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Fluke 1623-2 GEO Earth Ground Tester

The Fluke 1623-2 Earth Ground Tester offers fast, accurate earth ground tests using all 4 test methods. World class accessories speed set up and test time.

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Fluke 1623-2 GEO Earth Ground Tester
  • Fluke 1623-2 GEO Earth Ground Tester
  • Fluke 1623-2 Earth Ground Tester, IP56 rated for outdoor use
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  • The Fluke 1623-2 GEO Earth Ground Tester offers data storage and download capabilities via USB port. World class accessories will simplify and speed up testing time.

    Fluke 1623-2 GEO Earth Ground Tester summary

    • 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
  • Stakeless Testing

    The Fluke 1623-2 earth ground tester is able to measure earth ground loop resistances using only clamps. With this test method, two clamps are placed around the earth ground rod and each are connected to the tester. No earth ground stakes are used at all. A known, fixed voltage is induced by one clamp and the current is measured using the second clamp. Then the tester automatically determines the resistance of the earth ground rod. This test method only works if a bonded earth ground system exists for the building or structure under test, but most are. If there is only one path to ground, like at many residential applications, the Stakeless method will not provide an acceptable value and the Fall-of-Potential test method must be used.

    With Stakeless testing, the earth ground rod does not need to be disconnected - leaving the bonded earth ground system intact during test. Gone are the days of spending time placing and connecting stakes for each earth ground rod on your system - a major time saver. You can also perform earth ground tests in places you’ve not considered before: inside buildings, power pylons, or anywhere you don’t have access to soil.

    The Most Complete Tester

    The Fluke 1623-2 is a unique earth ground tester that can perform all four types of earth ground measurement.

    • 3- and 4-Pole Fall-of-Potential (using stakes)
    • 4-Pole Soil Resistivity Testing (using stakes)
    • Selective Testing (using 1 clamp and stakes)
    • Stakeless Testing (using 2 clamps only)
  • General Specifications
    Display: 1999 digit LCD Display with special symbols, digit height 25 mm, fluorescent backlight
    User interface Instant measurement through TURN and START one button concept. The only operating elements are rotary switch and START button
    Robust, water and dust resistant Instrument is designed for tough environmental conditions (rubber protective cover, IP56)
    Memory Internal memory storage up to 1500 records accessible via USB port
    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
    Intrinsic error Refers to the reference temperature range and is guaranteed for 1 year
    Operating error Refers to the operating temperature range and is guaranteed for 1 year
    Climatic class C1 (IEC 654-1), -5°C to +45°C (23° to +115° F), 5% to 95% RH
    Protective type IP56 for case, IP40 for battery door according to EN60529
    Safety Protection by double and/or reinforced insulation. max. 50 V to earth. IEC61010-1: 300V CAT II, Pollution degree 2
    EMC (emission immunity) IEC61326-1: Portable
    Quality system Developed, designed and manufactured according to DIN ISO 9001
    External voltage V ext, max = 24 V (DC, AC < 400 Hz), measurement inhibited for higher values
    V ext rejection > 120 dB (162⁄3, 50, 60, 400 Hz)
    Measuring time Typical 6 seconds
    Max. overload 250 V rms (pertains to misuse)
    Auxiliary power 6 x 1.5 V Alkaline (type AA LR6)
    Battery life span Typical > 3,000 measurements
    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) including batteries
    7.6 kg (16.8 lb) incl. accessories and batteries in carrying case
    RA 3-Pole Ground Resistance Measurement (IEC 1557-5)
    Switch position RA 3-pole
    Resolution 0.001 Ω to 10 Ω
    Measuring range 0.020 Ω to 19.99 kΩ
    Accuracy ±(2% rdg + 3 d)
    Operating error ±(5% rdg + 3 d)
    Measuring Principle: Current/Voltage Measurement
    Measuring voltage Vm = 48 V AC
    Short-circuit current > 50 mA
    Measure frequency 128 Hz
    Probe resistance (RS) Max 100 kΩ
    Auxiliary earth electrode resistance (RH) Max 100 kΩ
    Additional error from RH and RS RH[kΩ]•••RS[kΩ]/RA[Ω]•••0.2%
    Monitoring of RS and RH with error indicator.
    Automatic range selection.
    Measurement is not performed if the current through the current clamp is too low.
    RA 4-Pole Ground Resistance Measurement (IEC 1557-5)
    Switch position RA 4-pole
    Resolution 0.001 Ω to 10 Ω
    Measuring range 0.020 Ω to 19.99 kΩ
    Accuracy ±(2% rdg + 3 d)
    Operating error ±(5% rdg + 3 d)
    Measuring Principle: Current/Voltage Measurement
    Measuring voltage Vm = 48 V AC
    Short-circuit current > 50 mA
    Measure frequency 128 Hz
    Probe resistance (RS + RES) Max 100 kΩ
    Auxiliary earth electrode resistance (RH) Max 100 kΩ
    Additional error from RH and RS RH[kΩ]•••RS[kΩ]/RA[Ω]•••0.2%
    Monitoring of RS and RH with error indicator.
    Automatic range selection.
    RA 3-Pole Selective Ground Resistance Measurement with Current Clamp (RA with Clamp )
    Switch position RA 3-pole with clamp
    Resolution 0.001 Ω to 10 Ω
    Measuring range 0.020 Ω to 19.99 kΩ
    Accuracy ±(7% rdg + 3 d)
    Operating error ±(10% rdg + 5 d)
    Measuring Principle: Current/Voltage Measurement (with External Current Clamp)
    Measuring voltage Vm = 48 V AC
    Short-circuit current > 50 mA
    Measure frequency 128 Hz
    Probe resistance (RS) Max 100 kΩ
    Auxiliary earth electrode resistance (RH) Max 100 kΩ
    Monitoring of RS and RH with error indicator.
    Automatic range selection.
    Measurement is not performed if the current through the current clamp is too low.
    RA 4-Pole Selective Ground Resistance Measurement with Current Clamp (RA with Clamp )
    Switch position RA 4-pole with clamp
    Resolution 0.001 Ω to 10 Ω
    Measuring range 0.020 Ω to 19.99 kΩ
    Accuracy ±(7% rdg + 3 d)
    Operating error ±(10% rdg + 5 d)
    Measuring Principle: Current/Voltage Measurement (with External Current Clamp)
    Measuring voltage Vm = 48 V AC
    Short-circuit current > 50 mA
    Measure frequency 128 Hz
    Probe resistance (RS) Max 100 kΩ
    Auxiliary earth electrode resistance (RH) Max 100 kΩ
    Monitoring of RS and RH with error indicator.
    Automatic range selection.
    Measurement is not performed if the current through the current clamp is too low.
    Stakeless Ground Loop Measurement (2 Clamps)
    Switch position RA 4-pole 2 clamps
    Resolution 0.001 Ω to 10 Ω
    Measuring range 0.020 Ω to 19.99 kΩ
    Accuracy ±(7% rdg + 3 d)
    Operating error ±(10% rdg + 5 d)
    Measuring Principle: Stakeless Measurement of Resistance in Closed Loops Using Two Current Transformers
    Measuring voltage Vm = 48 V AC
    Measure frequency 128 Hz
    Noise current (IEXT) Max. IEXT = 10 A (AC) (RA < 20 Ω)
    Max. IEXT = 2 A (AC) (RA > 20 Ω)
    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.
    • Models
      Model Name Description  
      Fluke 1623-2 Fluke 1623-2 GEO Earth Ground Tester
       

