Fluke 1625-2 GEO

Updated 2026-10-27

Fluke 1625-2 GEO, ground resistance tester
Image: Fluke, from its product page (www.fluke.com)

Specifications

Figures as the manufacturer states them on its product page or datasheet; each row links its data record.

Earth resistance accuracy
±(2% of reading + 2 digits)
Earth resistance range
0.020 Ω to 300 kΩ
Stakeless loop range
0.02 Ω to 199.9 Ω

Data records

  • The manufacturer's page for the 1625-2 was read on the date given in the value. Value: 2026-10-27. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.checked
  • Fluke lists the 1625-2 GEO as an earth ground tester. Value: ground resistance tester. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.class
  • The 1625-2 GEO includes an automatic frequency control that selects the test frequency to reduce the effect of interference. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.function.automatic-frequency-control
  • The 1625-2 GEO performs three-pole and four-pole fall of potential earth resistance tests with stakes. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.function.fall-of-potential
  • The 1625-2 GEO stores measurement records in internal memory and transfers them over a USB port. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.function.memory-usb
  • The 1625-2 GEO performs selective earth ground rod testing with one current clamp and stakes. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.function.selective-rod-test
  • The 1625-2 GEO performs four-pole soil resistivity tests with stakes. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.function.soil-resistivity
  • The 1625-2 GEO performs stakeless ground loop testing with two current clamps. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.function.stakeless-loop-test
  • The 1625-2 is a product of Fluke. Value: Fluke. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.manufacturer
  • The manufacturer gives the model designation as 1625-2. Value: 1625-2. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.model
  • Fluke maintains a product page for the 1625-2 on its own website, which is the page cited for this entry. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.product-page
  • 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). Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.spec.battery
  • 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). Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.spec.dimensions
  • 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). Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.spec.earth-resistance-accuracy
  • 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. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.spec.earth-resistance-range
  • 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). Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.spec.ingress-protection
  • The manufacturer states an internal memory capacity for the 1625-2 GEO in records. Value: up to 1,500 records. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.spec.memory
  • The manufacturer states an operating temperature range for the 1625-2 GEO. Value: -10 °C to 50 °C (14 °F to 122 °F). Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.spec.operating-temperature
  • 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. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.spec.stakeless-loop-range
  • 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. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.spec.test-frequencies
  • 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. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.spec.weight
  • 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. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.standard.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. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.standard.iec-61557-5
  • The catalog name of the model is written Fluke 1625-2 GEO. Value: Fluke 1625-2 GEO. Source: Fluke product page, web page edition. Verified 2026-10-27. Record prod.fluke-1625-2.title

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)
DateRevisionChange
2026-10-27created (prod.fluke-1625-2.checked)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.checked)
2026-10-27created (prod.fluke-1625-2.class)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.class)
2026-10-27created (prod.fluke-1625-2.function.automatic-frequency-control)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.function.automatic-frequency-control)
2026-10-27created (prod.fluke-1625-2.function.fall-of-potential)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.function.fall-of-potential)
2026-10-27created (prod.fluke-1625-2.function.memory-usb)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.function.memory-usb)
2026-10-27created (prod.fluke-1625-2.function.selective-rod-test)
2026-10-27revised (prod.fluke-1625-2.function.selective-rod-test)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.function.selective-rod-test)
2026-10-27created (prod.fluke-1625-2.function.soil-resistivity)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.function.soil-resistivity)
2026-10-27created (prod.fluke-1625-2.function.stakeless-loop-test)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.function.stakeless-loop-test)
2026-10-27created (prod.fluke-1625-2.manufacturer)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.manufacturer)
2026-10-27created (prod.fluke-1625-2.model)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.model)
2026-10-27created (prod.fluke-1625-2.product-page)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.product-page)
2026-10-27created (prod.fluke-1625-2.spec.battery)
2026-10-27revised (prod.fluke-1625-2.spec.battery)
2026-10-27revised (prod.fluke-1625-2.spec.battery)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.battery)
2026-10-27created (prod.fluke-1625-2.spec.dimensions)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.dimensions)
2026-10-27created (prod.fluke-1625-2.spec.earth-resistance-accuracy)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.earth-resistance-accuracy)
2026-10-27created (prod.fluke-1625-2.spec.earth-resistance-range)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.earth-resistance-range)
2026-10-27created (prod.fluke-1625-2.spec.ingress-protection)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.ingress-protection)
2026-10-27created (prod.fluke-1625-2.spec.memory)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.memory)
2026-10-27created (prod.fluke-1625-2.spec.operating-temperature)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.operating-temperature)
2026-10-27created (prod.fluke-1625-2.spec.stakeless-loop-range)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.stakeless-loop-range)
2026-10-27created (prod.fluke-1625-2.spec.test-frequencies)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.test-frequencies)
2026-10-27created (prod.fluke-1625-2.spec.weight)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.spec.weight)
2026-10-27created (prod.fluke-1625-2.standard.iec-61010-1)
2026-10-27revised (prod.fluke-1625-2.standard.iec-61010-1)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.standard.iec-61010-1)
2026-10-27created (prod.fluke-1625-2.standard.iec-61557-5)
2026-10-27revised (prod.fluke-1625-2.standard.iec-61557-5)
2026-10-27review_status unreviewed -> software_reviewed (prod.fluke-1625-2.standard.iec-61557-5)
2026-10-27created (prod.fluke-1625-2.title)
2026-10-27review_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/.