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charging when battery voltage is low
Automatic
Shutdown
“APO” Indicates, automatic Shutdown After 15 Minutes
Power
consumption
Standby: 40mA Max(Backlight off)
Turn on backlight: about 43mA
measuring：75mA Max(Backlight off)
Weight
Instrument： 2450(including battery)
Test lines：1300g
Auxiliary grounding rod： 850g(4PCS)
Working
temperature and
humidity
-10℃～40℃；below 80%rh
Storage
temperature and
humidity
-20℃～60℃；below 70%rh
Overload
protection
Grounding resistance：AC 280V/3 seconds between H-
S-ES ports
Insulation
resistance
20MΩ以上(500V between circuit and housing)
Pressure
resistance
AC 3700V/rms(between circuit and housing)
Electromagnetic
properties
IEC61326(EMC)
Suitable for
safety
regulations
IEC61010-1(CAT Ⅲ 300V、CAT IV 150V、pollution level
2)；
IEC61010-031；
IEC61557-1(grounding resistance)；
IEC61557-5(soil resistivity)；
JJG 366-2004.
V. Structure
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