EARTH RESISTANCE AND SOIL RESISTIVITY METER IS-20, IS-20/1

- Earth resistance measurement by 2, 3 and 4-pole method;  
- Selective earth resistance measurement;
- Stakeless earth resistance loop measurement with 2 clamps;  
- Continuity measurement;
- Measurement of ground potential according to the distance;
- Ground potential measurement;
- Soil resistivity (Wenner’s method);
- Detection of connection errors;
- High interference immunity;
- Data storing up to 10 000 measurement results;
- PC connection.


Specification

Earth resistance  3, 4 - pole measurement
Measuring Range
Resolution
Maximum probe resistance
Accuracy
current electrode
E – H
voltage electrode
ES (E) – S
1 to 999 mΩ 1 mΩ 30 Ω 40 кΩ ± (3 %+ 3 digits)
0.01 to 9.99 Ω 0.01 Ω 1 кΩ
0.1 to 99.9 Ω 0.1 Ω 10 кΩ
1 to 999 Ω 1 Ω 40 кΩ
1.00 to 9.99 кΩ 0.01 kΩ

Test voltage: up to 48 Vrms;
Test current: up to 250 mA, 128 Hz;
Interference voltage 50 Hz: 24 V peak maximum.


Selective Earth resistance  3, 4 - pole measurement with current clamp (for IS-20/1 only)

Measuring Range

Resolution

Maximum probe resistance Accuracy
current electrode
E – H
voltage electrode
ES (E) – S
1 to 999 mΩ
1 mΩ
30 Ω
40 кΩ ± ( 0.05×R+
R2 ∕ 300×Rsis
+ 3 digits)
0.01 to 9.99 Ω
0.01 Ω
1кΩ
0.1 to 99.9 Ω
0.1 Ω
1 to 999 Ω
1 Ω
1.00 to 9.99 кΩ
0.01 kΩ

Allowable minimum test current on the current clamp: 0.3 mA;  
Interference voltage 50 Hz: 24 V peak maximum;
Interference current 50 Hz: 2 Arms maximum.  


Earth resistance measurement with double clamp (for IS-20/1 only)

Measuring Range
Accuracy
0.03 to 9.99 Ω ± (10 % + 3 digits)
10.0 to 99.9 Ω ± (15 % + 3 digits)

Interference current 50 Hz: 2 Arms maximum.

Leakage current measurement (for IS-20/1 only):

Measuring Range: 1 mA to 2.5 A ± (5 % + 3 digits).

Interference voltage measurement:

Measuring Range: 1 to 300 V peak ± (5 % + 3 digits).


Other

Safety CAT IV 300 V, double insulation
Power supply
NiMH rechargeable battery  6 V 2 Ah or 5x1.5 V AA
Operating temperature - 15 оC...+ 50 оC
Storage temperature
- 40 оC...+ 70 оC
Ingress protection
IP54
Dimensions
90 x 105 x 245 mm
Weight approx. 0.8 kg
Memory
10 000 cells
Data transmission
wireless (Bluetooth-USB Dongle)

Delivery set

  • NiMH rechargeable battery 6 V 2 Ah - 1 pcs
  • Вattery charging adapter - 1 pcs
  • Test lead, length of 1.5 m - 2 pcs   
  • 40-meters blue and red cable reels of each colour - 1 pcs
  • Metal clip - 1 pcs
  • Auxiliary earth spikes, length of 0.2 m - 2 pcs
  • “Crocodile” clip, isolated - 2 pcs
  • Current measuring clamp: KTI-20/1 (Ø 40 mm) or  KTI-20/1 (Ø 80 mm) (on the customer choice)
  • Battery holder 5 x AA - 1 pcs
  • Bluetooth-USB dongle - 1 pcs
  • Carry bag - 1 pcs  
  • Operating Manual - 1 pcs


Optional accessories
Injection clamp KP-20/1 (Ø 50 mm) - 1 pcs





Address: Russia, Udmurtia, Izhevsk, Pushkinskaya str., 268
Mailbox: 426000, Russia, Udmurtia, Izhevsk, p/o box 10047
Phone: +7 (3412) 43-91-44
Fax: +7 (3412) 43-92-63
E-mail: office@radio-service.ru


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