Earth/ Ground Tester

Home > Products > DC/AC Earth/ Ground Tester > Clamp-on Ground Resistance Tester
PROVA-5637

Clamp-on Ground Resistance Tester

Product Features
  • Non-contact ground resistance measurement: 0.025Ω ~ 1500Ω
  • No auxiliary electrode needed
  • Leakage current measurement: 0.3mA ~ 35A, True RMS
  • Jaw diameter: 35mm
  • Programmable High and Low alarm
  • Programmable data logging
  • Data logging capacity: 116 records
  • Data logging interval: 1 to 255 sec.
  • Auto-power-off function
  • Grounding application:
  • Telecommunication,
  • Electrical power plant,
  • Factory and facility,
  • Cable TV system,
  • Cellular phone system,
  • Gas station & tank
Clamp-on Ground Resistance Tester

Electrical Specifications: (23±5) 

Ground Resistance (Auto range):

Range
Resolution
Accuracy of Reading1
0.025 - 0.250Ω
0.002Ω
 ± 1.5% ± 0.05Ω
0.251 - 1.000Ω
0.02Ω
 ± 1.5% ± 0.05Ω
1.001 – 10.00Ω
0.02Ω
 ± 1.5% ± 0.1Ω
10.01 - 50.00Ω
0.04Ω
 ±2.0% ± 0.3Ω
50.01 – 100.0Ω
0.04Ω
 ±2.0% ± 0.5Ω
100.1 - 200.0Ω
0.4Ω
 ± 3.0% ± 1.0Ω
200.1 - 400.0Ω
2Ω
 ± 5.0% ± 5Ω
400.1 - 600.0Ω
5Ω
 ± 10% ± 10Ω
600.1 – 1500Ω
20Ω
 ± 20%

1 Loop resistance noninductive, external field < 200 A/m, external electrical field < 1 V/m, conductor centered.

Resistance Measurement Frequency: 3.333KHz

 

High and Low Alarm

 
Range
Resolution
High Alarm
0 - 1510Ω
1Ω
Lo Alarm
0 - 1510Ω
1Ω

 Ground/ Leakage Current (Auto range, 50/60 Hz, True RMS, Crest Factor < 3.5)

Range

Resolution

Accuracy of Reading

0.300 - 1.000 mA

0.001 mA

 ± 2.0% ± 0.05 mA

1.00 - 10.00 mA

0.01 mA

  ± 2.0% ± 0.03 mA

10.0 - 100.0 mA

0.1 mA

 ± 2.0% ± 0.3 mA

100 – 1000 mA

1 mA

± 2.0% ± 3 mA

 Ground Current (Auto range, 50/60 Hz, True RMS, Crest Factor < 3.5)

Range

Resolution

Accuracy of Reading

0.200 – 4.000 A

0.001 A

 ± 2.0% ± 0.03 A

4.00 – 35.00 A

0.01 A

 ± 3.0% ± 0.03 A

 Accuracy of Resistance Calibration Plate: ±1%

Data Logging Capacity116 records

Data Logging Interval: 1 to 255 seconds

   

General Specifications:

 Conductor Size:
35 mm (1.38”) approx.
Jaw Opening:
38 mm (1.49”) approx.
Battery Type:
9V IEC 6 LR61 (Alkaline)
Battery Life:
3000 measurements
Display:
4 digits 9999 counts LCD
Range Selection:
Auto
Auto-Power-Off:
About 4~6 minutes
Overload Protection:
100A (continuous); 200A (5 sec.)
Overload Indication:
OL
Power Consumption:
40mA
Low Battery Indication:
 
Sampling Time:
20 times / second
LCD update:
2 times / second
Temperature Coefficient:
0.1% x (Specified Spec.) / °C (18°C or 28°C)
Operating Temperature:
0°C to 50°C (14°F to 122°F)
Operating Humidity:
less than 85% relative
Altitude:
up to 2000M
Storage Temperature:
-20°C to 60°C (-4°F to 122°F)
Storage Humidity:
less than 75% relative
Dimension: 
276mm (L) x 100mm (W) x 47mm (H)
10.8” (L) x 3.9” (W) x 1.9” (H)
Weight:
750g / 1.65 lbs
Accessories:
Resistance calibration plate x 1,
9V battery (installed) x 1,
User manual x 1,
Carrying case x 1