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# 1630-2 FC
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.
Earth ground AC leakage current measurement
Logging measurements
Band-pass filter
Fluke Connect Wireless System
Electrical Specifications | ||
Maximum voltage to earth ground | 1000 V | |
Battery type | AA alkaline IEC/EN LR6 (x4) | |
Battery life | More than 15 hours* | |
* In Ground Resistance measurement mode, with backlight turned off, and RF mode turned off | ||
Frequency range | 40 Hz to 1 kHz | |
Ingress protection | IEC/EN 60529: IP30 with jaw closed | |
LCD | Digital reading | 9999 counts |
Refresh rate | 4 per second | |
Operating temperature | -10 °C to + 50 °C | |
Storage temperature | -20 °C to + 60 °C | |
Operating humidity | Non condensing (<10 °C) (< 50 °F) | |
≤90% RH (at 10 °C to 30 °C [50 °F to 86 °F]) | ||
≤75% RH (at 30 °C to 40 °C [86 °F to 104 °F]) | ||
≤45% RH (at 40 °C to 50 °C [104 °F to 122 °F]) | ||
(Non condensing) | ||
Operating altitude | 2000 m (6561 feet) | |
Storage altitude | 12 000 m (39,370 feet) | |
Reference temperature | 23 °C ±5 °C (73 °F ±9 °F) | |
Temperature coefficient | 0.15% x (specified accuracy)/ °C (<18 °C or >28 °C [<64.4 °F or >82.4 °F]) | |
Overload indication | OL | |
Data logging capacity | Minimum of 32,760 measurements | |
Data logging interval | 1 second to 59 minutes and 59 seconds | |
Display reading specification with standard loop resistance | ||
Input (Ω) | Minimum | Maximum |
0.474 | 0.417 | 0.531 |
0.5 | 0.443 | 0.558 |
10 | 9.55 | 10.45 |
100 | 96 | 104 |
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 | IEC/EN 61557-5 | |
Effectiveness of thepProtective measures | IEC/EN 61557-16 | |
Electromagnetic compatibility (EMC) | International | IEC/EN 61326-1: Portable Electromagnetic Environment |
CISPR 11: Group 1, Class B, IEC/EN 61326-2-2 | ||
Korea (KCC) | Class A equipment (Industrial Broadcast & Communications Equipment) | |
USA (FCC) | 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103 | |
Wireless Radio | ||
Frequency range | 2412 MHz to 2462 MHz | |
Output power | <10 mW | |
Radio frequency certification | FCC ID:T68-FBLE IC:6627A-FBLE | |
General Specifications | ||
Conductor size | 40 mm (1.57 in) approximately | |
Dimensions (L x W x H) | 283 x 105 x 48 mm (11.1 x 4.1 x 1.9 in) | |
Weight | 880g (31 oz) | |
Warranty | One year | |
Earth Ground Loop Resistance | ||
Range | Accuracy1 ± (% of reading + Ω) | |
0.025 Ω to 0.249 Ω | 1.5% + 0.02 Ω | |
0.250 Ω to 0.999 Ω | 1.5% + 0.05 Ω | |
1.000 Ω to 9.999 Ω | 1.5% + 0.10 Ω | |
10.00 Ω to 49.99 Ω | 1.5% + 0.30 Ω | |
50.00 Ω to 99.99 Ω | 1.5% + 0.50 Ω | |
100.0 Ω to 199.9 Ω | 3.0% + 1.0 Ω | |
200.0 Ω to 399.9 Ω | 5.0% + 5.0 Ω | |
400 Ω to 599 Ω | 10.0% + 10 Ω | |
600 Ω to 1500 Ω | 20.00% | |
1 Loop resistance with no inductance, conductor centered and perpendicular to jaw | ||
Earth ground leakage current mA | ||
Autorange 50/60 Hz, True rms, crest factor CF ≤3 | ||
Range | Resolution | Accuracy1 ± (% of reading + mA) |
0.200 mA to 3.999 mA | 1 μA | 2.0% + 0.05 mA |
4.00 mA to 39.99 mA | 10 μA | 2.0% + 0.03 mA |
40.0 mA to 399.9 mA | 100 μA | 2.0% + 0.3 mA |
0.400 A to 3.999 A | 1 mA | 2.0% + 3 mA |
4.00 A to 39.99 A | 10 mA | 2.0% + 30 mA |
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*Demonstrations can only be scheduled within the UAE