Environmental Conditions; Power Supply - AEMC 6422 User Manual

3.5 Environmental Conditions

1 = Reference range, 70 to 77°F (21 to 25°C)
2 = Operating range, 14 to 122°F (-10 to +50°C)
3 = Storage range (without batteries), -40 to +158°F (-40 to +70°C)
Range for recharging of the rechargeable batteries; 32 to 104°F (0 to 40°C)
Indoor and outdoor use
Altitude < 6500' (2,000m)
Pollution degree 2

3.6 Power Supply

Model 6422: 6 LR6 or AA disposable batteries.
Model 6424: 6 NiMH type AA rechargeable batteries. The charging time is
approximately 6 hours.
During charging, the instrument cannot make measurements. All front
panel buttons are disabled.
Typical time between battery charges
Function
Voltage /
Current
> 2500 measurements from 5s to
Resistance
Ground test
(3P)
Instrument off
38
Model 6422
(disposable batteries
> 80h
100Ω
> 2000 measurements from
100Ω
> 1 year
Model 6424
(rechargeable batteries)
> 50h
> 2000 measurements from 5s to
100Ω
> 1500 measurements from 100Ω
> 1 year
Ground Tester Models 6422/6424