Earth Ground Clamp
Specifications
3
Specifications
General Specifications
Conductor Size.................................................. 33 mm (1.3 in) approximately
Dimensions (L x W x H) .................................... 276 mm x 100 mm x 47 mm (10.8 in x 3.9 in x 1.9 in)
Weight ................................................................ 750 g (1.65 lb)
Electrical Specifications
Display ............................................................... LCD
Operating Humidity........................................... Less than 85 % RH
Storage Temperature........................................ -20 °C to 60 °C (-4 °F to 140 °F)
Storage Humidity .............................................. < 75 % RH
Reference Temperature.................................... 23 °C ± 5 °C (73 °F ± 9 °F)
Temperature Coefficient................................... 0.1 X (specified accuracy) / °C (< 18 °C or > 28 °C)
Operating Temperature .................................... 0 °C to +50 °C (+32 °F to +122 °F)
Protective Type ................................................. IP30 according to IEC 60529/EN 60529
Category Rating ................................................ 300 V CAT III, pollution degree 2 and 600 V CAT II
EMC (Emission)................................................. IEC 61000-4-1, IEC 61326-1 Class B
EMC (Immunity)................................................. IEC 61000-4-2 8 kV (air) Criteria B,
IEC 61000-4-3 V/m perf. Criteria A
Range Selection ................................................ Auto
Overload Indication .......................................... OL
Measurement Frequency.................................. 3.333 kHz
Power Requirement .......................................... 9 V alkaline (type IEC 6 LR 61, NEDA 1604A)
Power Consumption ......................................... Approx. 40 mA (in Ω function)
Maximum Non-Destructive Current................. 100 A continuous, 200 A (< 10 sec) 50/60 Hz
Accuracy of Calibration Plate .......................... ± 0.1 %
Data Logging Capacity ..................................... 116 records
Data Logging Interval ....................................... 1 to 255 seconds
Ground Loop Resistance
Range
Accuracy
[1]
(± % of reading + Ω)
0.025 to 0.250 Ω ± 1.5 % + 0.02 Ω
0.250 to 1.000 Ω ± 1.5 % + 0.05 Ω
1.000 to 9.999 Ω ± 1.5 % + 0.1 Ω
10.00 to 50.00 Ω ± 1.5 % + 0.3 Ω
50.00 to 99.99 Ω ± 1.5 % + 0.5 Ω
100.0 to 200.0 Ω ± 3.0 % + 1.0 Ω
200.1 to 400.0 Ω ± 5.0 % + 5.0 Ω
400.0 to 600.0 Ω ± 10.0 % + 10.0 Ω
600.0 to 1500.0 Ω ± 20.0 %
Note
[1] Loop resistance with no inductance, external field
< 200 A/m, external electrical field < 1 V/m, conductor
centered.
Ground Leakage Current mA
Autorange 50/60 Hz, True rms, crest factor (CF) < 3.5
Range
Accuracy
0.300 to 1.000 mA
± 2.0 % rdg ± 0.05 mA
1.00 to 10.00 mA
± 2.0 % rdg ± 0.03 mA
10.0 to 100.0 mA
± 2.0 % rdg ± 0.3 mA
100 to 1000 mA
± 2.0 % rdg ± 3.0 mA