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Extech GRT300 4 Wire Earth Ground Resistance Tester

Ditambahkan pada : October 30th, 2016
Rp 25.000.000
Stock : Tersedia
Kode Produk :
Dilihat : 121 kali
Kategori : Electrical Tester
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Extech GRT300 4 Wire Earth Ground Resistance Tester

  • Earth resistance measurements up to 2000Ω
  • 2, 3 and 4 wire testing procedures
  • Also measures AC earth voltage

 

Details

Containing everything you need for carrying out measurements of earth ground resistance, the Extech GRT300 kit is a must-have for any professional and allows testing of earth ground across four resistance ranges of 2Ω, 20Ω, 200Ω and 2000Ω (2kΩ).

Fully autoranging for ease of use and encased in its own protective carrying case, the Extech GRT300 both speeds up testing procedures thanks to automatic range selection and is protected at all times from harm during transportation or usage.

This digital earth tester also includes the ability to carry out 4-wire, 3-wire and 2-wire earth resistance testing procedures, with each lead connection assigned a colour for ease of use (the included leads are also colour coded). Selecting a test procedure  is also easy; just make the connections, press 2P, 3P or 4P or ACV voltage and the tester will do the rest!

As well as standard measurements of earth resistance the GRT300 can also be used to carry out automatic I (current) spike checks, automatic P (potential) spike checks and includes the ability to measure AC earth voltage from 0 to 300V AC.

 

Key Features

  • 2, 3 and 4 wire testing of earth resistance
  • Measurement range from 2 to 2000Ω (2kΩ)
  • Large dual line LCD makes reading back measurements easy
  • Autoranging – the GRT300 will automatically cycle to the correct range dependant on the measurement taken
  • Automatic checks I (current) and P (potential spikes
  • Test hold function
  • Automatic zero adjustment
  • AC earth voltage measurements from 0 to 300V AC
  • Data hold function temporarily stores last value taken on the screen
  • Overrange and low battery indicators
  • CAT IV 300V and EN 61010-1 compliance

 

What’s Included

  • Extech GRT300 Earth Tester
  • 4 x Test Leads with Alligator Clips (Red, Green, Yellow and Black Leads)
  • Hard Carrying Case
  • 8 x 1.5V AA Batteries

 

Specification

Earth Ground Resistance Ranges

2Ω, 20Ω, 200Ω, 2000Ω

Basic Accuracy

±(2%rdg+3d)

Resolution

0.01Ω, 0.1Ω, 1Ω, 0.01kΩ

Test Current/Frequency

<2mA / 820Hz

AC Earth Voltage/Frequency

0 to 300VAC / 40 to 500Hz

Accuracy

±(2%+3d)

Power Supply

8 x 1.5V AA Batteries

Dimensions

9.8 x 7.8 x 4.3″ (250 x 190 x 110mm)

Weight

3.15lbs (1430g) (batteries included)

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