TB 9-6625-174-24
APPENDIX B
PERFORMANCE TABLES
Fieldpiece, Model SC67
Table B-255. Calibration Description.
Test instrument parameters
Performance specifications
DC VOLTAGE
Range:0 to 200 V dc
Accuracy: (0.5% rdg + 1 dgt)
AC VOLTAGE
Range: 0 to 600 V ac
Accuracy: 200 V range, 50 Hz to 1 kHz, (1.2% rdg + 3 dgts); 600 V range,
50 to 500 Hz, (2.0% rdg + 5 dgts)
Range: 0 to 200 μA
DC CURRENT
Accuracy: (1.0% rdg + 1 dgt)
AC CURRENT
Range: 0 to 200 A ac
Accuracy: 50 to 60 Hz, (3.0% rdg + 5 dgts)
Range: 0 to 200 kΩ
Accuracy: (1.0% rdg + 3 dgts)
Range: 0 to 200 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)
Table B-256. DC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V dc)
(V dc)
(V dc)
Min
Max
60
200
59.6
60.4
140
200
139.2
140.8
180
200
179.0
181.0
-180
200
-181.0
-179.0
Table B-257. AC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V ac)
(V ac)
(V ac)
Min
Max
180 @ 50 Hz
200
177.5
182.5
180 @ 1 kHz
200
177.5
182.5
540 @ 50 Hz
600
524
556
540 @ 500 Hz
600
524
556
Table B-258. DC Current (≤500 A).
Calibrator output
Test instrument
Applied
Range
Limits (A dc)
(A dc)
(A dc)
Min
Max
180 μ
200 μ
178.1 μ
181.9 μ
B-73
