Safety requirement EN 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 Copyright © Qingdao Hantek Electronic Co., LTD HBT3000 series user manual 5