Earth/ Ground Tester

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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%

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.) /  (18 or 28)

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