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Fluke 1577 Insulation Multimeter

Fluke 1623-2 GEO Earth Ground Tester

Brand
Fluke
Model number
1623-2

Earth ground tester for 3- and 4-pole fall-of-potential, soil resistivity, selective and stakeless testing; USB download.

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Key features

  • A unique earth ground tester that performs fast, accurate testing with and without stakes
  • Tests 3- and 4-pole fall-of-potential, and 4-pole soil resistivity (with stakes)
  • Performs selective earth ground rod testing (one clamp + stakes)
  • Performs stakeless earth ground rod testing (two clamps)
  • Features IP56 rating for outdoor use

Specifications

General Specifications
Display - 1999 digit LCDDisplay with special symbols, digit height 25 mm, fluorescent backlight
User interfaceInstant measurement through TURN and START one button concept. The only operating elements are rotary switch and START button
Robust, water and dust resistantInstrument is designed for tough environmental conditions (rubber protective cover, IP56)
MemoryInternal 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 errorRefers to the reference temperature range and is guaranteed for 1 year
Operating errorRefers to the operating temperature range and is guaranteed for 1 year
Climatic classC1 (IEC 654-1), -5°C to +45°C (23° to +115° F), 5% to 95% RH
Protective typeIP56 for case, IP40 for battery door according to EN60529
SafetyProtection by double and/or reinforced insulation. max. 50 V to earth. IEC61010-1: Pollution degree 2
Quality systemDeveloped, designed and manufactured according to DIN ISO 9001
External voltageV 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 timeTypical 6 seconds
Max. overload250 V rms (pertains to misuse)
Auxiliary power6 x 1.5 V Alkaline (type AA LR6)
Battery life spanTypical > 3,000 measurements
Dimensions (W x H x D)250 x 133 x 187 mm (9.75 x 5.25 x 7.35 in)
Weight1.1 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 positionRA 3-pole
Resolution0.001 Ω to 10 Ω
Measuring range0.020 Ω to 19.99 kΩ
Accuracy±⁠(2% rdg + 3 d)
Operating error±⁠(5% rdg + 3 d)
Measuring Principle - Current/Voltage Measurement
Measuring voltageVm = 48 V AC
Short-circuit current> 50 mA
Measure frequency128 Hz
Probe resistance (RS)Max 100 kΩ
Auxiliary earth electrode resistance (RH)Max 100 kΩ
Additional error from RH and RSRH[kΩ]•••RS[kΩ]/RA[Ω]•••0.2%
Probe resistance (RS + RES)Max 100 kΩ
Switch positionRA 3-pole with clamp; RA 4-pole with clamp
Resolution0.001 Ω to 10 Ω
Measuring range0.020 Ω to 19.99 kΩ
Accuracy±⁠(7% rdg + 3 d)
Operating error±⁠(10% rdg + 5 d)
RA 4-Pole Ground Resistance Measurement (IEC 1557-5)
Switch positionRA 4-pole
Resolution0.001 Ω to 10 Ω
Measuring range0.020 Ω to 19.99 kΩ
Accuracy±⁠(2% rdg + 3 d)
Operating error±⁠(5% rdg + 3 d)
Stakeless Ground Loop Measurement (2 Clamps)
Switch positionRA 4-pole 2 clamps
Resolution0.001 Ω to 10 Ω
Measuring range0.020 Ω to 19.99 kΩ
Accuracy±⁠(7% rdg + 3 d)
Operating error±⁠(10% rdg + 5 d)
Measuring voltageVm = 48 V AC
Measure frequency128 Hz
Noise current (IEXT)Max. IEXT = 10 A (AC) (RA < 20 Ω); Max. IEXT = 2 A (AC) (RA > 20 Ω)
Supplied with
ContentsGEO Earth Ground Tester; User’s Manual; Batteries; Quick Reference Guide; 2 Test Leads; USB Cable

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

About the 1623-2

The Fluke 1623-2 performs all four earth ground tests: 3- and 4-pole fall-of-potential, 4-pole soil resistivity, selective testing with one clamp and stakes, and stakeless testing with two clamps. Data can be stored and downloaded over USB.

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