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Fluke 1625-2 Advanced GEO Earth Ground Tester
  • Fluke 1625-2 Advanced GEO Earth Ground Tester
  • Fluke 1625-2 Advanced GEO Earth Ground Tester Kit

Fluke 1625-2 Advanced GEO Earth Ground Tester Kit

Fluke authorised distributor and calibration house.

Includes: Fluke 1625-2 GEO Earth Ground Tester, User’s Manual, Batteries, Quick Reference Guide, USB Cable, 2 Clamps, C1620 Professional Carrying Case, 4 Earth Ground Stakes, 3 Cable Reels.

4325181
£2,836.00
£1,985.20 Save 30%
Tax excluded
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Clearance Offer - One Only At This Price
Due to a cancelled order, we are offering this Fluke 1625-2 earth testing kit at 30% discount.

The Fluke 1625-2 Earth/Ground Tester is an earth resistance meter with fully automated measuring frequency selection process. The Tester includes automatic testing of probe and auxiliary earth electrode resistances and possible interference voltages in accordance with DIN IEC61557-5/EN61557-5.

The Fluke 1625-2 Earth Ground Tester is a compact, field-rugged instrument that performs all four types of earth ground measurement. Specifically, the Tester is able to measure earth ground loop resistances using only clamps – called Stakeless testing. This method doesn’t require the use of earth ground stakes or the disconnection of ground rods.

In addition to performing standard 3-pole and 4-pole ground resistance measurements, an innovative process accurately measures individual earth electrode resistances in single and meshed earthed systems without disconnecting any parallel electrodes. One specific application of this capability is quick and accurate measurement of power pylon grounds.

FEATURES:

3- and 4-pole Fall-of-Potential, earth resistance loop testing.
4-pole Soil Resistivity testing.
Selective earth ground rod testing using 1 clamp.
Stakeless earth ground rod testing using 2 clamps.
IP56 rated for outdoor use.
Rugged carrying case.
USB data storage and transfer.
Automatic Frequency Control (AFC) - identifies existing interference and chooses a measurement frequency to minimize its effect.
R* measurement – calculates earth ground impedance at 55 Hz to more accurately reflect the earth ground resistance.
Adjustable limits - for quicker testing.

