277 NE
7Technical specifications
Temperature Range: 0C ~ 40C +/- 2C
Operation Temperature:
Environmental humidity: <80% R.H.
Power supply: 2 x AAA (Alkaline)
8Warranty
8.1Warranty period
The devices have a
The warranty has to be proven by presentation of the original or copy of the purchase receipt, on which the date of purchase and the
8.2Warranty handling
A faulty unit needs to be returned to an authorized service centre including a valid purchase note and a filled in service card.
If the unit develops a fault during the warranty period, the service centre will repair any defects caused by material or manufacturing faults free of charge, by either repairing or exchanging the faulty units or parts of the faulty units. In case of replacement, colour and model can be different from the original purchased unit.
The initial purchase date shall determine the start of the warranty period. The warranty period is not extended if the unit is exchanged or repaired by the service centre.
8.3Warranty exclusions
Damage or defects caused by incorrect treatment or operation and damage resulting from use of
The warranty does not cover damage caused by outside factors, such as lightning, water and fire, nor any damage caused during transportation.
No warranty can be claimed if the serial number on the units has been changed, removed or rendered illegible.
Any warranty claims will be invalid if the unit has been repaired, altered or modified by the buyer.