Safety requirement
EN
Copyright © Qingdao Hantek Electronic Co., LTD
HBT3000 series user manual
5
1.5
Work Environment
Operating temperature and humidity range
0
℃
-40
℃
, below 80% RH (without condensation)
Storage temperature and humidity range
-10
℃
-50
℃
, below 80% RH (without condensation)
Accuracy assurance temperature and humidity range
23
°
C
±
5
°
C, below 80% RH (without condensation)
Warning:
To avoid the risk of short circuits or electric shock inside the instrument, do
not operate the instrument in a damp environment.
Altitude
Operating and Non-operating: 2,000m.
This product is powered by mains conforming to installation (overvoltage)
category II.
Warning:
Ensure that no overvoltage (e.g. from lightning) reaches the product.
Otherwise, the operator may be in danger of receiving electric shock.
Installation (Overvoltage) Category Definitions
Installation (overvoltage) category I
refers to the signal level, which is suitable
for measuring terminals connected to equipment in the source circuit, where
measures have been taken to limit instantaneous voltage to the corresponding