Discontinued

Extech GRT350

4-Wire Earth Ground Resistance/Resistivity Tester

The Extech GRT350 is a 4-Wire Earth Ground Resistance and Resistivity Tester which measures earth ground resistance from 2 Ohm to 2000 Ohm and resistivity from 0.06 ohm-m to 628 ohm-m. The GRT350 supports 4-wire, 3-wire, and 2-wire testing. It has a large dual line LCD, automatic spike check, test hold function, auto ranging, data hold, and auto power off function. This tester can also store and recall up to 200 test results and has over range and low battery indications. Product is complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, user's manual, and eight 1.5 V AA batteries. CE certified with a CAT IV 300 V safety rating.

Especificações

Especificações gerais
Corrente de teste approx. 2mA
Frequência de teste 820Hz
Precisão básica da resistência de aterramento ±(2% of reading + 3 digits)
Precisão básica da tensão de aterramento ±(2% of reading + 3 digits)
Resistividade do aterramento 0.06 to 6.28 kΩm, 0.62 to 62.8 kΩm, 6.28 to 628 kΩm
Resistência de aterramento 20Ω/200Ω/2000Ω
Resolução máx. da resistência de aterramento 0.01Ω/0.1Ω/1Ω
Tensão de aterramento 0 to 300VAC
Detalhes adicionais
Categoria de Segurança CATIV - 300V
Certificações CE
Dimensões 9.8 × 7.8 × 4.3" (250 × 190 × 110mm)
Garantia 2 years
Peso 3.15lbs (1430g)
Potência 8 × AA (1.5V) batteries

Resources & Support

User Manual

Extech GRT350 User Manual

Certification

Extech GRT350 Declaration of Conformity

Datasheet

Extech GRT350 Datasheet

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.