The Hioki DT4261 Digital Multimeter offers all the necessary features required by professional technicians around the world with a super-fast response rate and safety features that take electrical testing to the next level.
- True RMS multimeter
- CAT IV 600V / CAT III 1000V
- LoZ range to minimize “Ghost” AC Voltages
- DC voltage range: 600 mV to 1000 V
- AC voltage range: 6 V to 1000 V
- Measure a wide variety of parameters such as AC/DC voltage, AC/DC current, frequency, capacitance, diode, resistance and continuity
- Drop proof up to 1 meter
- -25C to 65C operating temperature
- IP54 environmental protection
- Optional Bluetooth adapter Z3210 which allows connection with Gennect Cross
Key Benefits That Transform Your Workflow
Harmonic Analysis Without Expensive Power Analyzers: When paired with the optional Z3210 Wireless Adapter and free GENNECT Cross app, the DT4261 performs harmonic measurement up to the 30th harmonic. This is game-changing for solar installers checking inverter power quality, industrial sparkies troubleshooting nuisance tripping, or maintenance teams investigating equipment overheating. You can identify harmonic issues that cause transformer overheating, capacitor bank failures, and neutral conductor overloading—problems that cost thousands in equipment damage and downtime. Instead of hiring a power quality consultant with expensive analyzers, your techs can perform initial harmonic surveys during routine maintenance.
Wireless Data Transfer and Excel Integration: The optional Z3210 adapter enables Bluetooth connectivity to your smartphone or tablet. Take measurements, snap photos of the installation, annotate drawings, and generate professional reports—all from the job site. The Excel Direct Input function is particularly powerful: open your test sheet template, press measure, and readings populate directly into your Excel spreadsheet. No more manual transcription errors, no more hours back at the office re-entering data. For compliance testing, commissioning reports, or periodic inspection documentation, this feature alone saves hours per project.
Clamp Meter Capability Built-In: The DT4261 accepts clamp-on current probes for non-contact current measurement from 10A to 1000A. Connect a compatible HIOKI clamp probe (sold separately), and you’ve got the functionality of two instruments in one. Check motor loads, balance three-phase systems, or verify circuit loading without breaking connections—essential for live electrical work on commercial and industrial installations.
Integrated Test Lead Caps—Never Lose Protection Again: The supplied L9300 test leads feature a clever integrated cap design. Slide the protective finger guard to change measurement categories (CAT II to CAT III 1000V) without removing separate caps. No more lost caps in the bottom of your tool bag, no more exposed probe tips creating safety hazards. It’s a small detail that makes daily use significantly safer and more convenient.
Terminal shutter closes on unused terminals depending on the measurement function
The DT4261’s terminal shutters are linked to the instrument’s rotary switch. They block access to test lead terminals that aren’t being used, making it physically impossible to insert a lead into the wrong terminal.
Prevents incorrect current measurement with the Fuse Check function
When switching from the clamp function to the current function, a fuse disconnection check is automatically performed. This allows the user to know if the fuse is broken before current measurement, which prevents erroneous measurement.
Automatic switching of measurement in locations where AC and DC voltages are mixed
When making measurements in locations with both AC and DC voltages, automatic switching eliminates the need to operate the rotary switch and helps prevent measurement mistakes.












