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Product/Service >> Earth Ground Resistance Tester >> EXTECH GRT350 4-Wire Earth Ground Resistance/Resistivity Tester
| EXTECH GRT350 4-Wire Earth Ground Resistance/Resistivity Tester Code: EXTECH GRT350 Discontinued Product สินค้าเลิกผลิต Description:
เครื่องวัดความต้านทานดิน (Earth Resistance and Resistivity Tester) 4-wire, 3-wire, and 2-wire testing
EXTECH GRT350 : 4-Wire Earth Ground Resistance/Resistivity Tester ยี่ห้อ Extech, USA
Measures earth ground resistance from 2 to 2000 Ohm and resistivity from 0.06 to 628 kOhm-m
To ensure good ground system installation, use Extech’s GRT350 Tester to check the resistance of the ground as well as the soil resistivity before you install your ground rods. This tester includes all hardware necessary to measure Earth Ground Resistance in 3 ranges, from 20 to 2000Ω, and Resistivity from 0.06 to 628kΩm. Electricians and technicians should also check their ground system periodically for predictive maintenance ensuring the resistance level doesn’t exceed the allowed safety level.
Features:
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Earth resistivity (p) test
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4-wire, 3-wire, and 2-wire testing
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Large dual line LCD
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Automatic I (current) and P (potential) spike check
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Test Hold function for easy operation
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Autoranging, Data Hold and Auto Power off
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AC Earth Voltage
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Store/recall up to 200 test results
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Overrange and low battery indication
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Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries
For complete specs please download the product datasheet (not available for some accessories)
Specifications:
|
Unit |
Range |
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Earth Ground Resistance |
20Ω/200Ω/2000Ω |
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Accuracy |
±(2%rdg+3d) |
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Resolution |
0.01Ω/ 0.1Ω/1Ω |
|
Test Current / Frequency |
approx. 2mA/820Hz |
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Earth Resistivity (ρ) |
0.06 to 6.28 kΩm, 0.62 to 62.8 kΩm, 6.28 to 628 kΩm |
|
AC Earth Voltage |
0 to 300VAC |
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Accuracy |
±(2%rdg+3d) |
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Dimensions |
9.8 x 7.8 x 4.3" (250 x 190 x 110mm) |
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Weight |
3.15lbs (1.43kg) - batteries included |
Accessories:
-
Complete with built-in hard carrying case, test leads with alligator clips, 4 auxiliary earth bars, and eight 1.5V AA batteries
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 Download ดาวน์โหลดไฟล์ข้อมูลสินค้า
Weight : 1430 g. Size [length x width x high] : 19 x 25 x 11 cm. Time sale : Until the remains |
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