7ML19985AN02 SITRANS LU10 – INSTRUCTION MANUAL Page 51
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Enhancement Parameters
Temperature Compensation Parameters (P660 to
P664)
P660 TEMP SOURCE
This feature is preset to "AUTO". On scanning a transducer, the SITRANS LU10
scans the TS-3 temperature sensor* assigned to the transducer. If a TS-3 sensor
is not connected, the temperature measurement from the ultrasonic /
temperature transducer is used. If the transducer used does not have an integral
temperature sensor, the Temp Fixed (P661) value is used.
If the temperature of the atmosphere within the transducer beam varies with
distance from the transducer, connect a TS-3 temperature sensor* and an
ultrasonic / temperature transducer for the Point Number and select "average".
* Unless equipped with a TIB-9 Card, the SITRANS LU10 provides input
terminals for only one TS-3 connection. When a TIB-9 card is installed, up to 10
TS-3 temperature sensors may be connected. Refer to
Installation
TIB-9 Card
and Interconnection.
If the atmosphere temperature of several vessels is identical, connect a TS-3
Temperature Sensor to terminals 21 and 22 and select "TS-3 SENSOR # 1". The
temperature measurement from the single TS-3 is used for the air temperature
measurement of all Point Numbers allocated to TS-3 number 1. (See
Temperature Sensor Allocation, P662).
values: 1 = AUTO
2 = Temp Fixed
3 = Ultrasonic / Temperature Transducer
4 = TS-3 Temperature Sensor
5 = Average
6 = TS-3 SENSOR # 1
P661 TEMP FIXED
Use this feature if a temperature sensing device is not used.
Enter the temperature (in °C) of the vessel atmosphere within the transducer
beam. If the temperature varies with distance from the transducer, enter the
average temperature. This value is preset to 20.00 °C.
values: -50 to 150
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