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designed for.
Before and after use, always check that the tester is in perfect working order
(e.g. on a known voltage source).
The tester must no longer be used if one or more functions fail or if no functio-
nality is indicated.
It is not permitted to use the tester during rain or precipitation.
A perfect display is guaranteed only within a temperature range of -15 °C to
50 °C at relative air humidity less than 85 %.
If the safety of the user cannot be guaranteed, the tester must be switched off
and secured against unintentional use.
Safety is no longer guaranteed e.g. in the following cases
•
obvious damage
•
broken housing, cracks in housing
•
if the tester can no longer perform the required measurements/ tests
•
stored for too long in unfavorable conditions
•
damaged during transport
•
leaking batteries
The tester complies with all EMC regulations. Nevertheless it can happen in rare
cases that electric devices are disturbed by the electrical field of the tester or the
tester is disturbed by electrical devices.
Never use the tester in explosive environment.
Tester must be operated by trained users only.
Operational safety is no longer guaranteed if the tester is modified or altered.
The tester may be opened by an authorized service technician only.
If the indication "voltage present" appears although the checked part is consi-
dered as disconnected, it is recommended to verify additional measures if the
measured voltage is an interference voltage or not.
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