Fluke 1625-2-KIT Offers
Stakeless Testing
The Fluke 1625-2-KIT 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 1625-2-KIT is a unique earth ground tester that can performs all four types of earth ground measurement:
Features
3- and 4-pole earth ground measurement (using stakes)
4-Pole soil resistivity testing (using stakes)
Selective testing (using 1 clamp and stakes)
Stakeless testing (using 2 clamps only)Fluke 1625-2-KIT Offers
Stakeless Testing
The Fluke 1625-2-KIT 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 1625-2-KIT is a unique earth ground tester that can performs all four types of earth ground measurement:
Features
3- and 4-pole earth ground measurement (using stakes)
4-Pole soil resistivity testing (using stakes)
Selective testing (using 1 clamp and stakes)
Stakeless testing (using 2 clamps only)
Specifications
Temperature Range
Operating Temperature
14 to 122°F (-10 to 50°C)
Storage Temperature
-22 to 140°F (-30 to 60°C)
Temperature Coefficient
±0.1% of reading/°C <18°C >28°C
Error
Intrinsic: Refers to the reference temperature range and is guaranteed for one year
Operating: Refers to the operating temperature range and is guaranteed for one year
Climatic Class
C1 (IEC 654-1), 23 to 115°F (-5 to 45°C), 5 to 95% RH
Protective Type
IP56 for case, IP40 for battery door according to EN60529
Safety
Protection by double and/or reinforced insulation maximum 50 V to earth. IEC61010-1: 300V CAT II, Pollution degree two
EMC (Emission Immunity)
IEC61326-1: Portable
Quality System
Developed, designed, and manufactured according to DIN ISO 9001
External Voltage
V external, maximum = 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 six seconds
Maximum Overload
250 V rms (pertains to misuse)
Auxiliary Power
6 x 1.5 V Alkaline (type AA LR6)
Battery Life Span
Typical >3000 measurements
RA 3-Pole Ground Resistance Measurement (IEC 1557-5)
Switch Position
RA 3-pole
Resolution
0.001 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)
Maximum 100 kΩ
Auxiliary Earth Electrode Resistance (RH)
Maximum 100 kΩ
Additional Error from RH and RS
RH[kΩ]RS[kΩ]/RA[Ω]0.2%
RA 4-Pole Ground Resistance Measurement (IEC 1557-5)
Switch Position
RA 4-pole
Resolution
0.001 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)
Maximum 100 kΩ
Auxiliary Earth Electrode Resistance (RH)
Maximum 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 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)
Maximum 100 kΩ
Auxiliary Earth Electrode Resistance (RH)
Maximum 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 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)
Maximum 100 kΩ
Auxiliary Earth Electrode Resistance (RH)
Maximum 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 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)
Maximum IEXT = 10 A (ac) (RA <20 Ω)
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
Dimensions
9.75 x 5.25 x 7.35" (250 x 133 x 187 mm)
Weight
2.43 lbs (1.1 kg) including batteries
16.8 lbs (7.6 kg) included accessories and batteries in carrying case
Click here for complete specifications on the Fluke 1625-2-KIT
What's included with the Fluke 1625-2-KIT Includes
Fluke 1625-2 Tester
2 x Test Leads
4 x Earth Ground Stakes
3 x Cable Reels with Wire (2-25 m, 1-50 m)
2 x Clamps (one inducing, one sensing)
Batteries
Users Manual
Quick Reference Guide
USB Cable
C1620 Professional Carrying Case
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