단종

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.

사양

일반 사양
대지 저항 0.06 to 6.28 kΩm, 0.62 to 62.8 kΩm, 6.28 to 628 kΩm
대지 전압 0 to 300VAC
대지 전압 기본 정확도 ±(2% of reading + 3 digits)
접지 저항 20Ω/200Ω/2000Ω
접지 저항 기본 정확도 ±(2% of reading + 3 digits)
접지 저항 최대 해상도 0.01Ω/0.1Ω/1Ω
테스트 전류 approx. 2mA
테스트 주파수 820Hz
추가 정보
무게 3.15lbs (1430g)
보증 2 years
안전 범주 CATIV - 300V
인증 CE
전원 8 × AA (1.5V) batteries
크기 9.8 × 7.8 × 4.3" (250 × 190 × 110mm)

리소스 및 지원

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.