TB 9-6625-199-24
APPENDIX B
PERFORMANCE TABLES
Beckman Instruments, Model RMS225
Test instrument parameters
Performance specifications
DC VOLTAGE
Range: 0 to 1000 V dc
Accuracy: (0.25% rdg + 6 dgts), 1 V dc rng;
(0.25% rdg + 3 dgts), 10 to 400 V dc rngs;
(0.4% + 3 dgts), 400 to 1000 V dc rngs
AC VOLTAGE
Range: 0 to 750 V ac
Accuracy: (1.5% rdg + 8 dgts), 45 Hz to 10 kHz, 0.2 to 29.9 V ac;
(2.5% rdg + 8 dgts), 10 to 30 kHz, 2 to 29.9 V ac;
(1.5% rdg + 8 dgts), 45 Hz to 1 kHz, 30 to 100 and 20 to 750 V ac
DC CURRENT
Range: 0 to 10 A dc
Accuracy: (0.75% rdg + 8 dgts)
AC CURRENT
Range: 0 to 10 A ac
Accuracy: (1.75% rdg+ 8 dgts), 45 to 1000 Hz
Range: 0 to 40 MΩ
Accuracy: (0.5% rdg + 1 dgt), 1 kΩ to 1 MΩ rngs;
(0.5% rdg + 2 dgts), 10 MΩ rng;
(1.5% + 2 dgts),40 MΩ rng
Table B-205. DC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V dc)
(V dc)
(V dc)
Min
Max
900 m
1
897.1 m
902.9 m
9
10
8.974
9.026
20
100
19.92
20.08
50
100
49.84
50.16
70
100
69.79
70.21
90
100
89.74
90.26
-90
100
-90.26
-89.74
390
1000
388.7
391.3
900
1000
896.1
903.9
Table B-206. AC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V ac)
(V ac)
(V ac)
Min
Max
9 @ 50 Hz
10
8.857
9.143
9 @ 1 kHz
10
8.857
9.143
9 @ 10 kHz
10
8.857
9.143
90 @ 50 Hz
100
88.57
91.43
90 @ 1 kHz
100
88.57
91.43
20 @ 30 kHz
100
19.42
20.58
700 @ 50 Hz
750
688.7
711.3
700 @ 1 kHz
750
688.7
711.3
B-80