382357_15 Datasheet, PDF (1/1 Pages) Extech Instruments Corporation. – Clamp-On Ground Resistance Tester

Clamp-On Ground Resistance Tester
Enables non-contact measurements of ground conductors
Without the need for auxiliary spikes
Features:
• Autoranging ground resistance measurements
from 0.03 to 1500 with 0.02 resolution
• True RMS AC Leakage current
range of 0.2mA to 30.00A
• Programmable datalogging with
116 data points
• Programmable Hi/Lo alarm
• 0.9" (23mm) Jaw size for large ground rods
• Simplifies ground resistance measurements
on multiple point ground systems
• Auto power off
• Verification resistors confirm accuracy of meter
• Automatic Self Calibration when powered on
• 9999 Count LCD display with Data Hold
• Electrical Noise Detection feature
prevents inaccurate readings
• Data hold
• Complete with 9V battery, Resistance
check plate, and durable metal storage case
Verify resistance of cellular and communication
tower ground grids
Specifications
Ground Resistance
AC Leakage Current (Trms)
Resistance Test Frequency
Dimensions
Weight
Range
Resolution
0.025 to 0.25
0.002
0.250 to 1.000
0.02
1.001 to 9.999
0.02
10.00 to 50.00
0.04
50.01 to 99.99
0.04
100.0 to 200.0
0.4
200.1 to 400.0
2
400.0 to 600.0
5
600.1 to 1500
20
0.300 to 1.000mA
0.001mA
1.00 to 10.00mA
0.01mA
10.0 to 100.0mA
0.1mA
100 to 1000mA
0.1mA
0.20 to 4.00A
0.01A
4.00 to 30.00A
0.01A
1.667kHz
10.2 x 4.4 x 1.9" (258 x 110 x 47mm)
24.7oz (700g)
Accuracy (%rdg)
±(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%
±(2.0% ± 0.05mA)
±(2.0% ± 0.03mA)
±(2.0% ± 0.3mA)
±(2.0% ± 0.3mA)
±(2.0% ± 0.03A)
±(3.0% ± 0.03A)
Ordering Information:
382357 ........ Clamp-On Ground Resistance Tester
382357-NIST Clamp-On Ground Resistance Tester with Calibration Traceable to NIST.
www.extech.com
Specifications subject to change without notice.
10/11/10 - R1
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