TB 9-6625-174-24
APPENDIX B
PERFORMANCE TABLES
Extech, Model EX830
Table B-212. Calibration Description.
Test instrument parameters
Performance specifications
DC VOLTAGE
Range: 0 to 600 V dc
Accuracy: 400 mV range, (0.8% rdg + 2 dgts); 4 V thru 400 V ranges,
(1.5% rdg + 2 dgts); 600 V range, (2.0% rdg + 2 dgts)
AC VOLTAGE
Range: 0 to 600 V ac
Accuracy: 50 to 60 Hz: 400 mV range, (1.0% rdg + 10 dgts);
4 V thru 400 V ranges, (1.5% rdg + 5 dgts);
600 V range, (2.0% rdg + 5 dgts)
DC CURRENT
Range: 0 to 1000 A dc
Accuracy: 400 A range, (2.5% rdg + 5 dgts);
1000 A range, (2.8% rdg + 5 dgts)
AC CURRENT
Range: 0 to 1000 A ac
Accuracy: 50 to 60 Hz: 400 A range, (2.5% rdg + 8 dgts);
1000 A range, (2.8% rdg + 5 dgts)
Range: 0 to 40 MΩ
Accuracy: 400 Ω range, (1.0% rdg + 4 dgts); 4 kΩ thru 400 kΩ ranges,
(1.5% rdg + 2 dgts); 4 MΩ range, (2.5% rdg + 3 dgts);
40 MΩ range, (3.5% rdg + 5 dgts)
Range: 0 to 4 kHz
Accuracy: (1.5% rdg + 2 dgts)
Sensitivity: 100 V (<50 Hz); 50 V (50 to 400 Hz); 5 V (401 to 4 kHz)
Range: 0 to 40 mF
Accuracy: 4 nF range, (5.0% rdg + 30 dgts); 40 nF range,
(5.0% rdg + 20 dgts); 400 nF thru 40 μF ranges,
(3.0% rdg + 5 dgts); 400 μF range, (4.0% rdg + 10 dgts);
4 mF range, (10.0% rdg + 10 dgts); 40 mF range, not specified
TEMPERATURE (Type-K)1
Range: -4 to 1400 F
Accuracy: (3.0% rdg + 9 F)
Range: -20 to 760 C
Accuracy: (3.0% rdg + 5 C)
Temperature (IR) not calibrated. Attach DA Label 163 reflecting such.
1
Table B-213. DC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V dc)
(V dc)
(V dc)
Min
Max
360 m
400 m
356.9 m
363.1 m
3.6
4
3.544
3.656
36
40
35.44
36.56
360
400
354.4
365.6
540
600
527
553
B-62
