TB 9-6625-199-24
APPENDIX B
PERFORMANCE TABLES
Amprobe Instruments, Model 38XR-A Continued
Table B-97. AC, AC+DC Voltage and dBm Continued.
Calibrator output
Test instrument
Applied
Range
Limits (V ac)
(V ac)
(V ac)
Min
Max
3 @ 45 Hz
10
2.945
3.055
3 @ 2 kHz
10
2.915
3.085
5 @ 45 Hz
10
4.915
5.085
5 @ 2 kHz
10
4.865
5.135
7 @ 45 Hz
10
6.885
7.115
7 @ 2 kHz
10
6.815
7.185
9 @ 45 Hz
10
8.855
9.145
9 @ 2 kHz
10
8.765
9.235
90 @ 45 Hz
100
88.55
91.45
90 @ 2 kHz
100
87.65
92.35
675 @ 45 Hz
750
657.1
692.9
675 @ 1 kHz
750
657.1
692.9
After applying voltage, press TI PEAK switch for more than 2 seconds to calibrate the Peak Hold function.
1
Press TI PEAK switch once to display the maximum (P+) and again to display the minimum (P-) peak values. The TI
2
indication must be within the values listed in the Limits column. Press TI PEAK switch for more than 1 second to exit the
Peak Hold function.
3 Press TI yellow button and verify display shows dBm.
3 Set TI function switch to AC+DC Volts position.
Table B-98. DC Current.
Calibrator output
Test instrument
Applied
Range
Limits
(A dc)
(A dc)
Min
Max
90 μ
100 μ
89.45 μA
90.55 μA
900 μ
1000 μ
895.0 μA
905.0 μA
9m
10 m
8.950 mA
9.050 mA
90 m
100 m
89.50 mA
90.50 mA
360 m
400 m
357.7 mA
362.3 mA
9
10
8.855 A
9.145 A
4-20 mA1
12 m
49.45 %
50.55 %
Set TI function switch to 4-20 mA position.
1
B-41
