U2781A Datasheet, PDF (60/76 Pages) Keysight Technologies – USB Modular Products

Product specifications
DC specifications¹
Function
Voltage²
Current³
Resistance⁴
Diode test⁵
Continuity test⁶
Range
100.000 mV
1.00000 V
10.0000 V
100.000 V
300.000 V
10.0000 mA
100.000 mA
1.0000 A
2.0000 A
100.000 Ω
1.00000 kΩ
10.0000 kΩ
100.000 kΩ
1.00000 MΩ
10.0000 MΩ
100.000 MΩ
1.0000 V
1.0000 kΩ
Input impedance
10 MΩ
10 MΩ
10 MΩ
10 MΩ
10 MΩ
-
-
-
-
-
-
-
-
-
-
-
-
-
Test current/
Burden voltage,
Shunt resistance
-
-
-
-
-
< 0.2 V, 10 Ω
< 0.2 V, 1 Ω
< 0.3 V, 0.1 Ω
< 0.8 V, 0.1 Ω
1.0 mA
1.0 mA
100 μA
10.0 μA
1 μA
225 nA
225 nA || 10 MΩ
1.00 mA
1.00 mA
Accuracy
±(% of reading +
% of range)
0.015 + 0.008
0.015 + 0.005
0.018 + 0.005
0.018 + 0.005
0.018 + 0.005
0.06 + 0.015
0.06 + 0.005
0.15 + 0.007
0.15 + 0.007
0.03 + 0.008
0.03 + 0.005
0.03 + 0.005
0.03 + 0.005
0.06 + 0.005
0.25 + 0.005
2.0 + 0.005
0.015 + 0.03
0.05 + 0.03
Temperature
coefficient
0 °C to 18 ºC
28 °C to 55 °C
0.002 + 0.0008
0.001 + 0.0005
0.002 + 0.0005
0.002 + 0.0005
0.002 + 0.0005
0.005 + 0.0025
0.008 + 0.002
0.005 + 0.002
0.005 + 0.002
0.006 + 0.0008
0.006 + 0.0005
0.006 + 0.0005
0.006 + 0.0005
0.01 + 0.0005
0.025 +0.0005
0.3 + 0.0005
0.005 + 0.0005
0.005 + 0.0005
NOTE To ensure better measurement results and to guard against the change of environment or setup, always
enable the Null offset.
1 _{Specifications are based on 30 minutes warm-up time, NPLC 20 resolution, and calibration temperature within 18 °C to 28 °C. For NPLC 0 and 0.025,}
add 0.01% of range.
2 _{120% over range on all ranges except 300 VDC. Input protection up to 300 VDC.}
3 _{Input protected with externally accessible 2 A, 250 V fast blown fuse.}
4 _{Specifications are for 4-wire Ω or 2-wire Ωs using null function in KMM software. If without null function in KMM software, add 0.2 Ω additional error.}
Input protection up to 300 VDC. Specifications apply for NPLC ≥ 1.
5 _{Specifications are for the voltage measured at the input terminals only.}
6 _{Continuity threshold is fixed at less than 10 Ω.}
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