Siemens SITRANS L Series, Руководство по эксплуатации, Страница: 55 / 106

Setup with the integrated HMI
7.6.2 Application example volume flow
7
Lower calibration point
8
Level
Figure 7.9 Application example level
Quick commissioning
parameter
Setting/value Description
Operation Level Material level with reference to the " Lower
calibration point
Material type Liquid
Unit m Measuring unit of the transmitter
Lower calibration point 9.0 m Zero point of the process
Upper calibration point 1.0 m Full point of the process
7.6.2 Application example volume flow
In this example, a 12 inch (0.305 m) venturi flume is installed in an open channel.
According to the manufacturer's data sheet, the maximum nominal flow rate of the
device is 1143 m
3
per hour at a maximum level of 0.6 m. The SITRANS LR150 was
installed at a height of 1.6 m above the channel.
1
Transmitter
2
2/3 of the dimension of the converging
3
Measure of the converging
4
Direction of flow
5
Zero level (head)
Figure 7.10 Application example volume flow
1
Upper calibration point (1.0 m)
2
Lower calibration point (1.6 m)
46
SITRANS LR150
Operating Instructions, 08/2020, A5E50352155