EXTECH Earth Ground Tester: 0.01 ohm to 2,000 ohm, CAT IV 300V, Digital, 2 mA
The EXTECH GRT300 is a digital Earth Ground Resistance Tester measuring from 0.01 ohm to 2,000 ohm with a test current of 2 mA. It is rated CAT IV 300V and has no output. The IP rating is Not Rated.
SKU 3G-OTH-169546
Also listed as: GRT 300 · GRT-300
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The EXTECH GRT300 is a digital Earth Ground Resistance Tester measuring from 0.01 ohm to 2,000 ohm with a test current of 2 mA. It is rated CAT IV 300V and has no output. The IP rating is Not Rated.
Frequently Asked Questions
What is the EXTECH GRT300 earth ground tester used for?
The EXTECH GRT300 measures ground resistance from 0.01 ohm to 2,000 ohm to verify grounding system integrity in industrial, utility, and telecom applications. Its CAT IV 300V safety rating suits high-energy installations. 3G Electric supplies this tester globally, handling logistics and customs for worldwide delivery.
What are the specifications of the EXTECH GRT300?
The EXTECH GRT300 is a digital earth ground resistance tester with a measurement range of 0.01 ohm to 2,000 ohm, test current of 2 mA, and CAT IV 300V safety rating. It has no output and an IP rating of Not Rated. The manufacturer part number is GRT300.
Where to buy the EXTECH GRT300 worldwide?
3G Electric supplies the EXTECH GRT300 earth ground tester to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this model.
How to select the right earth ground tester for industrial use?
Select a tester like the EXTECH GRT300 based on required resistance range (0.01 ohm to 2,000 ohm), test current (2 mA), and safety rating (CAT IV 300V for high-energy environments). For applications needing data logging or higher current, consider models with output. 3G Electric can help match specifications to your grounding system needs.
Used in
Common applications for EXTECHEXTECH Products
3G Electric supplies EXTECH earth ground resistance testers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
