Principle Of Operation; Measurement Mode - Level Pro ITC 450 User Manual

ITC 450/470
User manual
Symbols and functions of Push Buttons:
ESC
MENU
ENTER

6. PRINCIPLE OF OPERATION

After turning the power supply on, device ID and software version are showed on the display, next the
controller goes to the measurement mode.

6.1. MEASUREMENT MODE

In the measure mode, the measurement results, converted over selected characteristic, are displayed on the
LED display. The measurement range equal to the nominal range is called: nominal measurement range, and
the measurement range equal to the extended nominal range is called: permissible measurement range
(Figure 6.1, 6.2).
For temperature inputs (TC and RTD) there is linear characteristic available only. For this kind of inputs
nominal measurement range, and permissible measurement range are the same (no range extension
available, Figure 6.3).
Symbol used in the manual : [ESC/MENU]
Functions:
• Enter to main menu ( press and hold for at least 2 sec.)
• Exit the current Screen and Enter to previous menu (or measure mode)
• Cancel the changes made in parameter being edited
Symbol used in the manual : [ENTER]
Functions :
• Start to edit the parameter
• Enter into the sub-menu,
• Confirmation of changes made in parameter being edited
Symbol used in the manual : [^] [v]
Functions :
• Change of the present menu,
• Modification of the parameter value,
• Change of the display mode.
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