TB 9-6625-174-24
APPENDIX B
PERFORMANCE TABLES
Fieldpiece, Model SC76
Table B-263. Calibration Description.
Test instrument parameters
Performance specifications
DC VOLTAGE
Range:0 to 600 V dc
Accuracy: (0.5% rdg + 1 dgt)
AC VOLTAGE
Range: 0 to 600 V ac
Accuracy: 50 to 500 Hz, (2.0% rdg + 4 dgts)
Range: 0 to 3400 μA
DC CURRENT
Accuracy: (1.0% rdg + 1 dgt)
AC CURRENT
Range: 0 to 300 A ac
Accuracy1: 34 A and 300 A ranges: 50 to 60 Hz, (3.0% rdg + 5 dgts);
60 to 400 Hz, (5.0% rdg + 5 dgts)
Range: 0 to 34 MΩ
Accuracy: 340 Ω to 340 kΩ ranges, (1.2% rdg + 4 dgts); 3.4 MΩ range,
(1.5% rdg + 4 dgts); 34 MΩ range, (3.0% rdg + 5 dgts)
Range: 0 to 340 μF
Accuracy: (3.0% rdg + 5 dgts)
TEMPERATURE
Range: -30 to 1000 F
Accuracy: -30 to -4 F, (2.0% rdg + 4 F); -4 to 32 F, (1.0% rdg + 1.5 F);
32 to 120 F, 1 F, 120 to 750 F, (1.0% rdg + 1.5 F);
750 to 1000 F, (2.0% rdg + 4 F)
60 to 400 Hz, on 300 A range only the span is 0 to 150 A.
1
Table B-264. DC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V dc)
(V dc)
(V dc)
Min
Max
310 m
340 m
308.3 m
311.7 m
3100 m
3400 m
3083 m
3117 m
11
34
10.93
11.07
24
34
23.87
24.13
31
34
30.83
31.17
-31
34
-31.17
-30.83
310
340
308.3
311.7
540
600
536
544
Table B-265. AC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V ac)
(V ac)
(V ac)
Min
Max
3.1 @ 50 Hz
3.4
3.034
3.166
3.1 @ 500 Hz
3.4
3.034
3.166
31 @50 Hz
34
30.34
31.66
31 @ 500 Hz
34
30.34
31.66
310 @ 50 Hz
340
303.4
316.6
310 @ 500 Hz
340
303.4
316.6
540 @ 50 Hz
600
525
555
540 @ 500 Hz
600
525
555
B-75
