General description, Preparation for use – HT instruments HT710 User Manual
Page 26

HT710
EN - 4
2. GENERAL DESCRIPTION
Dear customer, we thank you for your patronage. The meter you have just purchased will
grant you accurate and reliable measurements provided that it is used according to the
present manual’s instructions. The instrument was designed to grant the user the utmost
safety conditions thanks to a new concept assuring double insulation and overvoltage
category IV up to 600V.
The instrument performs the following measurements:
● DC
(V
DC
) voltage measurement
● Resistance
measurement
● AC
(V
AC
) voltage measurement
● Continuity
test
● Frequency
measurement
● Diode
test
Selectable by means of a 7-position rotary selector. Three function keys are also available.
The selected measurement is displayed with indication of active functions. In order to save
batteries the instrument automatically switches off 15 minutes after last pressure on keys
or last selector rotation. To resume operation turn the rotary selector on OFF position and
switch it on again.
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).
Make sure that all standard accessories mentioned in paragraph 6.3.1 are included.
Should you have to return back the instrument for any reason please follow the
instructions mentioned in paragraph 7.
3.2. SUPPLY
VOLTAGE
The instrument is powered by batteries (refer to paragraph 6.1.9 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. Afterwards the instrument may need
recalibration.
3.4. STORAGE
After a period of storage in extreme environmental conditions exceeding the limits
mentioned in paragraph 6.2.1 let the instrument return to normal measuring conditions
before using it.