Fluke 1625-2 GEO
Updated 2026-10-27
Specifications
Figures as the manufacturer states them on its product page or datasheet; each row links its data record.
- Dimensions
- 250 x 133 x 187 mm (9.75 x 5.25 x 7.35 in)
- Earth resistance accuracy
- ±(2% of reading + 2 digits)
- Earth resistance range
- 0.020 Ω to 300 kΩ
- Ingress protection
- IP56 (case); IP40 (battery door)
- Memory
- up to 1,500 records
- Operating temperature
- -10 °C to 50 °C (14 °F to 122 °F)
- Stakeless loop range
- 0.02 Ω to 199.9 Ω
- Test frequencies
- 94 Hz, 105 Hz, 111 Hz and 128 Hz; 55 Hz for the R* measurement
Data records
- The manufacturer's page for the 1625-2 was read on the date given in the value. Value: 2026-10-27.
- Fluke lists the 1625-2 GEO as an earth ground tester. Value: ground resistance tester.
- The 1625-2 GEO includes an automatic frequency control that selects the test frequency to reduce the effect of interference.
- The 1625-2 GEO performs three-pole and four-pole fall of potential earth resistance tests with stakes.
- The 1625-2 GEO stores measurement records in internal memory and transfers them over a USB port.
- The 1625-2 GEO performs selective earth ground rod testing with one current clamp and stakes.
- The 1625-2 GEO performs four-pole soil resistivity tests with stakes.
- The 1625-2 GEO performs stakeless ground loop testing with two current clamps.
- The 1625-2 is a product of Fluke. Value: Fluke.
- The manufacturer gives the model designation as 1625-2. Value: 1625-2.
- Fluke maintains a product page for the 1625-2 on its own website, which is the page cited for this entry.
- The manufacturer states the battery type of the 1625-2 GEO and the typical number of measurements per set of batteries. Value: 6 x 1.5 V alkaline (IEC LR6 or type AA); typ. 3,000 measurements (RE+RH ≤ 1 kΩ).
- The manufacturer states the dimensions of the 1625-2 GEO. Value: 250 x 133 x 187 mm (9.75 x 5.25 x 7.35 in).
- The manufacturer states an intrinsic accuracy for the earth resistance measurement of the 1625-2 GEO as a percentage of reading plus digits. Value: ±(2% of reading + 2 digits).
- The manufacturer states an earth resistance measuring range for the three-pole and four-pole tests of the 1625-2 GEO. Value: 0.020 Ω to 300 kΩ.
- The manufacturer states an ingress protection rating for the case and for the battery door of the 1625-2 GEO. Value: IP56 (case); IP40 (battery door).
- The manufacturer states an internal memory capacity for the 1625-2 GEO in records. Value: up to 1,500 records.
- The manufacturer states an operating temperature range for the 1625-2 GEO. Value: -10 °C to 50 °C (14 °F to 122 °F).
- The manufacturer states a measuring range for the stakeless two-clamp ground loop test of the 1625-2 GEO. Value: 0.02 Ω to 199.9 Ω.
- The manufacturer states the measuring frequencies of the 1625-2 GEO, selected by hand or by the automatic frequency control. Value: 94 Hz, 105 Hz, 111 Hz and 128 Hz; 55 Hz for the R* measurement.
- The manufacturer states a weight for the 1625-2 GEO without accessories and a weight for the full kit with accessories and batteries in its case. Value: ≤1.1 kg (2.43 lb) without accessories; 7.6 kg (16.8 lb) with accessories and batteries in the case.
- The product page names IEC 61010-1 in the safety entry of the 1625-2 GEO, for the maximum voltage to earth; the page gives no edition. Value: IEC 61010-1.
- The product page names IEC 61557-5 as the standard the earth resistance measuring method of the 1625-2 GEO follows; the page gives no edition. Value: IEC 61557-5.
- The catalog name of the model is written Fluke 1625-2 GEO. Value: Fluke 1625-2 GEO.
