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DIGITAL MULTIMETER

DT4281

World's Premier Digital Multimeter. Superior Accuracy and High Response, Topped with Safety Terminal Shutters

The Hioki DT4200 Digital Multimeter Series consist of a complete lineup of 9 models ranging from professional to industrial to pocket meters. The DT4281 is our 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. CAT IV 600 V, CAT III 1000 V Key Features • 60000 count, 5-digit display, high-resolution measurements • ±0.025% DC V basic accuracy, wide 20 Hz to 100 kHz AC V frequency characteristics • Low-pass filter cuts high harmonics (when measuring inverter fundamental waveforms) • Includes multiple measurement functions such as DC+ACV, temperature, capacitance, and frequency • Terminal shutter mechanism (prevents erroneous test lead insertion) • Measures large currents with optional clamp probe (only for DT4281, which has no 10 A terminal for accident prevention) • Measure up to 10A with direct input (DT4281 only) • Dual display lets you check voltage and frequency simultaneously • Magnetic strap (Optional) • Rear kickstand • Store probes at the back of the tester • Identify excessively high input with a red screen backlight • Robust design capable of withstanding a drop from a height of 1 m • USB communications function supports PC measurements (optional) • Broad -15 (5°F) to 55°C (131°F) operating temperature range

Model No. (Order Code)

DT4281 Direct and current clamp input terminals

GOOD DESIGN
Guarantee3years
USB2
Option
TrueRMS
CE
DROPPROOF

How to use digital multimeters

This video introduces how to use the DT4280 series of digital multimeters as well as some of the instrument’s featured functionality. Hioki multimeters are engineered to help professional electricians do their jobs safely and quickly.


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 current measurement 600.00μA / 6000.0μA / 60.000mA / 600.00mA ・ AC current measurement 600.00μA / 6000.0μA / 60.000mA / 600.00mA ・ Directly connect an AC clamp sensor


Accurately measure the voltage output from the secondary sides of inverters by eliminating harmonic components

Measure the fundamental wave alone by eliminating harmonic components with the DT4281’s low-pass filter function.


Measure the ripple voltage of DC charging systems

Measure ripple voltage with a superposed DC signal by using peak value measurement and DC + AC voltage measurement.


Percentage display for 4 to 20 mA instrumentation signals

The digital multimeter can convert and display instrumentation signals of 4 to 20 mA or 0 to 20 mA representing properties such as temperature, pressure, and flow rate from a transducer or other device that converts sensor data into an electrical signal.


600.00 μA range for measuring very low currents used by gas-burning devices

Accurately measure the very low currents such as burner flame currents.


Clamp-on sensor based current measurement eliminates the cause of accidents

Mistakenly measuring voltage using the current range may lead to a short-circuit. The DT4281 eliminates the root cause of such accidents by providing clamp-on sensor based current measurement functionality instead of using conventional probes.


True RMS measurement for accurate measurement of even distorted current waveforms

Digital multimeters implement two types of measurement: mean-value measurement and true RMS measurement. The two methods yield significantly different measurement results for current waveforms, which are often distorted. For accurate measurement, it is necessary to use an instrument with true RMS capability.


Measurement data can be downloaded to, reviewed on, and saved to a computer.

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. Save important measured values in text format. *The computer and multimeter are electrically isolated by means of optical communications so that data can be sent without concern for electrical hazards.


Designed and manufactured in Japan to ensure high quality and guaranteed with a 3-year warranty for peace of mind

All development, design, and manufacturing processes for almost all Hioki digital multimeters are carried out at our Head Office in Nagano Prefecture. Some of the industry’s most advanced technological capabilities enable us to deliver products of the highest possible quality.


Safe measurement requires use of an instrument that suits the measurement location.

To ensure operators’ ability to use measuring instruments safely, IEC 61010 classifies the locations in which instruments are used into a series of safety-based measurement categories (ranging from CAT II to CAT IV). Using an instrument that does not satisfy the required safety level can lead to an electrical accident.


Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)Regarding DMM Accuracy Due to the many ranges and functions available in a DMM, only the basic accuracy is indicated for reference. Please refer to the individual catalogs for detailed accuracy information. * Zero-suppression: For small inputs below the guarantee range, zero is effectively displayed.

