Extech GRT300
4-Wire Earth Ground Resistance Tester
The GRT300 measures earth ground in 4 ranges from 2 to 2000 Ohm. 4-wire, 3-wire, and 2-wire testing. Large dual line LCD. Automatic I (current) and P (potential) spike check. Test Hold function for easy operation. Autoranging, Automatic Zero adjustment, Data Hold and Auto Power off. AC Earth Voltage. Overrange and low battery indication. Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries.
Specifications
| General | |
|---|---|
| Earth Ground Resistance | 2Ω/20Ω/200Ω/2000Ω |
| Earth Ground Resistance Basic Accuracy | ±(2% of reading + 3 digits) |
| Earth Ground Resistance Max Resolution | 0.01Ω/0.1Ω/1Ω/0.01kΩ |
| Earth Voltage | 0 to 300VAC (40 to 500Hz frequency) |
| Earth Voltage Basic Accuracy | ±(2% of reading + 3 digits) |
| Test Current | <2mA |
| Test Frequency | 820Hz |
| Additional Details | |
|---|---|
| Certifications | CE |
| Dimensions | 9.8 × 7.8 × 4.3" (250 × 190 × 110mm) |
| Power | 8 × AA (1.5V) batteries |
| Safety Category | CATIV - 300V |
| Warranty | 2 years |
| Weight | 3.15lbs (1430g) |
Resources & Support
Brochure
Wat wilt u meten? FLIR WDYNTM brochure
User Manual
Extech GRT300 User Manual
Certification
Extech GRT300 Declaration of Conformity
Datasheet
Extech GRT300 Datasheet
Brochure
What do you need to measure? FLIR WDYNTM brochure
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.
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