Page 32 COMMUNICATIONS FOR SITRANS LUT400 (HART) – MANUAL A5E33701270
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Operation - PDM
Echo setup
1. Select the Echo Setup tab to configure echo processing related product parameters.
Maintenance
You can set schedules for:
• maintenance of the device based on its projected lifetime
• maintenance of the sensor based on its projected lifetime
•service
• calibration
To set Device/Sensor Maintenance schedules:
1) Open the menu Device – Maintenance, and click on the Remaining Device/Sensor
Lifetime tab.
2) Modify desired values, and if desired, set reminders for either or both of Reminder 1
(Required)/Reminder 2 (Demanded)
3) Click on Write.
4) Click on Read, to see the effects of your modification.
5) Click on Snooze for 1 year to add a year to the Lifetime (Expected).
algorithm
reform echo
narrow echo filter
damping filter
fill rate/min.
empty rate/min.
LOE timer
material level
fail-safe mA value
temp. source
fixed temp.
sound vel. at 20 °C
echo threshold
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