TB 9-6625-174-24
APPENDIX B
PERFORMANCE TABLES
Ideal Industries, Model 61-720 Continued
Table B-72. AC Current (≤500 A) (w/50-Turn Coil).
Calibrator output
Test instrument
Applied
Range
Limits (A dc)
(A ac)
(A ac)
Min
Max
0.36 @ 40 Hz
20
17.32
18.68
0.36 @ 50 Hz
20
17.69
18.31
0.36 @ 60 Hz
20
17.69
18.31
0.36 @ 500 Hz
20
17.32
18.68
3.6 @ 40 Hz
200
173.2
186.8
3.6 @ 50 Hz
200
176.9
183.1
3.6 @ 60 Hz
200
176.9
183.1
3.6 @ 500 Hz
200
173.2
186.8
Table B-73. AC Current (≤1000 A) (w/50-Turn Coil).
Calibrator output
Ammeter calibrator
Test instrument
Applied
Range
Range
Limits (A ac)
(V ac)
(A ac)
(A ac)
Min
Max
1.8 @ 40 Hz
20
1000
863
937
1.8 @ 50 Hz
20
1000
882
918
1.8 @ 60 Hz
20
1000
882
918
1.8 @ 500 Hz
20
1000
863
937
Table B-74. Resistance.
Calibrator output
Test instrument
Limits (%/Ω)
Applied
Range
(Ω)
(Ω)
Min
Max
190
200
-1.3158% (187.5)
+1.3158% (192.5)
190 k
200 k
-1.3158% (187.5 k)
+1.3158% (192.5 k)
B-21