Channel Calibration
MXD70 Auxiliary mA Input
Setup and Operating Guide
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Channel Calibration
Calibration
Calibration Procedures
The user is provided with two methods of calibrating the Auxiliary mA Input Card.
2 Point Calibration – Selected by entering the “Aux mA Input Cal” menu item in the calibration
menu. This allows the user to calibrate a fixed mA input of 0mA, 4mA, or 20mA against a known
current source. Available calibration values depend upon the “Input Mode” menu setting in the
channel setup menu.
Solution Calibration – Selected by entering the “Sensor Solution Cal” menu item in the calibration
menu, this allows the user to adjust the scaled reading to match a known input. The amount of
offset applied is shown in the “Offset value” menu item and is effective across the full scale of the
current input.
Calibration Menu
The calibration menu provides the facility to adjust the sensor inputs to the system in which it is
operating.
The default security access code is 1000
Main Menu
From the front screen press the menu button to
show the main menu options and select Calibration.
/ – Select Option
EXIT
– Return to Front Screen
– Enter Option
Select Channel
Select the Auxiliary mA input channel you wish to
edit.
/ – Select Option
EXIT
– Return to Main Menu
– Enter Option
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