Datasheet

Data Sheet
DC Current
Characteristic
Description
Input Protection
Tool-accessible 11 A / 1000 V and 440 mA / 1000 V
fuses, limits of 400 mA continuous 550 mA for 2 minutes
on, 1 minute off
Common Mode
Rejection
140 dB at 50 or
60 Hz ±0.1% (1 k unbalance)
Normal Mode Rejection
60 dB for NPLC of 1 or greater with analog filter off and
power line frequency ±0.1%
100 dB for NPLC of 1 or greater with analog filter on and
power line frequency ±0.1%
Analog Filter
When usin
g the analog filter, specifications are relative
to within
onehourofusingtheZEROfunctionforthat
range and
NPLC setting
Input Characteristics
ResolutionRange Resolution
4½ Digits 5½ Digits 6½ Digits
Shunt Resistance
(Ohms)
Burden Voltage
100 A 100.0000 A10nA 1nA 100pA
100 
<0.015 V
1 mA 1.000000 mA 100 nA 10 nA 1 nA
100 
<0.15 V
10 mA 10.00000 mA 1 A 100 nA 10 nA
1 
<0.025 V
100 mA 100.0000 mA 10 A1A 100 nA
1 
<0.25 V
400 mA*
7
400.000 mA 100 A10A1A
1 
<0.50 V
1A*
6
1.000000 A 100 A10A1A
0.01 
<0.05 V
3A*
5
3.00000 A 1 mA 100 A10A
0.01 
<0.15 V
10 A 10.00000 A 1 mA 100 A10A
0.01 
<0.5 V
*
5
Part of 10 A range.
*
6
Available on the front-panel terminal only.
*
7
400 mA available in software version 2.0 or greater only. 400 mA continuously; 550 mA for 2 minutes on, 1 minute off.
DMM4050/4040 Accuracy
Accuracy is given as ±(% measurement + % of range)
Range 24 Hour
(23 °C ±1 °C)
90 Days
(23°C±5°C)
1Year
(23 °C ±5 °C )
Temperature Coefficient/°C
Outside18to28°C
100 A 0.01 + 0.02 0.04 + 0.025 0.05 + 0.025 0.002 + 0.003
1 mA 0.007 + 0.005 0.030 + 0.005 0.05 + 0.005 0.002 + 0.0005
10 mA 0.007 + 0.02 0.03 + 0.02 0.05 + 0.02 0.002 + 0.002
100 mA 0.01 + 0.004 0.03 + 0.005 0.05 + 0.005 0.002 + 0.0005
400 mA*
7
0.03 + 0.004 0.04 + 0.005 0.05 + 0.005 0.005 + 0.0005
1A*
6
0.03 + 0.02 0.04 + 0.02 0.05 + 0.02 0.005 + 0.001
3A*
5, 6
0.05 + 0.02 0.08 + 0.02 0.1 + 0.02 0.005 + 0.002
10 A*
6
0.1 + 0.008 0.12 + 0.008 0.15 + 0.008 0.005 + 0.0008
*
5
Part of 10 A range.
*
6
Available on the front-panel terminal only.
*
7
400 mA available in software version 2.0 or greater only. 400 mA continuously; 550 mA for 2 minutes on, 1 minute off.
Additional Current Errors
Digits
NPLC Additional NPLC Noise Error
for 1 mA, 100 mA, 400 mA,
3A,and10A
Additional NPLC Noise Error for
100 μA, 10 mA, 1 A
6½
100
0% of range 0% of range
6½
10
0% of range 0% of range
5½
1
0.001% of range 0.01% of range
5½
0.2
0.11% of range ±4 A 0.11% of range ±4 A
4½
0.02
0.04% of range ±4 A 0.28% of range ±4 A
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