Analog Output Calibration - Thermo Scientific 5028i Instruction Manual

Servicing

Analog Output Calibration

Analog Output
Calibration
7-20 Model 5028i Instruction Manual
Input Channel Pin
7 9
8 10
Ground 4, 8, 11, 14
Use the following procedure to calibrate the analog outputs if a meter
reading in the "Analog Output
than one percent or after replacing the optional I/O expansion board.
Equipment Required:
Multimeter
1. Connect a meter to the channel to be adjusted and set to voltage or
current as appropriate.
Table 7–4 identifies the associated channels.
2. From the Main Menu, choose Service > Analog Out Cal.
The Analog Output Cal screen appears.
Note If Service Mode is not displayed, refer to
Mode" on page 7-4, then return to the beginning of this step.
3. At the Analog Output Cal menu, press
voltage channel or current channel corresponding to the rear panel
terminal pin where the meter is connected, then press
4. With the cursor at Calibrate Zero, press
The Analog Output Cal line displays Zero.
Note When calibrating the analog output, always calibrate zero first
and then calibrate full-scale.
5. Use until the meter reads the value shown in the Set
Output To line (0.0 V, or 0.0 or 4.0 mA), then press
the value.
6. Press to return to the previous screen.
7. Press
8. Use until the meter reads the value shown in the Set
Output To line, then press
Testing" procedure differed by more
Figure 7–9 shows the analog output pins and
s
to select Calibrate Full-Scale.
to save the value.
"Accessing the Service
s
to scroll to the desired
.
.
to save
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