The DT4281 is HIOKI’s top-of-the-line high-precision 60000 count digital multimeter with all of the functions and features required for advanced testing in complex power and electrical applications.
The ultimate digital multimeter, featuring a design focused on safety that’s critical for electrical work
The DT4281, which is part of Hioki’s DT4280 series of high-end digital multimeters, is designed for maximum safety in electrical work. Connect an AC clamp to safely measure current.
| DC Voltage range | 60.000 mV to 1000.0 V, 6 ranges, Basic accuracy: ±0.025 % rdg. ±2 dgt. |
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| AC Voltage* range | 60.000 mV to 1000.0 V, 6 ranges, Frequency characteristics: 20 Hz - 100 kHz Basic accuracy 45 - 65 Hz : ±0.2 % rdg. ±25 dgt. (True RMS, crest factor 3) |
| DC + AC Voltage* range | 6.0000 V to 1000.0 V, 4 ranges, Frequency characteristics: 20 Hz - 100 kHz Basic accuracy 45 - 65 Hz : ±0.3 % rdg. ±30 dgt. (True RMS, crest factor 3) |
| Resistance range | 60.000 Ω to 600.0 MΩ, 8 ranges, Basic accuracy: ±0.03 % rdg. ±2 dgt. |
| DC Current range | 600.00 μA to 600.00 mA, 4 ranges Basic accuracy: ±0.05 % rdg. ±5 dgt. |
| AC Current* range | 600.00 μA to 600.00 mA, 4 ranges Basic accuracy 45 - 65 Hz : ±0.6 % rdg. ±5 dgt. (True RMS, crest factor 3) Frequency characteristics: 20 Hz - 20 kHz (at 600 μA to 600 mA range) |
| AC Current* range (use with Clamp on probes) | 10.00 A to 1000 A, 7 ranges Add the Clamp on probe accuracy to Basic accuracy 40 - 65 Hz : ±0.6 % rdg. ±2 dgt. (True RMS, crest factor 3) |
| Peak | DC V measurement: Signal width 4 msec or more (single), 1 msec or more (repeated) AC V, DC/AC A measurement: Signal width 1 msec or more (single), 250 μsec or more (repeated) |
| Capacitance range | 1.000 nF to 100.0 mF, 9 ranges, Basic accuracy: ±1.0 % rdg. ±5 dgt. |
| Continuity Check | Continuity threshold: 20/50/100/500 Ω, Response time: 10 ms or more |
| Diode test | Open terminal voltage: 4.5 V or less, Testing current 1.2 mA or less, Threshold of forward voltage: 0.15 V to 3 V, seven stages |
| Frequency range | AC V, DC+AC V, AC A measurement, at pulse width 1 μs or more (50 % duty ratio) 99.999 Hz (0.5 Hz or more) to 500.00 kHz, 5 ranges, ±0.005 % rdg. ±3 dgt. |
| dB conversion | Standard impedance setting (dBm), 4 Ω to 1200 Ω, 20 stages Display dB conversion value of AC voltage (dBV) |
| Temperature (thermocouples) | K: -40.0 °C to 800.0 °C (-40.0 °F to 1472.0 °F) Add accuracy of the Thermocouple probe to main unit accuracy: ±0.5 % rdg. ±3 °C |
| Other functions | Filter function (remove harmonic noise, use only at 600 V AC, 1000 V AC ranges), display value hold, auto hold, MAX/MIN value display, PEAK value display, relative value display, sampling setting, internal memory (400 data), auto-power save, USB communication (option), mis-insertion prevention shutters, decibel conversion, 4-20 mA percentage conversion |
| Display | Main and sub displays: 5-digits LCD, max. 60000 digits |
| Display refresh rates | 5 times/s (Capacitance measurement: 0.05 to 2 times/s, depending on measured value, Temperature: 1 time/s ) |
| Power supply | LR6 (AA) alkaline batteries ×4, Continuous use: 100 hours |
| Dimensions and mass | 93 mm (3.66 in) W × 197 mm (7.76 in) H× 53 mm (2.09 in) D, 650 g (22.9 oz) (with test leads holder and batteries) |
| Included accessories | Test Lead L9207-10 ×1, Instruction Manual ×1, LR6 Alkaline Battery ×4 |
