15
High-End
DT4281 / DT4282
AC Voltage
Range
Accuracy
20 Hz to 45 Hz 45 Hz to 65 Hz 65 HZ to 1 kHz 1 kHz to 10 kHz 10 kHz to 20 kHz 20 kHz to 100 kHz
60.000 mV
±1.3% rdg.
±60 dgt.
±0.4% rdg.
±40 dgt.
±0.% rdg.
±40 dgt.
±0.9% rdg.
±40 dgt.
±1.5% rdg.
±40 dgt.
±20% rdg. ±80 dgt.
600.00 mV
±8% rdg. ±80 dgt.
6.0000 V
±1% rdg.
±60 dgt.
±0.2% rdg.
±25 dgt.
±0.3% rdg.
±25 dgt.
±0.4% rdg.
±25 dgt.
±0.7% rdg.
±40 dgt.
±3.5% rdg.
±40 dgt.
60.000 V
Undened
600.00 V
Undened Undened
1000.0 V
DC V + AC V Measurement
Range
Accuracy
20 Hz to 45 Hz 45 Hz to 65 Hz 65 HZ to 1 kHz 1 kHz to 10 kHz 10 kHz to 20 kHz 20 kHz to 100 kHz
6.0000 V
±1.2% rdg.
±65 dgt.
±0.3% rdg.
±30 dgt.
±0.4% rdg.
±30 dgt.
±0.4% rdg.
±30 dgt.
±1.5% rdg.
±45 dgt.
±3.5% rdg.
±125 dgt.
60.000 V
Undened
600.00 V
Undened Undened
1000.0 V
±0.4% rdg.
±45 dgt.
Input impedance
1 MΩ ±4% // 100 pF or less
Crest factor 3 or less (1.5 or less for the 1000.0 V range)
Accuracy
specication range
5% or more of each range
With the lter ON, accuracy is dened only for frequencies
100 Hz or less. Furthermore, 2% rdg. is added.
DC A Measurement
*1. DT4282 only
Range
Accuracy / Display update : slow
Accuracy / Display update : normal
Shunt Resistance
600.00 μA
±0.05% rdg. ±5 dgt.
±0.05% rdg. ±25 dgt.
101 Ω
6000.0 μA ±0.05% rdg. ±5 dgt.
60.000 mA ±0.05% rdg. ±25 dgt.
1 Ω
600.00 mA ±0.15% rdg. ±5 dgt. ±0.15% rdg. ±5 dgt.
6.0000 A
*1
±0.2% rdg. ±5 dgt.
±0.2% rdg. ±25 dgt.
10m Ω
10.000 A
*1
±0.2% rdg. ±5 dgt.
AC A Measurement
*1. DT4282 only
Range
Accuracy
20 Hz to 45 Hz 45 Hz to 65 Hz 65 Hz to 1 kHz 1 kHz to 10 kHz 10 kHz to 20 kHz
600.00 μA
±1.0% rdg.
±20 dgt.
±0.6% rdg.
±20 dgt.
±0.6% rdg.
±20 dgt.
±2% rdg.
±20 dgt.
±4% rdg.
±20 dgt.
6000.0 μA
±1.0% rdg.
±5 dgt.
±0.6% rdg.
±5 dgt.
±0.6% rdg.
±5 dgt.
±2% rdg.
±5 dgt.
±4% rdg.
±5 dgt.
60.000 mA
±1.0% rdg.
±20 dgt.
±0.6% rdg.
±20 dgt.
±0.6% rdg.
±20 dgt.
±1% rdg.
±20 dgt.
±2% rdg.
±20 dgt.
600.00 mA
±1.0% rdg.
±5 dgt.
±0.6% rdg.
±5 dgt.
±0.6% rdg.
±5 dgt.
±1.5% rdg.
±10 dgt.
Undened
6.0000 A
*1
Undened
±0.8% rdg.
±20 dgt.
±0.8% rdg.
±20 dgt.
Undened Undened
10.000 A
*1
Undened
±0.8% rdg.
±5 dgt.
±0.8% rdg.
±5 dgt.
Undened Undened
Shunt resistance μA Range 101 Ω, mA Range 1Ω, A Range 10 mΩ
Crest factor 3 or less (Note that it applies to 1/2 of the range.)
Accuracy specication range
Accuracy is not dened for measurements below 5% of range
Continuity Check
Range
Accuracy
Measurement Current
Open-terminal Voltage
600.0 Ω
±0.5% rdg. ±5 dgt.
640 μA ±10% DC 2.5 V or less
Continuity threshold
20 Ω (default), 50 Ω, 100 Ω, 500 Ω
Capacitance Measurement
Range Accuracy
Measurement Current Open-circuit Voltage
1.000 nF
±1% rdg. ±20 dgt.
32 μA ±10% DC 2.5 V or less
10.00 nF
±1% rdg. ±5 dgt.
100.0 nF
1.000 μF
10.00 μF
±2% rdg. ±5 dgt.
