TB 9-6625-174-24
APPENDIX B
PERFORMANCE TABLES
B&K Precision, Model 369B
Test instrument parameters
Performance specifications
DC VOLTAGE
Range: 0 to 1000 V dc
Accuracy: (0.5% rdg + 1 dgt)
AC VOLTAGE
Range: 0 to 750 A ac
Accuracy: 400 mV range: 50 to 100 Hz, >40 mV to 400 mV, (1.5% rdg +
4 dgts); All other ranges: 50 to 500 Hz, (1.5% rdg + 4 dgts)
DC CURRENT
Range: 0 to 1000 A dc
Accuracy: 400 A range: (1.5% rdg + 5 dgts); 1000 A range: 0 to 600 A,
(1.5% rdg + 5 dgts); 600 to 800 A, (2.5% rdg + 5 dgts); >800 A,
3.5% rdg + 5 dgts)
AC CURRENT
Range: 0 to 1000 A dc
Accuracy: 50 to 60 Hz: 400 A range, (1.5% rdg + 5 dgts); 1000 A range, 0 to
600 A, (1.5% rdg + 5 dgts), >600 A, (2.0% rdg + 5 dgts);
60 to 400 Hz: 400 A range, (3.0% rdg + 5 dgts); 1000 A range, 0 to
600 A, (3.0% rdg + 5 dgts); >600 A, (3.5% rdg + 5 dgts)
Range: 0 to 40 MΩ
Accuracy: 400 Ω range, (1.2% rdg + 4 dgts); 4 to 400 kΩ ranges, (1.0% rdg +
2 dgts); 4000 kΩ range, (1.5% rdg + 4 dgts); 40 MΩ range, (2.0%
rdg + 4 dgts)
Range: 0 to 400 kHz
Accuracy: 100 Hz range, (0.1% rdg + 10 dgts); 1 and 10 kHz ranges, (0.1%
rdg + 4 dgts); 100 kHz range, (0.1% rdg + 8 dgts); 400 kHz range,
(0.1% rdg + 20 dgts)
Trigger level: 2.5 V rms
Range: 0 to 40 μF
Accuracy: 4 nF range, (1.5% rdg + 40 dgts); 40 nF to 4 μF ranges, (1.5% rdg
+ 4 dgts); 40 μF range <20 μF, (1.5% rdg + 4 dgts); 40 μF range
>20 μF, (5.0% rdg + 4 dgts)
Table B-40. DC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V dc)
(V dc)
(V dc)
Min
Max
360 m
400 m
358.1
361.9
3.6
4
3.581
3.619
12
40
11.93
12.07
28
40
27.85
28.15
36
40
35.81
36.19
-36
40
-36.19
-35.81
360
400
358.1
361.9
900
1000
894
906
B-10