DIGITAL MULTIMETER DT4282 HIOKI

SKU: 4695814-1-356
In Stock

  • Ultimate R&D digital multimeter
  • Measures very low currents
  • Filters harmonics from inverters
  • True RMS for accuracy

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Description

Unveiling the Hioki DT4282 for R&D

In the cutting-edge fields of research and development (R&D), where innovation demands unparalleled precision and versatility in electrical measurement, the choice of equipment is paramount. The Hioki DT4282 Digital Multimeter, a distinguished member of Hioki’s high-end DT4280 series, is engineered specifically to meet these rigorous demands. It stands as the ultimate digital multimeter, ideally suited for use in demanding laboratory and R&D applications where a vast array of electrical parameters must be measured with absolute accuracy. This instrument goes beyond conventional capabilities, offering comprehensive ranges for both DC and AC current, spanning from a highly sensitive 600.00 A up to a robust 10.000 A. Additionally, it uniquely provides conductance measurement at 600.00 nS, making it a powerful and flexible tool for a wide spectrum of electrical characterization tasks.

Eliminating Harmonics for Accurate Inverter Outputs

Modern power systems, particularly those incorporating inverters or variable frequency drives, frequently produce complex and distorted waveforms that are rich in harmonic components. When attempting to measure the true output voltage on the secondary sides of these inverters, a standard digital multimeter can often be misled by these unwanted harmonics, resulting in inaccurate or misleading readings of the fundamental voltage. The Hioki DT4282 deftly addresses this critical challenge with its integrated low-pass filter function. This intelligent feature actively and effectively eliminates these harmonic components, allowing the multimeter to precisely measure only the fundamental wave of the voltage. This capability is indispensable for accurate diagnostics, performance validation, and crucial troubleshooting in various applications, including industrial automation, renewable energy systems, and motor control, where understanding the true behavior of the fundamental frequency is vital for optimal system performance and reliability.

Measuring Ripple Voltage in DC Systems

In many DC power systems, particularly those involving charging circuits, power supplies, or battery management systems, it’s essential to not only measure the stable DC component but also any superimposed AC fluctuations, known as ripple voltage. Excessive ripple can indicate inefficiencies, component degradation, or potential system instability. The Hioki DT4282 provides advanced capabilities to measure ripple voltage of DC charging systems with high precision. It achieves this by utilizing a combination of its peak value measurement function and DC + AC voltage measurement. This sophisticated approach allows the instrument to accurately capture and quantify the small AC components riding on a larger DC signal. This feature is particularly valuable for engineers developing or maintaining power electronics, battery chargers, and uninterruptible power supplies (UPS), ensuring the purity and stability of DC power delivery in critical applications.

Specialized Percentage Display for Instrumentation Signals

In industrial control and process monitoring, it’s common to encounter instrumentation signals of 4 to 20 mA or 0 to 20 mA. These current loops are standard ways for transducers and other devices to represent physical properties such as temperature, pressure, flow rate, or level, converting sensor data into an electrical signal that scales proportionally to the measured value. The Hioki DT4282 offers a highly convenient and specialized percentage display for 4 to 20 mA instrumentation signals. This feature allows the digital multimeter to convert and directly display these current signals as a percentage of their full scale (e.g., 4 mA representing 0% and 20 mA representing 100%). This eliminates the need for manual calculations, streamlining calibration, troubleshooting, and validation of industrial sensors and control loops, significantly boosting efficiency for field technicians and engineers working in process automation and building management systems.

Accurate Measurement of Very Low Currents

Many specialized applications involve monitoring very low currents, where even minute changes can be indicative of critical system states or component performance. The Hioki DT4282 stands out with its highly sensitive 600.00 A range for measuring very low currents, making it perfectly suited for these delicate tasks. A prime example is the ability to accurately measure burner flame currents in gas-burning devices. These microampere-level currents are crucial safety signals, indicating the presence of a stable flame. Precise measurement of such low currents is also essential in the development and testing of ultra-low power consumption circuits, sensitive sensor applications, and leak current detection in various electronic systems. The DT4282’s exceptional sensitivity ensures reliable readings where other multimeters might struggle, providing crucial data for system optimization and safety assurance.

True RMS for Distorted Waveform Accuracy

In modern electrical environments, engineers and technicians frequently encounter signals that are far from perfectly sinusoidal. Distorted current and voltage waveforms are increasingly prevalent due to the widespread use of non-linear loads, switching power supplies, and variable frequency drives. While traditional mean-value multimeters might provide misleading results for such complex waveforms, the Hioki DT4282 excels with its indispensable True RMS measurement capability. This advanced functionality is essential because it accurately calculates the true effective value of alternating current (AC) or voltage, irrespective of the waveform’s shape. This means that whether you’re dealing with clean sine waves, square waves, triangular waves, or highly distorted signals with significant harmonic content, the DT4282 provides reliable and precise readings. For accurate diagnostics, effective troubleshooting, and stringent compliance verification in any environment with non-linear electrical characteristics, True RMS is an absolute necessity, and the DT4282 delivers on this critical front, ensuring the integrity of your measurements and analyses.

Seamless Data Management and Connectivity

Beyond its formidable measurement capabilities, the Hioki DT4282 offers powerful features for seamless data management and analysis, which are crucial for modern electrical diagnostics, long-term monitoring, and rigorous record-keeping in R&D settings. By connecting the DT4282 to a computer with the optional Communication Package DT4900-01, users can unlock a suite of advanced data handling functionalities. This essential package enables the effortless downloading of data stored in the instrument’s internal memory, allowing for comprehensive post-measurement review and secure long-term archiving. Furthermore, it supports the real-time display of live measurement results on the computer, providing immediate graphical visualization of ongoing tests. Displayed measured values can also be conveniently saved in versatile text format for easy integration into custom reports, spreadsheets, or further detailed analysis. Crucially, the computer and multimeter maintain electrical isolation by means of optical communications, ensuring data transmission without any concern for electrical hazards, thereby prioritizing both data integrity and the safety of the user and connected equipment.

tpt24: Your Trusted Global Supplier

When making a strategic investment in a precision instrument like the Hioki DT4282 Digital Multimeter, authenticity and guaranteed quality are paramount concerns. This is precisely where tpt24 distinguishes itself as the undisputed premier online store worldwide for this exceptional product. tpt24 is profoundly committed to delivering an unparalleled purchasing experience, underpinned by an unwavering dedication to product integrity and customer satisfaction across the globe. Every Hioki DT4282 acquired from tpt24 is accompanied by an unconditional guarantee of authenticity and superior quality, assuring you that you receive a genuine, meticulously manufactured instrument that adheres to the highest industry standards. Irrespective of your geographical location, tpt24 provides dependable and secure worldwide delivery, bringing this cutting-edge electrical measurement device directly to your doorstep, thereby empowering your critical applications with unmatched precision and unwavering confidence.

Specifications

DC Voltage range 60.000 mV to 1000.0 V, 6 ranges, Basic accuracy: ±0.025 % rdg. ±2 dgt.
AC Voltage(*1) 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(*1) 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, (Conductance: 600.00 nS, DT4282 only)
Basic accuracy: ±0.03 % rdg. ±2 dgt.
DC Current range 600.00 μA to 10.000 A, 6 ranges, Basic accuracy: ±0.05 % rdg. ±5 dgt.
AC Current(*1) range 600.00 μA to 10.000 A, 6 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(*1) range
(use with Clamp on probes)
N/A
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(*2) ×1, Instruction Manual ×1, LR6 Alkaline Battery ×4

Data Sheet

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