680 μA ±20%
DC 3.1 V or less
100.0 μF
1.000 mF
DC 2.1 V or less10.00 mF
100.0 mF
±2% rdg. ±20 dgt.
Resistance Measurement
Range Accuracy
Measurement Current
Open-terminal Voltage
60.000 Ω
±0.3% rdg. ±20 dgt.
640 μA ±10%
DC 2.5 V or less
600.00 Ω
±0.03% rdg. ±10 dgt.
6.0000 kΩ
±0.03% rdg. ±2 dgt.
96 μA ±10%
60.000 kΩ
9.3 μA ±10%
600.00 kΩ
0.96 μA ±10%
6.0000 MΩ
±0.15% rdg. ±4 dgt.
96 nA ±10%
60.00 MΩ
±1.5% rdg. ±10 dgt.
600.0 MΩ
±3.0% rdg. ±20 dgt.
±8.0% rdg. ±20 dgt.
AC Clamp (AC Current)
DT4281 only
Range
Accuracy
40 Hz to 65 Hz 65 Hz to 1 kHz
10.00 A ±0.6% rdg. ±2 dgt. ±0.9% rdg. ±2 dgt.
20.00 A ±0.6% rdg. ±4 dgt. ±0.9% rdg. ±4 dgt.
50.00 A ±0.6% rdg. ±10 dgt. ±0.9% rdg. ±10 dgt.
100.0 A ±0.6% rdg. ±2 dgt. ±0.9% rdg. ±2 dgt.
200.0 A ±0.6% rdg. ±4 dgt. ±0.9% rdg. ±4 dgt.
500.0 A ±0.6% rdg. ±10 dgt. ±0.9% rdg. ±10 dgt.
1000 A ±0.6% rdg. ±2 dgt. ±0.9% rdg. ±2 dgt.
DC Voltage
Range Accuracy Input Impedance
60.000 mV ±0.2% rdg. ±25 dgt.
1 GΩ or more // 100 pF or less
600.00 mV ±0.025% rdg. ±5 dgt.
6.0000 V
±0.025% rdg. ±2 dgt.
11.0 MΩ ±2% // 100 pF or less
60.000 V 10.3 MΩ ±2% // 100 pF or less
600.00 V
±0.03% rdg. ±2 dgt. 10.2 MΩ ±2% // 100 pF or less
1000.0 V
The optional 9010-50, 9018-50, or 9132-50 CLAMP ON PROBE is used.
Accuracy does not include the error of the clamp-on probe.
Crest factor 3 or less
Accuracy is not dened for measurements below 15% of range
Conductance (nS)
DT4282 only
Range Accuracy
Measurement Current Open-circuit Voltage
600.00 nS
±1.5% rdg. ±10 dgt.
96 nA ±10% DC 2.5 V or less
Accuracy is dened for humidity 60% RH or less. Accuracy is dened for the range
20nS or more. In the case of 300 nS or more, ±20 dgt. is added.
Diode Check
Range Accuracy
Measurement Current
Open-terminal Voltage
3.600 V
±0.1% rdg. ±5 dgt.
1.2 mA or less DC 4.5 V or less
Forward threshold
0.15 V, 0.5 V (default), 1 V, 1.5 V, 2 V, 2.5 V, 3 V
If the reading is lower than the threshold during the forward con-
nection, a buzzer sounds and the red backlight turns on.
Peak Measurement
(For AC V, DC V, DC+AC V, Clamp, DC μA, DC mA, DC A, AC μA, AC mA, AC A)
Main measurement
Signal width Accuracy
DC V
4 ms or more (single) ±2.0% rdg. ±40 dgt.
1 ms or more (repeated) ±2.0% rdg. ±100 dgt.
Other than
DC V
1 ms or more (single) ±2.0% rdg. ±40 dgt.
250 μs or more (repeated) ±2.0% rdg. ±100 dgt.
4, 8, 16, 32, 50, 75, 93, 110, 125, 135, 150, 200, 250, 300, 500, 600, 800, 900, 1000, 1200 Ω
(default: 600 Ω)
Temperature
Thermocouple Type Range Accuracy
K -40.0 to 800.0 °C (-40.0 to 1472.0°F)
±0.5% rdg. ±3°C (5.4°F)
The optional K Thermocouple DT4910 is used. Accuracy does not include the error of the K thermocouple.
Frequency (For AC V, DC + AC V, AC μA, AC mA, AC A)
Range Accuracy
99.999 Hz
±0.005% rdg. +3 dgt.
999.99 Hz
9.9999 kHz
99.999 kHz
±0.005% rdg. +3 dgt.
500.00 kHz
Decibel Conversion Measurement : Standard impedance (dBm)
Measurement range
0.5 Hz or more ([----] is displayed when frequency is less than 0.5 Hz)
Pulse width 1 μs or more (DUTY ratio is 50%)
With the lter ON, accuracy is dened only for frequencies 100 Hz or less. (For ACV, DC+ACV)
(Accuracy guaranteed for 1 year, post-adjustment accuracy guaranteed for 1 year)