      Includes:

      • GEO Earth Ground Tester
      • User's Manual
      • Batteries
      • Quick Reference Guide
      • 2 Test Leads
      • USB Cable
    • Accessory Kits
      Model Name Description  
      Fluke ES 162P3-2 Fluke ES-162P3-2 3-Pole Stake Kit
      Fluke ES-162P4-2 Fluke ES-162P4-2 4-Pole Stake Kit
    • Cables & Hardware
      Model Name Description  
      Fluke Cable Reel 25M BL Fluke Cable Reel 25M BL
      Fluke Cable Reel 25M GR Fluke Cable Reel 25M GR
      Fluke Cable Reel 50M RD Fluke Cable Reel 50M RD
    • Current Clamps
      Model Name Description  
      Fluke EI-1623 Fluke EI-1623 Selective/Stakeless Clamp Set
      Fluke EI-162AC Fluke EI-162AC Clip-on Current Transformer (Inducing)
      Fluke EI 162BN Fluke EI-162BN 320 mm Diameter Split Core Transformer Fluke Store
      Fluke EI-162X Fluke EI-162X Clip-on Current Transformer (Sensing) with Shielded Cable Set
    • Other Accessories
      Model Name Description  
      Fluke GEO Fluke GEO Ground/Earth Stake 2
    • Related Products
      Model Name Description  
      Fluke 1625-2 Kit Fluke 1625-2 GEO Earth Ground Tester Kit
      Fluke 1625-2 Fluke 1625-2 GEO Earth Ground Tester
      Fluke 1623-2 Kit Fluke 1623-2 GEO Earth Ground Tester Kit
    • Manuals
      Title  
      1623-2 Users Manual Download
      1623-2 Uživatelská příručka Download
      1623-2 Users Manual Download
      1623-2 Users Manual Download
      1623-2 Users Manual Download
      1623-2 Users Manual Download
      1623-2 Users Manual Download
      1623-2 Users Manual Download
      1623-2 Users Manual Download
      1623-2 Users Manual Download
      1623-2 Users Manual Download
      1623-2 Users Manual Supplement Download
      1625-2 Users Manual Download
      1625-2 Users Manual Download
      1625-2 Users Manual Download
      1625-2 Users Manual Download
      1625-2 Users Manual Download
      1625-2 Users Manual Download
      1625-2 Users Manual Download
      1625-2 Users Manual Download
      1625-2 Users Manual Download
      1625-2 Users Manual Download
      1625-2 Users Manual Download
      1625-2 Users Manual Supplement Download
      1623-2/1625-2 Quick Reference Guide Download
      1623-2/1625-2 Safety Sheet Download
      1623-2/1625-2 Safety Sheet Download
      1623-2/1625-2 Safety Sheet Download
      1623-2/1625-2 Safety Sheet Download
      1623-2/1625-2 Safety Sheet Download
      1623-2/1625-2 Safety Sheet Download
      1623-2/1625-2 Safety Sheet Download
      1623-2/1625-2 Safety Sheet Download
      1623-2/1625-2 Safety Sheet Download
      1623-2/1625-2 Safety Sheet Download
      1623-2/1625-2 Safety Sheet Download
      1623-2/1625-2 Statement of Memory Volatility Download
    • Application Notes
      Title  
      Checking ground electrode impedance for commercial, industrial and residential buildings Download
      Earth ground testing for mine sites with Fluke 1625 Download
      Principles of earth grounding Download
      Taking care of an at-risk dam Download
    • Data Sheets
      Title  
      Fluke 1623-2 and 1625-2 Technical Data Sheet Download
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