KROHNE Summit 8800 Vol 1 - Manual (Page 84)

84 www.krohne.com 08/2013 - MA SUMMIT 8800 Vol1 R02 en
SUMMIT 8800 CALIBRATION 08
8 .1 .2 RTD Input
To calibrate the PT-100 temperature input.
Main Controls
Start Calibrate
Starts the calibration process
Write Write the new calibration data to the flow computer
Discard Discards any calibration changes made.
Default Reverts to default factory calibration.
Stop Calibrate Stops the calibration process.
Figure 92 RTD Input calibration screen
RTD Calibration Procedure
• Apply the Lower Calibration input to the unit (e.g. set the RTD input to 0°C )
• Type in 0 to the Wanted box for Point 1 above.
• Press the Set button for Point 1
• Wait for stabilization.
• Apply the Upper Calibration input to the unit (e.g. set the RTD input to 100°C)
• Type in 100 to the Wanted box for Point 2 above.
• Press the Set button for Point 2.
• Wait for Stabilization.
NOTE: Other calibration points can be used.
It may be necessary to repeat the above steps a number of times until the predicted value is
stable and correct for both the lower and upper calibration points.
Once the Calibration is correct and stable for both points, select the Write button to commit the
calibration to memory.
Select Close button to exit the RTD Calibration menu.
8 .1 .3 Analog Input Calibration
0/4-20mA calibration