Additional Current Errors - Tektronix DMM4040 User Manual

Accuracy (4040/4050)
Accuracy is given as (% measurement + % of range)
24 Hour
Range
(23 1 C)
[4]
100 A 0.01 + 0.02
1 mA 0.007 + 0.005
[4]
10 mA 0.007 + 0.02
100 mA 0.01 + 0.004
[3]
400 mA 0.03 + 0.004
[2]
1 A 0.03 + 0.02
[1][2]
3 A 0.05 + 0.02
[2]
10 A 0.1 + 0.008
[1] Part of 10 A range
[2] Available at front panel connectors only
[3] 400 mA continuously; 550 mA for 2 minutes on, 1 minute off.
[4] In RF fields of 3 V/m and frequencies of 1.7 GHz to 1.9 GHz, add 0.06% of range. With conducted RF
voltages of 3 Vrms and frequencies of 20 MHz to 50 MHz, add 0.08% of range.

Additional Current Errors

Digits
6½
6½
5½
5½
4½
90 Days
(23 5 C)
0.04 + 0.025 0.05 + 0.025
0.030 + 0.005 0.05 + 0.005
0.03 + 0.02 0.05 + 0.02
0.03 + 0.005 0.05 + 0.005
0.04 + 0.005 0.05 + 0.005
0.04 + 0.02 0.05 + 0.02
0.08 + 0.02 0.1 + 0.02
0.12 + 0.008 0.15 + 0.008
Additional NPLC Noise Error for
NPLC 1 mA, 100 mA, 400 mA, 3 A and
100
10
1 0.001 % of range
0.2
0.011 % of range 4 A
0.02
0.04 % of range 4 A
Introduction and Specifications
Temperature
1 Year
Coefficient/ C
(23 5 C)
Outside 18 to 28 C
0.002 + 0.003
0.002 + 0.0005
0.002 + 0.002
0.002 + 0.0005
0.005 + 0.0005
0.005 + 0.001
0.005 + 0.002
0.005 + 0.0008
Additional NPLC Noise Error
10 A
0 % of range
0 % of range
Electrical Specifications
for 100 A, 10 mA, 1 A
0 % of range
0 % of range
0.01 % of range
0.11 % of range 4 A
0.28 % of range 4 A
1
1-21