Hioki RM3548-50
Updated 2026-10-27
Specifications
Figures as the manufacturer states them on its product page or datasheet; each row links its data record.
- Dimensions and weight
- approx. 199 mm W x 132 mm H x 60 mm D, approx. 890 g
- Measurement accuracy
- ±0.020 % rdg. ±0.007 % f.s.
- Memory storage
- up to 1000 data points (manual/auto), up to 6000 (interval), interval 0.2 s to 10.0 s in 0.2 s steps
- Open terminal voltage
- 5.5 V
- Overvoltage protection
- 60 V
- Power supply
- LR6 alkaline batteries x8 or HR6 nickel-metal hydride batteries x8, continuous use approx. 10 hours
- Resistance range
- 3 mΩ range (3.5000 mΩ display max., 0.1 µΩ resolution) to 3 MΩ range (3.5000 MΩ display max., 100 Ω resolution), 10 steps
- Temperature measurement
- -10.0 °C to 99.9 °C, accuracy ±0.5 °C
- Testing current
- 1 A DC at the 3 mΩ range to 500 nA DC at the 3 MΩ range
Data records
- The manufacturer's page for the RM3548-50 was read on the date given in the value. Value: 2026-10-27.
- Hioki lists the RM3548-50 as a handheld precision resistance meter for measurements from microohms to megaohms. Value: low resistance ohmmeter.
- The RM3548-50 compares readings with set limits in absolute or percentage form and gives a pass or fail judgment.
- The RM3548-50 stores readings in internal memory, which a computer reads as a mass storage device over USB, and sends readings wirelessly to a mobile application or spreadsheet when the optional Z3210 wireless adapter is fitted.
- The RM3548-50 converts a measured resistance to an estimated cable length.
- The RM3548-50 stops a measurement and alerts the user when a live voltage is detected at its inputs.
- The RM3548-50 measures resistance by the four-wire method with an offset voltage compensation function.
- The RM3548-50 corrects a measured resistance to the resistance value at a particular temperature with the bundled temperature sensor, and converts a measured resistance to an estimated motor temperature.
- The RM3548-50 is a product of Hioki. Value: Hioki.
- The manufacturer gives the model designation as RM3548-50. Value: RM3548-50.
- Hioki maintains a product page for the RM3548-50 on its own website, which is the page cited for this entry.
- The manufacturer states the approximate dimensions and weight of the RM3548-50 including the protector and batteries. Value: approx. 199 mm W x 132 mm H x 60 mm D, approx. 890 g.
- The manufacturer states the resistance measurement accuracy of the RM3548-50. Value: ±0.020 % rdg. ±0.007 % f.s..
- The manufacturer states the number of readings the RM3548-50 stores and the interval range for interval recording. Value: up to 1000 data points (manual/auto), up to 6000 (interval), interval 0.2 s to 10.0 s in 0.2 s steps.
- The manufacturer states the maximum open-terminal voltage of the RM3548-50. Value: 5.5 V.
- The manufacturer states the live voltage up to which the automatic overvoltage protection of the RM3548-50 safeguards the measurement circuit. Value: 60 V.
- The manufacturer states the battery types and approximate continuous operating time of the RM3548-50. Value: LR6 alkaline batteries x8 or HR6 nickel-metal hydride batteries x8, continuous use approx. 10 hours.
- The manufacturer states the resistance ranges, display maxima and resolution of the RM3548-50. Value: 3 mΩ range (3.5000 mΩ display max., 0.1 µΩ resolution) to 3 MΩ range (3.5000 MΩ display max., 100 Ω resolution), 10 steps.
- The manufacturer states the temperature measurement range and combined accuracy of the RM3548-50 with the Z2002 temperature sensor. Value: -10.0 °C to 99.9 °C, accuracy ±0.5 °C.
- The manufacturer states the DC test current of the RM3548-50 at its lowest and highest ranges. Value: 1 A DC at the 3 mΩ range to 500 nA DC at the 3 MΩ range.
- Hioki states on the product page that the RM3548-50 provides the minimum measurement current that UN ECE R100 requires for equipotential bonding tests on electric vehicles; the page gives no edition. Value: UN ECE R100.
- The catalog name of the model is written Hioki RM3548-50. Value: Hioki RM3548-50.
Sources
- Hioki product page, Resistance Meter RM3548-50 | Handheld, µΩ to MΩ | HIOKI, web page edition, Hioki. Held as: Public page. Publisher page
Changelog (47 entries)
| Date | Revision | Change |
|---|---|---|
| 2026-10-27 | created (prod.hioki-rm3548-50.checked) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.checked) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.class) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.class) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.function.comparator) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.function.comparator) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.function.data-logging) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.function.data-logging) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.function.length-conversion) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.function.length-conversion) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.function.overvoltage-protection) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.function.overvoltage-protection) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.function.resistance-measurement) | |
| 2026-10-27 | revised (prod.hioki-rm3548-50.function.resistance-measurement) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.function.resistance-measurement) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.function.temperature-correction) | |
| 2026-10-27 | revised (prod.hioki-rm3548-50.function.temperature-correction) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.function.temperature-correction) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.manufacturer) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.manufacturer) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.model) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.model) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.product-page) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.product-page) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.spec.dimensions-and-weight) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.spec.dimensions-and-weight) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.spec.measurement-accuracy) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.spec.measurement-accuracy) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.spec.memory-storage) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.spec.memory-storage) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.spec.open-terminal-voltage) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.spec.open-terminal-voltage) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.spec.overvoltage-protection) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.spec.overvoltage-protection) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.spec.power-supply) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.spec.power-supply) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.spec.resistance-range) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.spec.resistance-range) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.spec.temperature-measurement) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.spec.temperature-measurement) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.spec.testing-current) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.spec.testing-current) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.standard.un-ece-r100) | |
| 2026-10-27 | revised (prod.hioki-rm3548-50.standard.un-ece-r100) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.standard.un-ece-r100) | |
| 2026-10-27 | created (prod.hioki-rm3548-50.title) | |
| 2026-10-27 | review_status unreviewed -> software_reviewed (prod.hioki-rm3548-50.title) |
Cite this page
Cite the governing standard for the fact itself; cite this page as the finding aid.
"Hioki RM3548-50." Test Instrument Reference. 2026-10-27. https://www.testinstrumentreference.com/products/hioki-rm3548-50/.
Test Instrument Reference, Hioki RM3548-50 (Oct. 27, 2026), https://www.testinstrumentreference.com/products/hioki-rm3548-50/.
@misc{etr-products-hioki-rm3548-50,
title = {Hioki RM3548-50},
howpublished = {\url{https://www.testinstrumentreference.com/products/hioki-rm3548-50/}},
organization = {Test Instrument Reference},
publisher = {Test Instrument Reference},
year = {2026},
note = {last substantive change 2026-10-27}
}{{cite web |title=Hioki RM3548-50 |website=Test Instrument Reference |publisher=Test Instrument Reference |url=https://www.testinstrumentreference.com/products/hioki-rm3548-50/ |date=2026-10-27 |access-date=}}