Hioki DT-4281 Digital Multimeter
HIOKI DIGITAL MULTIMETER DT-4281
Precise and Responsive Professional DMM for Advanced Testing including Inverters The Hioki DT4200 Digital Multimeter Series consist of a complete lineup of 9 models ranging from professional to industrial to pocket meters.
The DT4281 isour top-of-the-line high-precision 60,000 count DMM with all of the functions and features required for advanced testing in complex power and electrical applications.
Overview
* 60,000 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
* Includes terminal shutter mechanism for accident prevention (prevents erroneous test lead insertion)
* Measures large currents with optional clamp probe (only for DT4281, which has no 10 A terminal for accident prevention)
* USB communications function supports PC measurements (optional)
* Broad -15 (5°F) to 55°C (131°F) operating temperature range
Specification Hioki DT-4281:
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.
DC voltage
|
60.000 mV to
1000.0 V, 6 ranges, Basic accuracy: ±0.025 % rdg. ±2 dgt.
|
AC voltage 45 to 65 Hz
|
60.000 mV to
1000.0 V, 6 ranges, Frequency characteristics: 20 Hz - 100 kHz
Basic accuracy:
±0.2 % rdg. ±25 dgt. (True RMS, crest factor 3)
|
DC + AC voltage 45 to 65 Hz
|
6.0000 V to
1000.0 V, 4 ranges, Frequency characteristics: 20 Hz - 100 kHz
Basic accuracy:
±0.3 % rdg. ±30 dgt. (True RMS, crest factor 3)
|
Resistance
|
60.000 Ω to
600.0 MΩ, 8 ranges, Basic accuracy: ±0.03 % rdg. ±2 dgt.
|
DC current
|
600.00 μA to
600.00 mA, 4 ranges
Basic accuracy:
±0.05 % rdg. ±5 dgt.
|
AC current 45 to 65 Hz
|
600.00 μA to
600.00 mA, 4 ranges
Basic accuracy:
±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 (use with Clamp on probes) 40 to
1 kHz
|
10.00 A to 1000
A, 7 ranges
Add the Clamp
on probe accuracy to Basic accuracy: ±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)
|
C (capacitance)
|
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
|
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
|
K: -40.0 °C to
800.0 °C (-40.0 °F to 1472.0 °F) (use with optional probe DT4910)
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 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
|
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)
|
Accessories
|
Test Lead L9207-10 × 1, Instruction Manual × 1, LR6 Alkaline Battery × 4
|
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