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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
µ
m
BOPP Betamesh BM20 – filtration level 20
µ
m
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