Description:
เครื่องวัดความต้านทานดิน, เครื่องวัดกราวด์ Clamp-on Earth Ground Resistance Tester
382357: Clamp-on Ground Resistance Tester ยี่ห้อ Extech, USA
Non-contact measurements of ground conductors without need for auxiliary ground spikes
The 382357 is a Clamp-On Ground Resistance Tester that enables non-contact measurements of ground conductors. True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA resolution. Programmable Datalogging with 116 data points. Performs without the need for auxiliary spikes. Complete with 9V battery, Resistance check plate and durable metal storage case.
Features:
-
Autoranging ground resistance measurements from 0.025Ohm to 1500Ohm with 0.002Ohm resolution
-
True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA resolution
-
Programmable Datalogging with 116 data points
-
Programmable Hi/Lo Alarm
-
0.9" (23mm) Jaw size for large ground rods
For complete specs please download the product datasheet (not available for some accessories)
Specifications:
|
Unit |
Range |
Resolution |
Accuracy (%rdg) |
|
Ground Resistance
|
0.025 to 0.25
0.250 to 1.000
1.001 to 9.999
10.00 to 50.00
50.01 to 99.99
100.0 to 200.0
200.1 to 400.0
400.0 to 600.0
600.1 to 1500
|
0.002
0.02
0.02
0.04
0.04
0.4
2
5
20
|
±(1.5% + 0.05 )
±(1.5% + 0.05 )
±(1.5% + 0.1 )
±(1.5% + 0.1 )
±(1.5% + 0.5 )
±(1.5% + 0.5 )
±(5.0% + 5 )
±(10% + 10 )
±20%
|
|
AC Leakage Current (Trms)
|
0.300 to 1.000mA
1.00 to 10.00mA
10.0 to 100.0mA
100 to 1000mA
0.20 to 4.00A
4.00 to 30.00A
|
0.001mA
0.01mA
0.1mA
0.1mA
0.01A
0.01A
|
±(2.0% ± 0.05mA)
±(2.0% ± 0.03mA)
±(2.0% ± 0.3mA)
±(2.0% ± 0.3mA)
±(2.0% ± 0.03A)
±(3.0% ± 0.03A)
|
|
Resistance Test Frequency
|
1.667kHz
|
|
Dimensions
|
10.2 x 4.4 x 1.9" (258 x 110 x 47mm) |
|
Weight
|
24.7oz (700g)
|
Extech Clamp-on Ground Resistance Tester
Verify resistance of cellular and communication tower ground grids
Accessories:
-
Complete with 9V battery, Resistance check plate, and durable metal storage case
Ordering Information:
382357.............Clamp-On Ground Resistance Tester
382357-NIST...Clamp-On Ground Resistance Tester with Calibration Traceable to NIST.
หมายเหตุ ::
• ราคาสินค้ารวม ยังไม่รวมภาษีมูลค่าเพิ่ม 7%
• ราคาสินค้าไม่รวมค่าขนส่ง
• สเปคและราคาสินค้าอาจมีการเปลี่ยนแปลงโดยไม่แจ้งให้ทราบล่วงหน้า
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