£1,030.80

Extech Instruments GRT300 Earth Ground Resistance Tester with 4 Wire

Black, GRT300

Price data last checked 181 day(s) ago - refreshing...

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£1,031 today · usual range £0–£0 · best ever £763

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Price History & Forecast

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Last 353 days • 353 data points (No recent data available)

Historical
Generating forecast...
£1,051.29 £734.02 £803.24 £872.46 £941.69 £1,010.91 £1,080.13 20 December 2024 18 March 2025 14 June 2025 10 September 2025 07 December 2025

Price Distribution

Price distribution over 353 days • 5 price ranges

Days at Price
Current Price
87 days 81 days 39 days 69 days 77 days · current 0 22 44 65 87 £763-821 £821-878 £878-936 £936-994 £994-1051 Days at Price

Price Analysis

Most common range: £763-821 (87 days, 24.6%)

Price range: £763 - £1051

Price levels: 5 price ranges over 353 days

Description
4-Wire Earth Ground Resistance Tester Kit includes all hardware necessary to measure earth ground In 4 ranges from 2 to 2000Ω. 4-wire, 3-wire, and 2-wire testing. Over range and low battery indication. Box Contains 1 x Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries

Key Features

Auto ranging

Automatic I (current) spike check

Automatic P (potential) spike check

Test hold function for easy operation

Product Specifications
Brand
Extech
Model
GRT300
Colour
Black
Format
DIY & Tools
ASIN
B0060M8H1Q
Category
DIY & Tools > Electrical > Tools & Testers > Multi Testers
Domain
Amazon UK
Release Date
23 November 2015
Listed Since
15 August 2012

Barcode

No barcode data available