TB 9-6625-199-24
APPENDIX B
PERFORMANCE TABLES
Wavetek, Model 25XT
Test instrument parameters
Performance specifications
DC VOLTAGE
Range: 0 to 1000 V dc
Accuracy: (0.5% rdg + 1 dgt)
AC VOLTAGE
Range: 0 to 750 A ac, 50 Hz to 1 kHz
Accuracy: (1% of rdg + 4 dgts) @ 50 to 500 Hz;
(1.5% of rdg + 4 dgts) @ 500 Hz to 1 kHz
DC CURRENT
Range: 0 to 10 A dc
Accuracy: (1% of rdg + 1 dgt), 200 μA dc to 100 mA dc rngs;
(2% of rdg + 3 dgts), 10 A dc rng
AC CURRENT
Range: 0 to 10 A dc
Accuracy: (1.5% of rdg + 4 dgts), 200 μA ac to 100 mA ac rngs;
(2.5% of rdg + 4 dgts), 10 A ac rng
Range: 0 to 20 MΩ
Accuracy: (1% of rdg + 4 dgts), 200 Ω to 2 MΩ rngs;
(2% of rdg + 4 dgts), 20 MΩ rng
Range: 0 to 20 mF
Accuracy: (2% of rdg + 0.5 pF), 200 pF rng;
(2% of rdg + 4 dgts), 2 nF to 2000 μF rngs;
(3% of rdg + 4 dgts), 20 mF rng
Range: 0 to 40 kHz
Sensitivity: 2 V rms
Accuracy: >10 Hz (0.1% of rdg + 3 dgts)
Table B-53. DC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V dc)
(V dc)
(V dc)
Min
Max
180 m
200 m
179.0 m
181.0 m
1.8
2
1.790
1.810
6
20
5.96
6.04
14
20
13.92
14.08
18
20
17.90
18.10
-18
20
-18.10
-17.90
180
200
179.0
181.0
900
1000
894
906
B-20