User Manual

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5.6. POWER SUPPLY
The instrument is supplied by three 1.5V LR6 or AA alkaline batteries. It is possible to replace the batteries by rechargeable NiMH
batteries of the same size. But the rechargeable batteries, even when correctly charged, will not reach the voltage of the alkaline
batteries and the life indicated will be or .
The voltage range ensuring correct operation is from 3 to 4.5V for the alkaline batteries and 3.6V for the rechargeable batteries.
Below 3V, the instrument stops making measurements and displays BAt.
Battery life (with the Bluetooth connection deactivated) is:
 in stand-alone mode, 1000h
 in recording mode: 3 years at rate of one measurement every 15 minutes.
The instrument can also be powered via a USB-micro USB cord, connected either to a PC or to a wall outlet via a mains adapter.
> 110 VAC
< 240 VAC
50 / 60 Hz
2,5 W
5.7. ENVIRONMENTAL CONDITIONS
For use indoors and outdoors.
Operating range -10 to 60°C and 10 to 90%RH without condensation
Storage range -20 to +70°C and 10 to 95%RH without condensation, without batteries
Altitude < 2000m, and 10,000m in storage.
Pollution degree 2
5.8. MECHANICAL CHARACTERISTICS
Dimensions (L x W x H) 187 x 72 x 32 mm
Mass 260 g approx.
Inrush protection IP 54, with the USB connector closed and the protective cap in place, per IEC 60.529.
Drop impact test 1 m per IEC 61010-1.
5.9. COMPLIANCE WITH INTERNATIONAL STANDARDS
The instrument is compliant with standard IEC 61010-1.
5.10. ELECTROMAGNETIC COMPATIBILITY (CEM)
The instrument is compliant with standard IEC 61326-1.