HT instruments M70 - Manual (Page 5)

M70
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. FEATURES

1000V - M : insulation resistance measurement with test DC voltage of 1000V
 500V - M : insulation resistance measurement with test DC voltage of 500V
 250V - M : insulation resistance measurement with test DC voltage of 250V
 Lo : continuity test on earth, protective and potential equalising conductors
with a test current higher than 200mA and open voltage ranging from
4V to 24V
  : 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 § 6.3. are
included. Should you have to return back the instrument for any reason please follow the
instructions mentioned in § 7.
3.2. POWER
SUPPLY
The instrument is powered by 4x1.5V batteries type AA LR6. When batteries are low, a
low battery indication is displayed. To replace/insert batteries follow the instructions
indicated in § 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 § 6.2.1 let the instrument resume normal measuring conditions before using
it.