EXTECH 382357 클램프 온 접지 저항 시험기

Ground Resistance

 0.025 to 0.25 /0.002 /±(1.5% + 0.05 )

0.250 to 1.000 /0.02 /±(1.5% + 0.05 )

1.001 to 9.999 /0.02 /±(1.5% + 0.1 )

10.00 to 50.00 /0.04 /±(1.5% + 0.1 )

50.01 to 99.99 /0.04 /±(1.5% + 0.5 )

100.0 to 200.0 /0.4 /±(1.5% + 0.5 )

200.1 to 400.0 /2 /±(5.0% + 5 )

400.0 to 600.0 /5 /±(10% + 10 )

600.1 to 1500 /20 /±20%

AC Leakage Current  (Trms)

0.300 to 1.000mA /0.001mA /±(2.0% ± 0.05mA)

1.00 to 10.00mA /0.01mA /±(2.0% ± 0.03mA)

10.0 to 100.0mA /0.1mA /±(2.0% ± 0.3mA)

100 to 1000mA /0.1mA /±(2.0% ± 0.3mA)

0.20 to 4.00A /0.01A /±(2.0% ± 0.03A)

4.00 to 30.00A /0.01A /±(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)

Complete with 9V battery, Resistance check plate, and durable metal storage case

Features:

• Autoranging ground resistance easurements from 0.03Ω to 1500Ω with 0.02Ω resolution
• True RMS AC Leakage current range of 0.2mA to 15.00A
• 0.9" (23mm) Jaw size for large ground rods
• Simplifies ground resistance measurements on multiple point ground systems
• Verification resistors confirm accuracy of meter

Tags: máy đo điện trở đất, đồng hồ đo điện trở đất

Manual

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