Megger BGFT Specifications
General Specifications
Memory Internal memory storage up to 1500 records accessible via USB port.
Measuring function Interference voltage and frequency, earthing resistance 3- and 4-pole with/without clip-on current transformer, resistance 2-pole with AC, 2- and 4-pole with DC.
Display 4 digit (2999 Digit) - 7 segment liquid crystal display, with improved visibility.
Operation Central rotary switch and function keys.
Temperature Range
Operating temperature -10°C to 50°C (14°F to 122°F).
Storage temperature -30°C to 60°C (-22°F to 140°F).
Temperature coefficient ±0.1% of reading/°C < 18°C > 28°C.
Type of protection IP56 for case, IP40 for battery door according to EN60529.
Max voltage Warning – socket "clamp" to socket E, ES, S or H.
Urms = 0 V.
Sockets E, ES, S or H to each other in any combination, max. Urms = 250 V (pertains to misuse).
Safety Protection by double and/or reinforced insulation. Max. 50 V to earth per IEC61010-1. Pollution degree 2.
Quality standard Developed, designed and manufactured to comply with DIN ISO 9001.
External field influence Complies with DIN 43780 (8/76).
Auxiliary power 6 x 1.5 V alkaline (IEC LR6 or type AA).
Battery life span With IEC LR6/type AA: typ. 3,000 measurements (RE+RH ≤ 1 kΩ).
With IEC LR6/type AA: typ. 6,000 measurements (RE + RH > 10 kΩ).
Dimensions (W x H x D) 250 x 133 x 187 mm (9.75 x 5.25 x 7.35 in).
Weight ≤ 1.1 kg (2.43 lb) without accessories 7.6 kg (16.8 lb) incl. accessories and batteries in carrying case.
Case material Polyester.
Measurement of Interference Voltage DC + AC (UST).
Measuring limits of error: method Full wave rectification.
Measuring range 1 V to 50 V.
Display range 0.0 V to 50 V.
Resolution 0.1 V.
Frequency range DC/AC 45 Hz to 400 Hz sine.
Accuracy ±(5% of rdg + 5 digit).
Measuring sequence Approx. 4 measurements/s.
Internal resistance Approx. 1.5 MΩ.
Max. overload Urms = 250 V.
Measurement of Interference Frequency (F)
Measuring limits of error: method Measurement of oscillation period of the interference voltage.
Measuring range 6.0 Hz to 400 Hz.
Display range 16.0 Hz to 299.9 Hz to 999 Hz.
Resolution 0.1 Hz to 1 Hz.
Range 1 V to 50 V.
Accuracy ±(1% of rdg + 2 digit).
Earthing Resistance (RE)
Measuring method Current and voltage measurement with probe as IEC61557-5.
Open circuit voltage 20/48 V, AC.
Short circuit current 250 mA AC.
Measuring frequency 94, 105, 111, 128 Hz selected manually or automatic. (AFC) 55 Hz in function R1.
Noise rejection 120 dB (16 2/3 , 50 , 60, 400 Hz).
Max. overload Urms = 250 V.
Electrical Measurement Specifications
Intrinsic Error or Influence Quantity Reference Conditions or Specified Operating Range Designation Code Requirements or Test in Accordance with the Relevant Parts of IEC 1557 Type of Test
Intrinsic error Reference conditions A Part 5, 6.1 R
Position Reference position ±90° E1 Part 1, 4.2 R
Supply voltage At the limits stated by the manufacturer E2 Part 1, 4.2, 4.3 R
Temperature 0°C and 35°C E3 Part 1, 4.2 T
Series interference voltage See 4.2 and 4.3 E4 Part 5, 4.2, 4.3 T
Resistance of the probes and auxiliary earth electrodes 0 to 100 x RA but ≤ 50 kΩ E5 Part 5, 4.3 T
System frequency 99% to 101% of the nominal frequency E7 Part 5, 4.3 T
System voltage 85% to 110% of the nominal voltage E8 Part 5, 4.3 T
Operating error B = ±(|A| + 1,15 √E21 E22 E23 E24 E25 E26 ) Part 5, 4.3 R
B[%] = ± B/fiducial value x 100%.
A = intrinsic error.
En = variations.
R = routine test.
T = type test.
Measuring range 0.020 Ω to 300 kΩ.
Display range 0.001 Ω to 2.999 Ω.
3.00 Ω to 29.99 Ω.
30.0 Ω to 299.9 Ω.
0.300 kΩ to 2.999 kΩ.
3.00 kΩ to 29.99 kΩ.
30.0 kΩ to 299.9 kΩ.
Resolution 0.001 Ω.
0.01 Ω.
0.1 Ω.
1 Ω.
10 Ω.
100 Ω.
Accuracy ±(2% of rdg + 2 digit).
Operating error ±(5% of rdg + 5 digit).
Measuring time Typical 8 seconds with a fixed frequency 30 sec. max. with AFC and complete cycle of all measuring frequencies.
Additional error because of probe-and auxiliary earth electrode resistance RH(RS + 2000 Ω)/RE x 1.25 x 10-6% + 5 digits.
Measuring error of RH and RS Typ. 10% of RE + RS + RH.
Max. probe resistance ≤ 1 MΩ.
Max. auxiliary earth electrode resistance ≤ 1 MΩ.
Automatic check if error is kept within the limits required by IEC61557-5.
If after a measurement of probe-, auxiliary earth electrode- and earthing resistance, a measurement error of higher than 30% is assumed because of the influencing conditions, the display shows a warning symbol and a notice that RS or RH are too high.
