TB 9-6625-174-24
APPENDIX B
PERFORMANCE TABLES
Fieldpiece, Model SC76 - Continued
Table B-266. DC Current (≤500 A).
Calibrator output
Test instrument
Applied
Range
Limits (A dc)
(A dc)
(A dc)
Min
Max
310 μ
340 μ
306.8 μ
313.2 μ
1
3100 μ
3400 μ
3068 μ
3132 μ
Connect TI terminals directly to calibrator OUTPUT terminals in step 10 a(1) and perform (3) through (6) as required for
1
DC Current values.
Table B-267. AC Current (≤500 A) (w/50 Turn Coil).
Calibrator output
Test instrument
Applied
Range
Limits (A dc)
(A ac)
(A ac)
Min
Max
0.62 @ 50 Hz
34
30.02
31.98
0.62 @ 400 Hz
34
29.40
32.60
5.4 @ 50 Hz
300
261.4
278.6
3 @ 400 Hz
300
142.0
158.0
Table B-268. Resistance.
Calibrator output
Test instrument
Limits (Ω)
Applied
Range
(Ω)
(Ω)
Min
Max
190
340
-1.421% (187.3)
+1.421% (192.7)
1.9 k
3.4 k
-1.421% (1.873 k)
+1.421% (1.927 k)
19 k
34 k
-1.421% (18.73 k)
+1.421% (19.27 k)
190 k
340 k
-1.421% (187.3 k)
+1.421% (192.7 k)
1.9 M
3.4 M
-1.737% (1.867 M)
+1.737% (1.933 M)
19 M
34 M
-3.263% (18.38 M)
+3.263% (19.62 M)
Table B-269. Capacitance.
Capacitance standard
Test instrument
Limits (μF)
Applied
Range
(μF)
(μF)
Min
Max
300
340
290.5
309.5
Table B-270. Temperature.
Cool/Heat source
Test instrument
Limits (F)
Applied
Range
(F)
Min
Max
-20
F
-24.4
-15.6
700
F
691
709
900
F
878
922
B-76
