TB 9-6625-174-24
APPENDIX B
PERFORMANCE TABLES
Hioki, Model 3288
Table B-26. Calibration Description.
Test instrument parameters
Performance specifications
DC VOLTAGE
Range: 0 to 600 V dc
Range: (1.3% rdg + 4 dgts)
AC VOLTAGE
Range: 0 to 600 V ac
Accuracy: (2.3% rdg + 8 dgts) 30 to 500 Hz
DC CURRENT
Range: 0 to 1000 A dc
Accuracy: (1.5% rdg + 5 dgts)
AC CURRENT
Range: 0 to 1000 A ac
Accuracy: 100 A and 1000 A ranges: (1.5% rdg + 5 dgts) 45 Hz to 66 Hz,
(2.0% rdg + 5 dgts) 10 Hz to 45 Hz and 66 Hz to 500 Hz
Range: 0 to 42 MΩ
Accuracy: 420 Ω through 420 kΩ ranges: (2.0% rdg + 4 dgts); 4.2 MΩ range:
(5.0% rdg + 4 dgts); 42 MΩ range: (10.0% rdg + 4 dgts)
Table B-27. DC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V dc)
(V dc)
(V dc)
Min
Max
0.38
420 m
0.3747
0.3853
3.8
4.2
3.747
3.853
38.0
42
37.47
38.53
380
420
374.7
385.3
540
600
532.6
547.4
Table B-28. AC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V ac)
(V ac)
(V ac)
Min
Max
3.8 @ 30 Hz
4.2
3.705
3.895
3.8 @ 500 Hz
4.2
3.705
3.895
38 @ 30 Hz
42
37.05
38.95
38 @ 500 Hz
42
37.05
38.95
380 @ 30 Hz
420
370.5
389.5
380 @ 500 Hz
420
370.5
389.5
540 @ 30 Hz
600
526.8
553.2
540 @ 500 Hz
600
526.8
553.2
Table B-29. DC Current (≤500 A) (w/50-Turn Coil).
Calibrator output
Test instrument
Applied
Range
Limits (A dc)
(A dc)
(A dc)
Min
Max
1.8
100.0
88.6
91.4
B-7
