To Calibrate The Gain For Channels 1 And 2 - HP 53132A Assembly And Service Manual

Chapter 2 Service
The HP 53131A/132A Calibration Procedures

To Calibrate the Gain for Channels 1 and 2

1 Press any one of the arrow keys until CAL: GAIN 1 ? is displayed.
2 Press Enter key.
A scrolling message is displayed. Follow the instruction by performing the
following steps.
3 Connect a BNC tee connector to Channel 1 of the Counter.
4 Connect the Counter, dc power supply, and digital multimeter as
shown in Figure 2-2.
DC Power Supply
- -
+
Figure 2-2. Gain Calibration Setup
5 Adjust the power supply until the digital multimeter displays
+ 5.000 V ± 0.001 V.
6 Disconnect the digital multimeter from the Counter to prevent
noise from being introduced into the measurement.
7 Press Enter key.
The Counter momentarily displays CALIBRATING , and then it should
display GAIN 1 PASS .
If the fail message is displayed, refer to the troubleshooting section in this
chapter.
2-18
HP 53131A/132A
Counter Digital Multimeter
BNC Tee
Assembly-Level Service Guide