Siemens SITRANS LUT400 Manual page 38

Auto Zero Head
Enter the actual head value to have Head Measurement calculated and an offset entered if
necessary.
Open the menu Device – Auto Zero Head to view:
• Zero Head Offset (read only)
• Head Measurement (read only)
• Actual Head Value
Click the button 'Set Zero Head' when the Actual Head Value differs from the Head
Measurement to automatically adjust Zero Head.
Auto Sensor Offset
Enter the actual distance value to have Distance Measurement calculated and a sensor offset
entered if necessary.
Open the menu Device – Auto Sensor Offset to view:
• Sensor Offset (read only)
• Distance Measurement (read only)
• Desired Distance for Auto Sensor Offset
Click the button 'Transfer' when the Desired Distance for Auto Sensor Offset differs from the
Distance Measurement to automatically adjust Sensor Offset.
Auto Sound Velocity
Enter the actual distance value to have the Distance Measurement calculated and speed of
sound adjusted if necessary.
Open the menu Device – Auto Sound Velocity to view:
• Sound Velocity at 20 degrees C (read only)
• Distance Measurement (read only)
• Desired Distance for Auto Sound Velocity
Click the button 'Transfer' when the Desired Distance for Auto Sound Velocity differs from the
Distance Measurement to automatically adjust Sound Velocity at 20 degrees C.
Real Time Clock
Use to view and change the date and time in the device.
Product Capabilities
Allows you to set the product capabilities of the device (Level, Pump and Flow, OCM), or read
the product capabilities from the device.
1) Open the menu Device – Product Capabilities.
2) Select product capability from the drop-down box, or click on button Read Product
Capabilities from Device.
3) Click on OK to save.
Page 34 COMMUNICATIONS FOR SITRANS LUT400 (HART) – MANUAL A5E33701270