HT25N
EN - 4
2. GENERAL DESCRIPTION
This instrument HT25N performs the below listed measurements:
DC
Voltage
AC sine wave Voltage
DC
Current
Resistance
Continuity
test
Diode
test
9V and 1.5V battery test
All function is selectable by means of a rotary selector. In addition there are the
HOLD
key
to hold the displayed value and the key for activated/disable LCD backlight.
3. PREPARATION FOR USE
3.1. INITIAL
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 § 6.3.1 are included. Should you
have to return back the instrument for any reason please follow the instructions mentioned
in § 7.
3.2. SUPPLY
VOLTAGE
The instrument is supplied by 1x9V battery type IEC 6F22. When battery are low, a low
battery indication “
BAT
” is displayed. To replace/insert battery please refer to § 5.1.
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 under extreme environmental conditions exceeding the limits
mentioned in § 6.2.1 let the instrument resume normal measuring conditions before using
it.