TB 9-6625-199-24
APPENDIX B
PERFORMANCE TABLES
Amprobe Instruments, Model 37XR-A
Table B-87. Calibration Description.
Test instrument parameters
Performance specifications
DC VOLTAGE
Range: 0 to 1000 V dc
Accuracy: (0.1% rdg + 5 dgts)
AC VOLTAGE
Range: 0 to 750 V ac, 45 Hz to 2 kHz
Accuracy: (1.2% + 10 dgts), 1000 mV to 100 V ac rngs, 45 Hz to 500 Hz;
(2.0% + 10 dgts), 1000 mV to 100 V rngs, 500 Hz to 2 kHz;
(2.0% + 10 dgts), 750 V rng, 45 Hz to 1 kHz
PEAK HOLD
Accuracy: 100 V and 750 V ac rngs, (3% rdg + 200 dgts);
1000 mV ac and 10 V ac rngs, unspecified
DC CURRENT
Range: 0 to 10 A dc
Accuracy: (0.5% rdg + 10 dgts), 100 μA dc range;
(0.5% rdg + 5 dgts), 1000 μA dc to 400 mA dc ranges;
(1.5% rdg + 10 dgts), 10 A dc range
AC CURRENT
Range: 0 to 10 A ac, 45 Hz to 1 kHz
Accuracy: (1.5% rdg + 10 dgts), 100 μA ac through 100 mA ac ranges;
(2.0% rdg + 10 dgts), 400 mA ac range
(2.5% rdg + 20 dgts), 10 A ac range
Accuracy: (3% rdg + 200 dgts); 100 μA ac range not specified
PEAK HOLD
Range: 0 to 40 MΩ
Accuracy: (0.5% rdg + 8 dgts), 1000 Ω to 1000 kΩ ranges;
(1.0% rdg + 10 dgts), 10 MΩ range;
(2.0% rdg + 10 dgts), 40 MΩ range
Range: 0 to 400 μF
Accuracy: (3.0% rdg + 10 dgts), 40 nF and 400 μF ranges;
(3.0% rdg + 5 dgts), 400 nF to 40 μF ranges
Range: 0 to 10 MHz
Accuracy: (0.1% rdg + 5 dgts)
Sensitivity: 3 Hz to 1 MHz, >1.5 V rms; 1 MHz to 10 MHz, >1.5 V rms <5 V rms
Range: 0 to 40 H
Accuracy: (5.0% rdg + 30 dgts)
Not calibrated due to lack of standards, use DA Label 163. If inductance calibration is required, TI will have to be evacuated
1
to reference lab.
Table B-88. DC Voltage.
Calibrator output
Test instrument
Applied
Range
Limits (V dc)
(V dc)
(V dc)
Min
Max
900 m
1000 m
898.6 m
901.4 m
3
10
2.992
3.008
-3
10
-3.008
-2.992
5
10
4.990
5.010
-5
10
-5.010
-4.990
7
10
6.988
7.012
-7
10
-7.012
-6.988
9
10
8.986
9.014
-9
10
-9.014
-8.986
90
100
89.86
90.14
900
1000
898.6
901.4
B-35