Fluke 1623 Basic GEO Earth Ground Tester Kit

The Fluke 1623 is perfect for performing predictive maintenance checks of commerical and industrial applications.

The Fluke 1623 is an all-in-one earth ground tester, offering 'one-button' simplicity. Not only measure ground resistance using the classic 'fall of potential test' but also enable time saving testing using the 'selective' and 'stakeless' methods.  'Selective' testing does not require the electrode under test to be disconnected during the measurement, thus increasing safety.  The simple 'stakeless' method quickly checks ground connections using two current transformers (probes) clamped around the ground conductor under test.

Testing Methods

• 3- and 4-Pole Fall of Potential – standard earth ground testing using two ground stakes
• 4-Pole Soil Resistivity testing – determine soil resistivity using four 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.

Earth ground resistance and soil resistivity should be measured when:

• Designing earth ground systems
• Installing new ground system and electrical equipment
• Periodically testing ground and lightning protection systems
• Installing large electrical equipment such as transformers, switchgears, machines, etc.

The Fluke 1623 is the stand-alone unit
For an advanced model see the Fluke 1625
What's Included:

• Fluke 1623 tester
• 2 test leads
• 2 alligator clips
  
• 4 earth ground stakes
• 3 cable reels with wire (2-25 m, 1-50 m)
• selective/stakeless clamp set (one inducing, one sensing)
• Batteries
• Users manual
• Rugged carrying case

Full Review

• One-button measurement concept
• 3- and 4-pole earth ground measurement
• 4-Pole soil resistivity testing
• 2-pole resistance measurement AC
• Selective testing, no disconnection of ground conductor (1 clamp)
• Stakeless testing, quick ground loop testing (2 clamps)
• Measuring frequency 128 Hz

RA 3-pole ground resistance measurement (IEC 1557-5)
Measuring Voltage	Vm = 48 V ac
Short circuit current	> 50 mA
Measure frequency	128 Hz
Resolution	0.001 Ω to 10 Ω
Measuring range	0.001 Ω to 19.99 kΩ
Intrinsic error	± (2 % of reading + 3 digit)
Operating error	± (5 % of reading + 3 d)

RA 4-pole ground resistance measurement (IEC 1557-5)
Measuring Voltage	Vm = 48 V ac
Short circuit current	> 50 mA
Measure frequency	128 Hz
Resolution	0.001 Ω to 10 Ω
Measuring range	0.001 Ω to 19.99 kΩ
Intrinsic error	± (2 % of reading + 3 d)
Operating error	± (5 % of reading + 3 d)

RA 3-pole ground resistance measurement with current clamp
Measuring Voltage	Vm = 48 V ac
Short circuit current	> 50 mA
Measure frequency	128 Hz
Resolution	0.001 Ω to 10 Ω
Measuring range	0.001 Ω to 19.99 kΩ
Intrinsic error	± (7 % of reading + 3 d)
Operating error	± (10 % of reading + 5 d)

RA 4-pole selective ground resistance measurement with current clamp
Measuring Voltage	Vm = 48 V ac
Short circuit current	> 50 mA
Measure frequency	128 Hz
Resolution	0.001 Ω to 10 Ω
Measuring range	0.001 Ω to 19.99 kΩ
Intrinsic error	± (7 % of reading + 3 d)
Operating error	± (10 % of reading + 5 d)

Stakeless ground loop measurement
Measuring Voltage	Vm = 48 V ac
Measure frequency	128 Hz (125 Hz on request)
Noise current (Iext)	Max. Iext = 10 A (ac) (RA < 20 Ω) Max. Iext = 2 A (ac) (RA < 20 Ω)
Resolution	0.001 Ω to 0.1 Ω
Measuring range	0.001 Ω to 199.9 kΩ
Intrinsic error	± (7 % of reading + 3 d)
Operating error	± (10 % of reading + 5 d)

Environmental Specifications
Working temperature	-10 °C to +50 °C
Operating Temperature	0 °C to +35 °C
Nominal temperature	+18 °C to +28 °C
Storage Temperature	-20 °C to +60 °C
Climatic class	C1 (IEC 654-1), -5 °C to + 45 °C, 5 % to 95 % RH
Protection Class	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
Size	133 mm x 187 mm x 250 mm
Weight	1.1 kg (including batteries)
Warranty	Two years
Battery Life	Typical > 3000 measurements

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