TM-507
EN - 4
2. GENERAL DESCRIPTION
Dear Customer, the instrument you have purchased, whether used according to the instructions
given in this manual, will grant you accurate and reliable measurements. Thanks to a development of
newest conception assuring double insulation and overvoltage category III you will enjoy the highest
safety.
2.1. WORKING
1000V - M
Ω
:
insulation resistance measurement with test DC voltage of 1000V
500V - M
Ω
:
insulation resistance measurement with test DC voltage of 500V
250V - M
Ω
:
insulation resistance measurement with test DC voltage of 250V
Lo
Ω
:
continuity test on earth, protective and potential equalising conductors with a test current
higher than 200mA and open voltage ranging from 4V to 24V
Ω
:
measurement of resistance / continuity with sound signal
:
AC voltage measurement
:
DC voltage measurement
3. PREPARATION FOR USE
3.1. PRELIMINARY
CHECKS
This instrument was checked both mechanically and electrically prior to shipment. All possible cares
and precautions were taken to let you receive the instrument in perfect conditions. Notwithstanding
we suggest you to check it rapidly (eventual damages may have occurred during transport – if so
please contact the local distributor from whom you bought the item). Make sure that all standard
accessories mentioned in paragraph 6.3. are included. Should you have to return back the instrument
for any reason please follow the instructions mentioned in paragraph 7.
3.2. POWER
SUPPLY
The instrument is powered by batteries (refer to paragraph 6.3 for details on model, no. and battery
life). When batteries are low, a low battery indication is displayed. To replace/insert batteries follow
the instructions indicated in paragraph 5.2.
3.3. CALIBRATION
The instrument complies with the technical specifications contained in this manual and such
compliance is guaranteed for 1 year. Annual recalibration is recommended.
3.4. STORAGE
After a period of storage in extreme environmental conditions exceeding the limits mentioned in
paragraph 6.2.1 let the instrument resume normal measuring conditions before using it.
