HT instruments HT3310 User Manual
Page 5

HT3301-HT3310
EN - 4
3. PREPARATION TO USE
3.1. INITIAL
CONTROL
This instrument was checked both mechanically and electrically prior to shipment.
Notwithstanding we suggest you to check it rapidly (eventual damages may have occurred
during transport. Make sure that all standard accessories mentioned in paragraph 9.3 are
included. Should you have to return back the instrument for any reason please follow the
instructions mentioned in paragraph 10.1
3.2. SUPPLY
VOLTAGE
The instrument is powered by a single 9V battery type IEC6F22 NEDA1604 included in the
package. For battery autonomy please see paragraph 9.1. The symbol "
" appears when
batteries are nearly discharged. Replace them according to the instructions in paragraph
8.2
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 9.2.1 let the instrument resume normal operating conditions
before using it.