DC Voltage range60.000 mV to 1000.0 V, 6 ranges, Basic accuracy: ±0.025 % rdg. ±2 dgt.
AC Voltage* range60.000 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* range6.0000 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 range60.000 Ω to 600.0 MΩ, 8 ranges, Basic accuracy: ±0.03 % rdg. ±2 dgt.
DC Current range600.00 μA to 600.00 mA, 4 ranges
Basic accuracy: ±0.05 % rdg. ±5 dgt.
AC Current* range600.00 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)
PeakDC 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 range1.000 nF to 100.0 mF, 9 ranges, Basic accuracy: ±1.0 % rdg. ±5 dgt.
Continuity CheckContinuity threshold: 20/50/100/500 Ω, Response time: 10 ms or more
Diode testOpen 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 rangeAC 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 conversionStandard 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 functionsFilter function (Remove harmonic noise, use only at 600 VAC, 1000 VAC ranges), Display value hold, Auto hold, Max/Min value display, Sampling select, Relative display, Measurement memory (400 data), Auto-power save, USB communication (option), 4-20 mA % conversion
DisplayMain and sub displays: 5-digits LCD, max. 60000 digits
Display refresh rates5 times/s (Capacitance measurement: 0.05 to 2 times/s, depending on measured value, Temperature: 1 time/s )
Power supplyLR6 (AA) alkaline batteries × 4, Continuous use: 100 hours
Dimensions and mass93 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)
AccessoriesTest Lead L9207-10 × 1, Instruction Manual × 1, LR6 Alkaline Battery × 4

Log into your myHioki account to access more technical documents and information where available.

Seminar Videos On Demand

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Seminar Schedule

Registration Open

BIXPO 2019 - Gwangju, Korea

Nov 6, 2019 - Nov 8, 2019

Catalogs

Catalog: COMMUNICATION PACKAGE (USB) DT4900-01 Download PDF  [1MB] English
Catalog: DIGITAL MULTIMETER DT4200 Series Download PDF  [8MB] English

User Guides

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Manuals

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Instruction Manual Spanish
Ver.04
Instruction Manual English
Ver.07
Instruction Manual French
Ver.02
Instruction Manual Simplified Chinese
Ver.04
Instruction Manual German
Ver.02
Instruction Manual Korean
Ver.04

Outline Drawings

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Ver.01

Technical Notes

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Declaration of Conformity


Ver.04

Drivers, Firmware

DMM Communicator for DT4200s  Freeware Version 2.10 
USB Driver (DT4200 series, 3800 series, 7016, 3554,ST5540,ST5541,BT4560)  Freeware Version 1.12.0 

Others

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Options

Test leads

Options for the L9207-10 (L9207-10 is a bundled accessory)

CONTACT PIN SET L4933

Attaches to the tip of the Test Lead L9207-10/DT4911, L9206, 60V DC/ 30V AC

SMALL ALLIGATOR CLIP SET L4934

Attaches to the tip of the L4932, L9207-10/DT4911, L9206, CAT III 300V, CAT II 600V

TEST LEAD L9207-10

90 cm (2.95 ft) length

Current measurement

For DT4281 Clamp-on current sensor

(Note: Use with the Conversion Adapter 9704, required for connecting Clamp On Probes to DT4281/4251/4253)

CLAMP ON PROBE 9010-50

• Use for level measurement • 40 Hz to 1 kHz • 10 to 500 A AC • φ 46 mm (1.81 in) core dia.

Learn more

CLAMP ON PROBE 9018-50

• Excellent phase characteristics • 40 Hz to 3 kHz • 10 to 500A AC • φ 46 mm (1.81 in) core dia.

Learn more

CLAMP ON PROBE 9132-50

• Use for level measurement • 40 Hz to 1 kHz • 20 to 1000A AC • φ 55 mm (2.17 in) core dia.

Learn more

CONVERSION ADAPTER 9704

Receiving end: Female BNC; Output end: Male banana-plug *Not compatible with older generation Memory Hicorders with banana input terminals

Options for Test leads

Options for the L4930

GRABBER CLIP 9243

Attaches to the tip of the banana plug cable, Red/ Black: 1 each, 196 mm (7.72 in) length, CAT III 1000 V

CONNECTION CABLE SET L4930

1.2 m (3.94 ft) length

EXTENSION CABLE SET L4931

Expands the length of the cable with banana plug, 1.5 m (4.92 ft) length

TEST PIN SET L4932

Attaches to the tip of the banana plug cable, CAT IV 600V, CAT III 1000V

ALLIGATOR CLIP SET L4935

Attaches to the tip of the banana plug cable, CAT IV 600V, CAT III 1000V

BUS BAR CLIP SET L4936

Attaches to the tip of the banana plug cable, CAT III 600V

MAGNETIC ADAPTER SET L4937

Attaches to the tip of the banana plug cable, CAT III 1000V

TEST PIN SET L4938

Attaches to the tip of the banana plug cable, CAT III 600V

BREAKER PIN SET L4939

Attaches to the tip of the banana plug cable, CAT III 600V

Temperature measurement

THERMOCOUPLES(K) DT4910

K type, tip exposed, 0.3 mm (0.01 in) diameter, 80 cm (2.62 ft) length, -40 to 260 °C (-40 to 500 °F), tolerance ±2.5 °C

Other options

CARRYING CASE C0202

COMMUNICATION PACKAGE (USB) DT4900-01

For DT4280s/4250s, compatible to Windows 8.1/ 8/ 7/ Vista

MAGNETIC STRAP Z5020

Extra strength

Applications

Gallery

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