Sources
- Fluke product page, Fluke 1625-2 GEO Earth Ground Tester With (AFC) | Fluke, web page edition, Fluke. Held as: Public page. Publisher page
Changelog (53 entries)
| Date | Revision | Change |
|---|---|---|
| 2026-10-27 | created (prod.fluke-1625-2.checked) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.checked) | |
| 2026-10-27 | created (prod.fluke-1625-2.class) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.class) | |
| 2026-10-27 | created (prod.fluke-1625-2.function.automatic-frequency-control) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.function.automatic-frequency-control) | |
| 2026-10-27 | created (prod.fluke-1625-2.function.fall-of-potential) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.function.fall-of-potential) | |
| 2026-10-27 | created (prod.fluke-1625-2.function.memory-usb) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.function.memory-usb) | |
| 2026-10-27 | created (prod.fluke-1625-2.function.selective-rod-test) | |
| 2026-10-27 | revised (prod.fluke-1625-2.function.selective-rod-test) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.function.selective-rod-test) | |
| 2026-10-27 | created (prod.fluke-1625-2.function.soil-resistivity) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.function.soil-resistivity) | |
| 2026-10-27 | created (prod.fluke-1625-2.function.stakeless-loop-test) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.function.stakeless-loop-test) | |
| 2026-10-27 | created (prod.fluke-1625-2.manufacturer) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.manufacturer) | |
| 2026-10-27 | created (prod.fluke-1625-2.model) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.model) | |
| 2026-10-27 | created (prod.fluke-1625-2.product-page) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.product-page) | |
| 2026-10-27 | created (prod.fluke-1625-2.spec.battery) | |
| 2026-10-27 | revised (prod.fluke-1625-2.spec.battery) | |
| 2026-10-27 | revised (prod.fluke-1625-2.spec.battery) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.battery) | |
| 2026-10-27 | created (prod.fluke-1625-2.spec.dimensions) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.dimensions) | |
| 2026-10-27 | created (prod.fluke-1625-2.spec.earth-resistance-accuracy) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.earth-resistance-accuracy) | |
| 2026-10-27 | created (prod.fluke-1625-2.spec.earth-resistance-range) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.earth-resistance-range) | |
| 2026-10-27 | created (prod.fluke-1625-2.spec.ingress-protection) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.ingress-protection) | |
| 2026-10-27 | created (prod.fluke-1625-2.spec.memory) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.memory) | |
| 2026-10-27 | created (prod.fluke-1625-2.spec.operating-temperature) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.operating-temperature) | |
| 2026-10-27 | created (prod.fluke-1625-2.spec.stakeless-loop-range) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.stakeless-loop-range) | |
| 2026-10-27 | created (prod.fluke-1625-2.spec.test-frequencies) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.test-frequencies) | |
| 2026-10-27 | created (prod.fluke-1625-2.spec.weight) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.weight) | |
| 2026-10-27 | created (prod.fluke-1625-2.standard.iec-61010-1) | |
| 2026-10-27 | revised (prod.fluke-1625-2.standard.iec-61010-1) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.standard.iec-61010-1) | |
| 2026-10-27 | created (prod.fluke-1625-2.standard.iec-61557-5) | |
| 2026-10-27 | revised (prod.fluke-1625-2.standard.iec-61557-5) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.standard.iec-61557-5) | |
| 2026-10-27 | created (prod.fluke-1625-2.title) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.fluke-1625-2.title) |
Cite this page
Cite the governing standard for the fact itself; cite this page as the finding aid.
"Fluke 1625-2 GEO." Test Instrument Reference. 2026-10-27. https://www.testinstrumentreference.com/products/fluke-1625-2/.
Test Instrument Reference, Fluke 1625-2 GEO (Oct. 27, 2026), https://www.testinstrumentreference.com/products/fluke-1625-2/.
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title = {Fluke 1625-2 GEO},
howpublished = {\url{https://www.testinstrumentreference.com/products/fluke-1625-2/}},
organization = {Test Instrument Reference},
publisher = {Test Instrument Reference},
year = {2026},
note = {last substantive change 2026-10-27}
}{{cite web |title=Fluke 1625-2 GEO |website=Test Instrument Reference |publisher=Test Instrument Reference |url=https://www.testinstrumentreference.com/products/fluke-1625-2/ |date=2026-10-27 |access-date=}}