Fluke 1630-2 FC Earth Ground Clamp Meter
Stakeless earth ground loop and AC leakage current clamp for fast, safe indoor/outdoor earth ground resistance and AC leakage current tests. Heavy-duty clamp jaw stays in alignment and in calibration even in every day, on-the-job industrial environments. Test the grounding components of equipment in hard- to-reach spaces, including areas that are indoors or fully paved and do not permit driving auxiliary test stakes. Stay on line—identify ground loop resistance without the need to disconnect then reconnect the earth electrode from the system. Stakeless measurement The 1630-2 FC clamp measures earth ground loop resistances for multi-grounded systems using the dual- clamp jaw. This test technique eliminates the dangerous and time-consuming activity of disconnecting parallel grounds, as well as the process of finding suitable locations for auxiliary test stakes. You can also perform ground tests in places that were previously difficult: inside buildings, on power pylons or anywhere you don’t have access to soil to place auxiliary test stakes. With this test method, a two- process measurement is made around the earth ground wire or bus bar using the specially-designed jaw of the 1630-2 FC clamp. Auxiliary test stakes are not used at all. A known voltage is induced by the source in the clamp, and the current is measured by the sensor in the clamp. The tester automatically determines the earth loop resistance for this section of the earthing system. One year warranty.
Ground Resistance Measurement Principle
Equivalent Circuit Diagram
Fluke 1630-2 FC
Electrical specifications Maximum voltage to earth ground
1000 V
Battery type Battery life
4 × 1.5 V AA alkaline IEC/EN LR6
More than 15 hours
Frequency range Ingress protection
40 Hz to 1 kHz
IEC/EN 60529: IP30 with jaw closed
LCD
Digital reading
9999 counts
Refresh rate 4 Hz
Reference temperature Display Reading Specification with Loop Resistance Standard
23°C ±5°C
Input (Ω)
Minimum
Maximum
0.474
0.417 0.443
0.531 0.558 10.45 104.0
0.5
10
9.55
100
96
Data logging capacity
Minimum of 32,760 measurements
Safety
General IEC/EN 61010-1: Pollution Degree 2 IEC/EN 61557-1 Measurement IEC/EN 61010-2-032: CAT IV 600 V / CAT III 1000 V
Current clamp for leakage current measurements
IEC/EN 61557-13: Class 2, ≤30 A/m
Resistance to Earth Effectiveness of the protective measures
IEC/EN 61557-5
IEC/EN 61557-16: cutoff frequency 20 kHz (-3 dB)
Included Accessories Hard Case, Loop Resistance Standard, Four AA Batteries, Safety Information Guide and Quick Reference Guide. Ordering Information Fluke-1630-2 FC Earth Ground Loop and Leakage Clamp
General specifications Conductor size Dimensions (H×W×D)
40mm approximately
283 mm × 105 mm × 48 mm
Weight
880 g
C ontact your local distributor for price and availability. fluke.co/wtb
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Earth Ground Testers
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