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Fluke 1625 GEO Earth Ground Tester

 
Fluke 1625
Catalog #: 2571664
         
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ADVANCED GEO EARTH GROUND TESTER

Features

  • 3- and 4-pole earth ground measurement
  • 4-Pole soil resistivity testing
  • 2-pole resistance measurement AC
  • 2- and 4-pole resistance measurement DC
  • Selective testing, no disconnection of ground conductor (1 clamp)
  • Stakeless testing, quick ground loop testing (2 clamps)
  • Earth impedance measurement at 55 Hz
  • Automatic frequency control (AFC) (94, 105, 111, 128 Hz)
  • Measuring voltage switchable 20/48V
  • Programmable limits, settings
  • Continuity with buzzer
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Fluke 1625

Fluke 1625 Ground Tester GEO Earth

         
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Product Information

The Fluke 1623 and 1625 are distinctive earth ground testers that can perform all four types of earth ground measurement. Specifically, the Fluke 1623 and 1625 testers are 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.

Testing Methods

  • 3- and 4-Pole Fall of Potential – standard earth ground testing using two ground stakes
  • Selective testing – without disconnecting ground rods, a technician can measure ground resistance using a combination of stakes and a clamp.
  • Stakeless testing – innovative solution using only clamps, instead of ground stakes, to measure earth ground loop resistance.

 

The Fluke 1625 offers these advanced features

  • Automatic Frequency Control (AFC) – identifies existing interference and chooses a measurement frequency to minimize its effect, providing a more accurate earth ground value
  • R* measurement – calculates earth ground impedance at 55 Hz to more accurately reflect the earth ground resistance that a fault-to-earth ground would see.
  • Adjustable limits – for quick test result verification.

What's In The Box

  • Fluke 1625 tester
  • 2 test leads
  • Batteries
  • Users manual

Specifications

RA 3-pole ground resistance measurement (IEC 1557-5)
  Fluke 1623 Fluke 1625
Measuring Voltage Vm = 48 V ac Vm = 20/48 V ac
Short circuit current > 50 mA 250 mA ac
Measure frequency 128 Hz 94, 105, 111, 128Hz
Resolution 0.001 Ω to 10 Ω 0.001 Ω to 100 Ω
Measuring range 0.001 Ω to 19.99 kΩ 0.001 Ω to 299.9 kΩ
Intrinsic error ± (2 % of reading + 3 digit) ± (2 % of reading + 2 d)
Operating error ± (5 % of reading + 3 d) ± (2 % of reading + 2 d)
RA 4-pole ground resistance measurement (IEC 1557-5)
Measuring Voltage Vm = 48 V ac Vm = 20/48 V ac
Short circuit current > 50 mA 250 mA ac
Measure frequency 128 Hz 94, 105, 111, 128Hz
Resolution 0.001 Ω to 10 Ω 0.001 Ω to 100 Ω
Measuring range 0.001 Ω to 19.99 kΩ 0.001 Ω to 299.9 kΩ
Intrinsic error ± (2 % of reading + 3 d) ± (2 % of reading + 2 d)
Operating error ± (5 % of reading + 3 d) ± (5 % of reading + 5 d)
RA 4-pole selective ground resistance measurement with current clamp
Measuring Voltage Vm = 48 V ac Vm = 20/48 V ac
Short circuit current > 50 mA 250 mA ac
Measure frequency 128 Hz 94, 105, 111, 128Hz
Resolution 0.001 Ω to 10 Ω 0.001 Ω to 100 Ω
Measuring range 0.001 Ω to 19.99 kΩ 0.001 Ω to 299.9 kΩ
Intrinsic error ± (7 % of reading + 3 d) ± (7 % Of reading + 2 d)
Operating error ± (10 % of reading + 5 d) ± (10 % of reading + 5 d)
Stakeless ground loop measurement
Measuring Voltage Vm = 48 V ac Vm = 20/48 V ac
Measure frequency 128 Hz (125 Hz on request) 94, 105, 111, 128Hz
Noise current (Iext) Max. Iext = 10 A (ac) (RA < 20 O)
Max. Iext = 2 A (ac) (RA < 20 O)
Max. Iext = 3 A
Resolution 0.001 Ω to 0.1 Ω 0.001 Ω to 10 Ω
Measuring range 0.001 Ω to 19.99 kΩ 0.001 Ω to 299.9 kΩ
Intrinsic error ± (7 % of reading + 3 d) ± (7 % Of reading + 2 d)
Operating error ± (10 % of reading + 5 d) ± (10 % of reading + 5 d)
Environmental Specifications
Working temperature -10 °C to +50 °C
Operating Temperature 0 °C to +35 °C
Storage Temperature -20 °C to +60 °C -30 °C to +60 °C
Climatic class C1 (IEC 654-1), -5 °C to + 45 °C, 5 % to 95 % RH
Protection type IP56 for case, IP40 for battery door according to EN 60529
Safety Specifications
Safety Rating CAT II, 300 V
Mechanical & General Specifications
Display 1999 digit LCD – display with special symbols, digit height 25 mm, fluorescent backlight 2999 Digit LCD – 7 segment liquid crystal display with special symbols and backlight
Size 133 mm x 187 mm x 250 mm
Weight Fluke 1623 + Fluke 1625 1.1 kg (including batteries)
Warranty Two years
Battery Life Typical > 3000 measurements Typical 3000 measurements (RE+RH = 1 kΩ)
Typical 6000 measurements (RE+RH = 10 kΩ)

Fluke 1625 Product Specifications Summary:
(for full specs please see the full specs tab or the data sheet)

Ground Testers/3 Pole / 4 Pole Ground Testers Template

Type What's This?3 Pole, 4 Pole
Display (3 Pole Testers) What's This?Digital
Ground Resistance Range What's This?299.9 K Ohms
Measuring Current250 mA
Soil Resistivity What's This?Yes
Stakeless Capability What's This?Yes
Optional Ground Kit Included What's This?No
Auto Ranging What's This?Yes

Test Equipment General Attributes

Power Supply VoltageBattery Powered
Data Logging What's This?No

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