Introduction and Specifications
Electrical Specifications
1
4040/4050 Accuracy
Accuracy is given as
±
(% measu % of range)
Range
24 Hour
(23
±
1
°
C)
90 Days
(23
±
5
°
C)
1 Year
(23
±
5
°
C)
Temperature
Coefficient/
°
C
Outside 18 to 28
°
C
10
Ω
0.003 + 0.01
0.008 + 0.03
0.01+ 0.03
0.0006 + 0.0005
100
Ω
0.003 + 0.003
0.008 + 0.004
0.01 + 0.004
0.0006 + 0.0005
1 k
Ω
0.002 + 0.0005
0.008 + 0.001
0.01 + 0.001
0.0006 + 0.0001
10 k
Ω
0.002 + 0.0005
0.008 + 0.001
0.01 + 0.001
0.0006 + 0.0001
100 k
Ω
0.002 + 0.0005
0.008 + 0.001
0.01 + 0.001
0.0006 + 0.0001
1 M
Ω
0.002 + 0.001
0.008 + 0.001
0.01 + 0.001
0.001 + 0.0002
10 M
Ω
0.015 + 0.001
0.02 + 0.001
0.04 + 0.001
0.003 + 0.0004
100 M
Ω
0.3 + 0.01
0.8 + 0.01
0.8 + 0.01
0.15 + 0.0002
1 G
Ω
1.0 + 0.01
1.5 + 0.01
2.0 + 0.01
0.6 + 0.0002
Additional Ohms Errors
Digits
NPLC
Additional NPLC Noise Error
6½
100
0 % of range
6½
10
0 % of range
5½
1
0.001 % of range
5½
0.2
0.003 % of range
±
7 m
Ω
4½
0.02
0.017 % of range
±
15 m
Ω
DC Current
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
Ω
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 using the analog filter, specifications are relative to within one
hour of using the ZERO function for that range and NPLC setting.
Input Characteristics
Range
Resolution
Resolution
Shunt Resistance
(Ohms)
Burden Voltage
4½ Digits
5½ Digits
6½ Digits
100
µ
A
100.0000
µ
A
10 nA
1 nA
100 pA
100
Ω
<0.015 V
1 mA
1.000000 mA
100 nA
10 nA
1 nA
100
Ω
<0.15 V
10 mA
10.00000 mA
1
µ
A
100 nA
10 nA
1
Ω
<0.025 V
100 mA
100.0000 mA
10
µ
A
1
µ
A
100 nA
1
Ω
<0.25 V
400 mA
[3]
400.000 mA
100
µ
A
10
µ
A
1
µ
A
1
Ω
<0.50 V
1 A
[2]
1.000000 A
100
µ
A
10
µ
A
1
µ
A
0.01
Ω
<0.05 V
3 A
[1]
3.00000A
1 mA
100
µ
A
10
µ
A
0.01
Ω
<0.15 V
10 A
10.00000 A
1 mA
100
µ
A
10
µ
A
0.01
Ω
<0.5 V
[1] Part of 10 A range.
[2] Available on the front panel terminal only.
[3] 400 mA continuously; 550 mA for 2 minutes on, 1 minute off.
1-15
Summary of Contents for DMM4040
Page 1: ...DMM4040 and DMM4050 Digital Multimeter Technical Reference 077 0362 01...
Page 6: ...DMM4040 and DMM4050 Technical Reference iv...
Page 8: ...DMM4040 and DMM4050 Technical Reference vi...
Page 10: ...DMM4040 and DMM4050 Technical Reference viii...
Page 34: ...DMM4040 4050 Technical Reference Manual 2 2...
Page 42: ...DMM4040 4050 Technical Reference Manual 3 2...
Page 75: ...Appendices Appendix Title Page A Verification Forms A 1 B Example Adjustment Program B 1...
Page 76: ...DMM4040 4050 Technical Referencel...