Automatic Switchover of Measuring Resolution in Dependence to Auxiliary Earth Electrode Resistance RH.
RH with Umeas = 48 V < 300 Ω.
< 6 Ω.
< 60 Ω.
< 600 Ω.
RH with Umeas = 20 V < 250 Ω.
< 2.5 kΩ.
< 25 kΩ.
< 250 kΩ.
Resolution 1 mΩ.
10 mΩ.
100 mΩ.
1 Ω.
Selective Measurement of the Earthing Resistance (RE Clamp).
Measuring method Current and voltage measurement with probe as per EN61557-5 and current measurement in the individual branch with additional current transformer (patent applied for).
Open circuit voltage 20/48 V AC.
Short circuit current 250 mA AC.
Measuring frequency 94, 105, 111, 128 Hz selected manually or automatically (AFC), 55 Hz (R1).
Noise rejection 120 dB (162/3, 50, 60, 400 Hz).
Max. overload Max. Urms = 250 V (measurement will not be started).
Measuring range 0.020 Ω to 300 kΩ.
Display range 0.001 Ω to 2.999 Ω.
3.00 Ω to 29.99 Ω.
30.0 Ω to 299.9 Ω.
0.300 kΩ to 2.999 kΩ.
3.00 kΩ to 29.99 kΩ.
Resolution 0.001 Ω.
0.01 Ω.
0.1 Ω.
1 Ω.
10 Ω.
Accuracy ±(7% of rdg + 2 digit).
Operating error ±(10% of rdg + 5 digit).
Additional error because of probe- and auxiliary earth typ. electrode resistance RH(RS + 2000 Ω)/RETOTAL x 1.25 x 10-6% + 5 digits.
Measuring error of RH and RS Typ. of 10% of RETOTAL + RS + RH.
Measuring time Typ. 8 sec. with a fixed frequency 30 sec. max. with AFC and complete cycle of all measuring frequencies.
Minimal current in single branch to be measured 0.5 mA With transformer (1000:1).
0.1 mA With transformer (200:1).
Max. interference current through transformer 3 A With transformer (1000:1).
1. With recommended current clamps/transformers.
Resistance Measurement (R~)
Measuring method Current and voltage measurement.
Measuring voltage 20 V AC, square pulse.
Short circuit current > 250 mA AC.
Measuring frequency 94, 105, 111, 128 Hz selected manually or automatically (AFC).
Measuring range 0.020 Ω to 300 kΩ.
Display range 0.001 Ω to 2.999 Ω.
3.00 Ω to 29.99 Ω.
30.0 Ω to 299.9 Ω.
300 Ω to 2999 Ω.
3.00 kΩ to 29.99 kΩ..
30.0 kΩ to 299.9 kΩ.
Resolution 0.001 Ω.
0.01 Ω.
0.1 Ω.
1 Ω.
10 Ω.
100 Ω.
Accuracy ±(2% of rdg + 2 digit).
Operating error ±(5% of rdg + 5 digit).
Measuring time Typical 6 seconds.
Max. interference voltage 24 V, with higher voltages measurement will not be started.
Max overload Urms max. = 250 V.
Resistance Measurement (R DC)
Measuring method Current- voltage measurement as per IEC61557-4 possible.
Measuring voltage 20 V DC.
Short circuit current 250 mA DC.
Formation of measured value With 4-pole measurement wires on H, S, ES can be extended without additional error.
Resistances > 1 Ω in wire E can cause additional error of 5m Ω/Ω.
Measuring range 0.020 Ω to 300 kΩ.
Display range 0.001 Ω to 2.999 Ω.
3.00 Ω to 29.99 Ω.
30.0 Ω to 299.9 Ω.
300 Ω to 2999 Ω.
3.0 kΩ to 29.99 kΩ.
30.0 kΩ to 299.9 kΩ.
Resolution 0.001 Ω.
0.01 Ω.
0.1 Ω.
1 Ω.
10 Ω.
100 Ω.
Accuracy ±(2% of rdg + 2 digit).
Operating error ±(5% of rdg + 5 digit).
Measuring sequence Approx. 2 measurements/s.
Measuring time Typical 4 second including reversal of polarity (2-pole or 4-pole).
Maximum interference voltage ≤ 3 V AC or DC, with higher voltages measurement will not be started.
Maximum inductivity 2 Henry.
Maximum overload Urms = 250 V.
Compensation of Lead Resistance (RK)
Compensation of lead resistance (RK) can be switched on in functions RE 3-pole, RE 4-pole (clamp), R AC, and R DC 2-pole.
Formation of measured value Rdisplay = Rmeasured - Rcompensated2
2. Value of setpoint entry RK = 0.000 Ω, variable from 0.000 to 29.99 Ω by means of measuring adjustment.
Stakeless Ground Loop Measurement (Two Clamp Stakeless)
Switch position RA 4-pole (two clamp Stakeless).
Resolution 0.001 Ω to 0.1 Ω.
Measuring range 0.02 Ω to 199.9 Ω.
Accuracy ±(7% rdg + 3 digit).
Operating error ±(10% rdg + 5 digit).
Measuring voltage Vm = 48 V AC (primary).
Measuring frequency 128 Hz.
Noise current (IEXT) Max. IEXT = 10 A (AC) (RA < 20 Ω).
Max. IEXT = 2 A (AC) (RA > 20 Ω).
Measuring principle: Stakeless measurement of resistance in closed loops using two current transformers.
Automatic range selection.
The information regarding stakeless ground loop measurements is only valid when used in conjunction with the recommended current clamps at the minimum distance specified.

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Fluke 1625-2 Advanced GEO Earth Ground Tester Kit

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