User's Manual

7.4 Electrical Data
Internal battery
7.2 V DC; one internal battery provided with the instrument.
Internal battery Value
Operating time >30-40 minutes operating, continuous use
at room temperature.
Charging time Typical charging time with GKL821 charger is
2.5 hours at room temperature.
7.5 Environmental Specifications
7.5.1 BLK2GO
Temperature range:
Type
Operating temperature
[°C]
Storage temperature
[°C]
Instrument +5 to +40 −25 to +70
Protection against water, dust and sand:
Type
Protection
Instrument IP54 (IEC 60529)
Dust protected
BOPP Betamesh BM90 – filtration level 69 µm
BOPP Betamesh BM20 – filtration level 20 µm
Protection against splashing water from any direction
Humidity:
Type
Protection
Instrument max. 95% non condensing
Lighting:
Type
Conditions
Instrument Fully operational from bright sunlight to complete dark-
ness.
7.5.2 Charger and Batteries
Temperature range for GKL821 and GEB821
Operating temperature [°C]
Mode
0 to +50 Charging and operating
Storage temperature [°C]
−40 to +70
BLK2GO power supply
Battery operating and
charging times
Environmental speci-
fications BLK2GO
Charger and battery
specifications
Technical Data 37