− 2 −
5. Never use the tester if the tester, test lead or alligator clip is
damaged or broken.
6. Never use the tester with the rear case or battery lid removed.
7. When using the test leads, keep your gingers behind the finger
guards of the test probe and the barrier of the alligator clip.
8. During measurement, do not change the function or range.
9. Before starting measurement, make sure that the function and
range are properly set in accordance with the measurement.
10. Never use the tester when it is wet or with wet hands.
11. Do not use the instrument in a place where corrosive or
explosive gas is produced.
12. Never attempt repair or modification, except for battery
replacement.
13. To ensure safety and maintain accuracy, check the tester
in the start-up inspection as well as in the inspection to be
performed at least once a year.
14. The tester is for indoor use only.
15. Wear insulating protective gear when using the meter with
equipment containing a hazardous live part. Also be sure
to observe your local and national safety rules.
16. Always use the meter in a specified method to prevent the
protective function from being imperiled.
1-3 Overload Protection Input Values
Function
Input terminals
Max. rated
input value
Max. overload
protection input
V
LINE(L). = Earth(E)
DC/AC 1000 V DC/AC 1100 V
MΩ
Voltage input
prohibited
DC/AC 1000V
-
GUARD(G)
Voltage input
prohibited
DC/AC 30V
[2] APPLICATIONS AND FEATURES
2-1 Applications
This instrument is a high voltage digital insulation resistance tester
capable of measuring voltages within the range of 600 V under
IEC61010-1 CAT.IV and 1000 V under CAT.III.