000 09-1306 2040 2040
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[7] MAINTENANCE
1. This section is very important for safety. Read and
understand the following instruction fully and maintain your
instrument properly.
2. The instrument must be calibrated and inspected at least
once a year to maintain the safety.
WARNING
7-1 Maintenance and inspection
1) Appearance
Is the appearance not damaged by falling ?
2) Test leads and fuse
Are the test leads not damaged ?
Are the core wire not exposed at any place of the test leads ?
Make sure that the test leads are not cut, referring to the
section 6.1.
If your instrument fails any of above check, do not use it, and have it
repaired or replace it to new one.
7-2 Calibration
The manufacturer may conduct calibration and inspection. For
more information, please contact the dealer or manufacturer.
7-3 How to Replace Built in Battery and Fuse
1. If the rear case is removed with input applied to the input
terminals, you may get electrical shock. Before starting the
work, always make sure that no inputs is applied.
2. Be sure to use a fuse that has the same rating so as to ensure
safety and performance of tester.
3. When removing the rear case do not touch the internal parts or
wire with hand.
4. Two types of fuses (500 mA and 6.3 A) are used. Be careful not
to confuse them.
WARNING
EM7000_08_英_再校 13.6.10 1:26 PM ページ25
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