
Fluke 1625-2 GEO Earth Ground Tester Kit
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Product Description
The Fluke 1625-2 GEO Earth Ground Tester Kit is a unique earth ground tester that can perform all four types of earth ground measurement including stakeless and staked earth ground measurement.
Technical Specifications
- Manufacturer part number (MPN)
- 4325181
- Brand
- Fluke
- Category
- Tools
- Memory
- Internal memory storage up to 1500 records accessible via USB port
- Measuring function
- Interference voltage and frequency, earthing resistance 3- and 4-pole with/without clip-on current transformer, resistance 2-pole with AC, 2- and 4-pole with DC
- Display
- 4 digit (2999 Digit) - 7 segment liquid crystal display, with improved visibility
- Operation
- Central rotary switch and function keys
- 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 28°C
- Type of protection
- IP56 for case, IP40 for battery door according to EN60529
- Max voltage
- Warning – socket "clamp" to socket E, ES, S or H
- Safety
- Protection by double and/or reinforced insulation. Max. 50 V to earth per IEC61010-1. Pollution degree 2
- Quality standard
- Developed, designed and manufactured to comply with DIN ISO 9001
- External field influence
- Complies with DIN 43780 (8/76)
- Auxiliary power
- 6 x 1.5 V alkaline (IEC LR6 or type AA)
- Battery life span
- With IEC LR6/type AA: typ. 3,000 measurements (RE+RH ≤ 1 kΩ)
- 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) without accessories 7.6 kg (16.8 lb) incl. accessories and batteries in carrying case
- Case material
- Polyester
- Measuring range
- 1 V to 50 V
- Display range
- 0.0 V to 50 V
- Resolution
- 0.1 V
- Frequency range
- DC/AC 45 Hz to 400 Hz its
- Accuracy
- ±(5% of rdg + 5 digit)
- Measuring sequence
- Approx. 4 measurements/s
- Internal resistance
- Approx. 1.5 MΩ
- Max. overload
- Urms = 250 V
- Range
- 1 V to 50 V
- Measuring method
- Current and voltage measurement with probe as IEC61557-5
- Open circuit voltage
- 20/48 V, AC
- Short circuit current
- 250 mA AC
- Measuring frequency
- 94, 105, 111, 128 Hz selected manually or automatic. (AFC) 55 Hz in function R1
- Noise rejection
- 120 dB (16 2/3 , 50 , 60, 400 Hz)
- Reference Conditions or Specified Operating Range
- Designation Code
- Intrinsic error Reference conditions
- A
- Position Reference position ±90°
- E1
- Supply voltage At the limits stated by the manufacturer
- E2
- Temperature 0°C and 35°C
- E3
- Series interference voltage See 4.2 and 4.3
- E4
- 0 to 100 x RA but ≤ 50 kΩ
- E5
- System frequency 99% to 101% of the nominal frequency
- E7
- System voltage 85% to 110% of the nominal voltage
- E8
- Operating error B = ±(|A| + 1,15 √E21 E22 E23 E24 E25 E26 )
- Part 5, 4.3
- Operating error
- ±(5% of rdg + 5 digit)
- Measuring time
- Typical 8 seconds with a fixed frequency 30 sec. max. with AFC and complete cycle of all measuring frequencies
- Measuring error of RH and RS
- Typ. 10% of RE + RS + RH
- Max. probe resistance
- ≤ 1 MΩ
- Max. auxiliary earth electrode resistance
- ≤ 1 MΩ
- RH with Umeas = 48 V
- < 300 Ω
- RH with Umeas = 20 V
- < 250 Ω
- Minimal current in single branch to be measured 0.5 mA
- With transformer (1000:1)
- Minimal current in single branch to be measured 0.1 mA
- With transformer (200:1)
- Max. interference current through transformer 3 A
- With transformer (1000:1)
- Measuring voltage
- 20 V AC, square pulse
- Max. interference voltage
- 24 V, with higher voltages measurement will not be started
- Formation of measured value
- With 4-pole measurement wires on H, S, ES can be extended without additional error. Resistances > 1 Ω in wire E can cause additional error of 5m Ω/Ω.
- Maximum interference voltage
- ≤ 3 V AC or DC, with higher voltages measurement will not be started
- Maximum inductivity
- 2 Henry
- Maximum overload
- Urms = 250 V
- Switch position
- RA 4-pole (two clamp Stakeless)
- Noise current (IEXT)
- Max. IEXT = 10 A (AC) (RA < 20 Ω)
Standards & Compliance
- HS Code
- 9030.33
Cross References
- OEM-URL https://www.fluke.com/en-us/product/electrical-testing/earth-ground/fluke-1625-2-kit
Product Documentation
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Catalogue entry last verified: 2026-10-03. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 4325181?
- 4325181 can be ordered from cballast.com as a Fluke catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Fluke product?
- The manufacturer part number is 4325181.
- What is the HS code for 4325181?
- The customs tariff (HS) code for 4325181 is 9030.33.
- Who manufactures 4325181?
- 4325181 is a Fluke product in the Safety & Detection range.
- Is a datasheet available for 4325181?
- Yes — the 4325181 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 4325181?
- The minimum order quantity is 1.
- Is 4325181 available?
- Yes — 4325181 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
