TB 9-6625-199-24
APPENDIX B
PERFORMANCE TABLES
Meterman, Model DM7B
Table B-159. Calibration Description.
Test instrument parameters
Performance specifications
DC VOLTAGE
Range: 0 to 600 V dc
Accuracy: (1.2% rdg + 3 dgts)
AC VOLTAGE
Range: 100 mV ac to 600 V ac, 40 Hz to 1 kHz
Accuracy: (1.5% rdg + 3 dgts)
DC CURRENT
Range: 0 to 200 mA dc
Accuracy: (2.5% rdg + 3 dgts)
Range: 0 to 2 MΩ
Accuracy: (1.5% rdg + 3 dgts)
Table B-160. DC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V dc)
(V dc)
(V dc)
Min
Max
1.9
2
1.874
1.926
19
20
18.74
19.26
190
200
187.4
192.6
540
600
531
549
Table B-161. AC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V ac)
(V ac)
(V ac)
Min
Max
190 @ 40 Hz
200
186.8
193.2
190 @ 1 k
200
186.8
193.2
540 @ 40 Hz
600
529
551
540 @ 1 k
600
529
551
Table B-162. DC Current.
Calibrator output
Test instrument
Applied
Range
Limits (A dc)
(A dc)
(A dc)
Min
Max
190 m
200 m
184.9 m
195.1 m
Table B-163. Resistance.
Calibrator output
Test instrument
Limits (%/Ω)
Applied
Range
(Ω)
(Ω)
Min
Max
1.9 k
2000
-1.68% (1868)
+1.68% (1932)
19 k
20 k
-1.68% (18.68 k)
+1.68% (19.32 k)
190 k
200 k
-1.68% (186.8 k)
+1.68% (193.2 k)
1.9 M
2M
-1.68% (1.868 M)
+1.68% (1.932 M)
B-62
