HT instruments XL424 - Manual (Page 6)

XL423 - XL424
EN - 5
3 PREPARATION FOR USE
3.1 PRELIMINARY CHECKS
This instrument has been checked mechanically and electrically before shipment. All
precautions have been taken to assure that the instrument reaches you in perfect
condition.
However, it is advisable to carry out a rapid check in order to detect any possible damage,
which might have occurred in transit.
Check the accessories contained in the packaging to make sure they are the same as
reported in chapter 11.
3.2 POWER
SUPPLY
The instrument is powered by two 1.5V type LR6 AA AM3 MN1500 alkaline batteries. For
battery life see paragraph 10.1.2. For battery fitting operation procedure please see
paragraph 9.2.
WARNING
• The meter, after fitted batteries, is always continuously ON also if STATUS
and ALARM LED are OFF. Pressing of START/STOP key activate or disable
recordings only.
• During a recording the blinking ALARM LED every 3 seconds means a low
battery status.
3.3 CALIBRATION
The instrument complies with the accuracy specifications listed in this manual and such
compliance is guaranteed for 12 months, afterwards the tester may need recalibration.
3.4 STORAGE
In order to guarantee the accuracy of the measurements, after a period of storage in
extreme environmental conditions wait for the instrument to stabilize to within the listed
operating conditions (see paragraph 10.2).