Smart Sensor ST4100 ST4800 500 ohms 1200 ohms 30A Clamp on ground resistance testers earth resistance meter

ST4100

ST4800

Resistance Range

0~500Ω

0~1200Ω

Current range

------

0-30A

Function

Ground Loop resistance meaurement, AC Leakage Current Measure

Ambient temperature and humidity

23℃ +/-5℃, below 75%rh

Power supply

4 pcs AA batteries

Measure way

Clamp-On Testing

Jaw (clamp) size

55mm*32mm

Ω+A display

Ω+Asynchronous display

Display mode

4 digits LCD

Product size

295*85*58mm

Data record

 500 units,symbol MEM indicates full of storage

Data reading

See MRsymbol while reading

Interference test

Automatic identification of interference signals, NOISE symbol indicates when the interference current is large

Auto power off

Able to set 5,10,15,20mins, and OFF

Power consumption

115mA  Max

Weight

1180g with batteries

Insulation resistance

20MΩ

Withstand voltage

AC3700V/rms (Between circuit and case)

External magnetic field

<40A/M

Standard

IEC61010-1,IEC61010-031,IEC61557-1(grounding resistance)