TB 9-6625-174-24
APPENDIX B
PERFORMANCE TABLES
Meterman, Model AC40A
Table B-100. Calibration Description.
Test instrument parameters
Performance specifications
DC VOLTAGE
Range: 0 to 600 V dc
Accuracy: (1.2% rdg + 5 dgts)
AC VOLTAGE
Range: 0 to 600 V ac
Accuracy: 40 to 450 Hz, (1.5% rdg + 10 dgts)
AC CURRENT
Range: 0 to 400 A ac
Accuracy: 50 to 400 Hz, (2.0% rdg + 10 dgts)
Range: 0 to 400 Ω
Accuracy: (1.0% rdg + 5 dgts)
Table B-101. DC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V dc)
(V dc)
(V dc)
Min
Max
120
400
118.1
121.9
280
400
276.2
283.8
360
400
355.2
364.8
-360
400
-364.8
-355.2
540
600
529
551
Table B-102. AC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V ac)
(V ac)
(V ac)
Min
Max
360 @ 40 Hz
400
353.6
366.4
360 @ 450 Hz
400
353.6
366.4
540 @ 40 Hz
600
522
558
540 @ 450 Hz
600
522
558
Table B-103. AC Current (≤500 A) (w/50 Turn Coil).
Calibrator output
Test instrument
Applied
Range
Limits (A dc)
(A ac)
(A ac)
Min
Max
0.72 @ 50 Hz
40
35.18
36.82
0.72 @ 400 Hz
40
35.18
36.82
7.2 @ 50 Hz
400
351.8
368.2
7.2 @ 400 Hz
400
351.8
368.2
Table B-104. Resistance.
Calibrator output
Test instrument
Limits (%/Ω)
Applied
Range
(Ω)
(Ω)
Min
Max
190
400
-1.263% (187.6)
+1.263% (192.4)
B-29
