Hioki DT4281 DIGITAL MULTIMETER
Introducing the Hioki DT4281 Digital Multimeter – the ultimate tool for advanced testing in complex power and electrical applications. As part of the DT4280 series of high-end digital multimeters, the DT4281 is designed with safety as a top priority. With CAT IV 600 V and CAT III 1000 V ratings, it’s critical for electrical work.
- Hioki DT4221: This model is a compact digital multimeter with a variety of measurement capabilities, including voltage, current, resistance, frequency, and temperature.
- Hioki DT4222: This model is similar to the DT4221 but without the capacitance measurement capability.
- Hioki DT4223: This model is similar to the DT4222 but with the capacitance and temperature measurement capabilities.
- Hioki DT4252: This model is designed for measuring low-level currents, with a range of 2mA to 20mA.
- Hioki DT4253: This model is similar to the DT4252 but with a higher current measurement range of 2mA to 200mA.
- Hioki DT4255: This model is designed for measuring high voltages and currents, up to 600V and 10A, respectively.
- Hioki DT4256: This model is similar to the DT4255 but with slightly higher voltage and current measurement capabilities (up to 1000V and 20A, respectively).
- Hioki DT4261: This model has a high resolution and accuracy and is designed for use in industrial settings.
- Hioki DT4281: This model is designed for high-speed measurement and can measure up to 120,000 times per second.
- Hioki DT4282: This model is similar to the DT4281 but also includes a built-in data logger for recording measurements over time.
Accurately measure DC and AC current with ranges from 600.00μA to 600.00mA, and safely connect an AC clamp sensor for current measurements. Plus, the DT4281 features a low-pass filter function to eliminate harmonic components and measure only the fundamental wave, making it perfect for measuring voltage output from the secondary sides of inverters.
Need to measure the ripple voltage of DC charging systems? No problem – the DT4281 can measure ripple voltage with a superposed DC signal by using peak value measurement and DC + AC voltage measurement. It even has a percentage display for 4 to 20 mA instrumentation signals, allowing you to convert and display instrumentation signals from a transducer or other device.
Accurately measure very low currents used by gas-burning devices with the 600.00 μA range. Plus, the DT4281 eliminates the root cause of accidents that occur when mistakenly measuring voltage using the current range, by providing clamp-on sensor based current measurement functionality instead of using conventional probes.
For accurate measurement of distorted current waveforms, the DT4281 features true RMS measurement. And when you need to review or save your measurement data, simply connect the DT4281 to a PC with the optional Communication Package DT4900-01 to easily graph data stored in the DMM’s internal memory and display measurement results in real-time on the computer.
Basic specifications (Accuracy guaranteed for 3 years, Post-adjustment accuracy guaranteed for 3 years)
| DC Voltage range | 60.0 mV to 1000.0 V, 6 ranges, Basic accuracy: ±0.025 % rdg. ±2 dgt. |
|---|---|
| AC Voltage range* | 60.00 mV to 1000.0 V, 6 ranges, Frequency characteristics: 20 Hz – 100 kHz Basic accuracy 40 – 65 Hz : ±0.2 % rdg. ±25 dgt. (True RMS, crest factor 3) |
| AC + DC Voltage range* | 60.00 mV to 1000.0 V, 6 ranges, Frequency characteristics: 20 Hz – 100 kHz Basic accuracy 40 – 65 Hz : ±0.3 % rdg. ±25 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). |
| AC Current range ( 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 ±2dgt (True RMS, crest factor 3) |
| Peak DC | DC V measurement: Signal width 4 msec or more (single), 1 msec or more (repeated). |
| Peak AC | 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 |
| Frequency range | AC V, DC+AC V, AC A measurement,99.999 Hz to 500.00 kHz, 5 ranges, ±0.005 % rdg ±3 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 |
| 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, Display value hold, Auto hold, Max/Min value display, Sampling select, Relative display, Measurement memory (400 data), Auto-power save |
| Display | Main and Sub displays: 5-digits LCD, max. 6000 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) (including test leads holder and batteries) |
| Accessories | Test lead L9207-10 ×1, Instruction manual ×1, LR6 alkaline battery ×4 |
* Zero-suppression: For small inputs below the guarantee range, zero is effectively displayed
