TB 9-6625-199-24
APPENDIX B
PERFORMANCE TABLES
Wavetek, Model 2020
Test instrument parameters
Performance specifications
DC VOLTAGE
Range: 0 to 1000 V dc
Range: (0.25% rdg + 2 dgts)
AC VOLTAGE
Range: 0 to 1000 V ac
Accuracy: (2% rdg + 8 dgts) 45 to 400 Hz, 100 mV ac rng;
(2% rdg + 8 dgts) 45 Hz to 2 kHz, 1000 mV ac to 1000 V ac rngs
DC CURRENT
Range: 0 to 20 A dc
Accuracy: (1% rdg + 2 dgts), 1000 μA dc rng;
(0.5% rdg + 1 dgt), 10 and 100 mA DC rngs;
(1% rdg + 2 dgts), 1000 mA dc rng;
(1% rdg + 1 dgt), 10 and 20 A dc rngs1
AC CURRENT
Range: 0 to 20 A ac, 45 Hz to 1 kHz
Accuracy: (1.7% rdg + 8 dgts), 1000 μA ac and 10 mA ac rngs;
(1.7% rdg + 5 dgts), 100 and 1000 mA ac rngs;
(1.7% rdg + 3 dgts), 10 and 20 A ac rngs1
Range: 0 to 20 MΩ
Accuracy: (0.7% rdg + 4 dgts), 100 Ω rng;
(0.5% rdg + 4 dgts), 1 kΩ to 1 MΩ rngs;
(1.5% rdg + 4 dgts), 10 MΩ rng;
(2% rdg + 4 dgts), 20 MΩ rng
Range: 0 to 2 mF
Accuracy: (2% rdg + 3 dgts), 20 and 200 nF rngs;
(2% rdg + 2 dgts), 2 and 20 μF rngs;
(3% rdg + 3 dgts), 200 μF rng;
(3% rdg + 8 dgts), 2 mF rng
Range: 0 to 1.9999 MHz
Accuracy: (0.1% rdg + 2 dgts)
10 A continuous, 20 A 30 seconds.
1
Table B-36. DC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V dc)
(V dc)
(V dc)
Min
Max
90 m
100 m
89.75 m
90.25 m
900 m
1000 m
897.5 m
902.5 m
3
10
2.990
3.010
7
10
6.980
7.020
9
10
8.975
9.025
-9
10
-9.025
-8.975
90
100
89.75
90.25
900
1000
897.5
902.5
B-13