Technical data
Performance Tests and Calibration 7
U1401A User’s and Service Guide 137
Output performance verification
To verify the output functions of the Handheld
Multi- Function Calibrator/Meter, perform the verifications
tests listed in Table 7- 4. Refer to Table 7- 1 on page 131 for
the recommended test equipment for verifying each function.
Table 7 - 4 Output performance verification tests
Step Function
Recommended test
equipment and connection
Range or
parameter
U1401A
output
Error from
nominal 1
year
1 Turn the rotary switch to
any one of the
positions.
Connect the U1401A output
terminals to the 34405A
Multimeter.
±1.5000 V –1.5 V ±0.75 mV
0 V ±0.3 mV
+1.5 V ±0.75 mV
±15.000 V –15 V ±7.5 mV
0 V ±3 mV
+15 V ±7.5 mV
2 Turn the rotary switch to
any one of the
positions.
Connect the U1401A output
terminals to the 34405A
Multimeter.
±25.000 mA –25 mA ±0.125 µA
+25 mA ±0.125 µA
3 Turn the rotary switch to
any one of the
positions.
Connect the U1401A output
terminals to the 53131A
Universal Counter.
Frequency
(10 kHz)
4.8 kHz ±0.25 Hz
Frequency
(1 kHz)
600 Hz ±0.04 Hz
Duty cycle
(0.39% to
99.60%)
5 V, 25%
@150 Hz
±0.203%
5 V, 75%@
150 Hz
±0.208%