Table 4- 1 Typical Gas Application Problems - Siemens SITRANS F Programming Manual

Table 4- 1
Maximum pipe diameter exceeded. (Select larger sensor size.)
Maximum pipe diameter exceeded. (Select smaller sensor size.)
Pipe diameter too small for selected sensor.
Flow velocity exceeds limit of installation.
Accuracy limitation at minimum velocity.
Temperature above sensor limits.
Temperature below sensor limits.
Poor sensor match to pipe wall. (Consult factory)
Poor diameter-to-wall thickness ration. (Consult factory)
Excessive wall thickness. (Consult factory)
Pipe diameter must be greater than "____". (Consult factory). If "inch" units are selected: 1 inch. If
"mm" units are selected: 25.4 mm.
Pressure may be too low for clamp-on. (Consult factory)
Carbon dioxide mole % too high.
H2S mole % to high.
Liquid Tool
The [Liquid Sensor Selection and Sizing Tool] screen allows the user to select product units,
pipe data, liquid properties and to calculate sensor selection and sensor installation
methods.
Liquid Sensor Selection and Sizing Tool Screen
To display the [Liquid Sensor Selection and Sizing Tool] screen:
1. In the [Utilities] drop down menu select [Liquid Tool].
2. In the [Liquid Sensor Selection and Sizing Tool] screen, select a liquid from the [Liquid
3. Click the [Calculate] button.
4. Select the [Application Calcs.], [Repeatability Graph] or [Application Problems] tab, if
5. Si-Ware will calculate the recommended sensor type, sensor size, mounting method and
Si-Ware Quick Start
Programming Manual, 10/2011, A5E02951525-03
Typical Gas Application Problems
Properties] drop down menu. Select additional variables as needed.
available, to view the desired outputs. The [Application Problems] tab will not be available
if there are no problems present.
spacing offset.
Warning Descriptions
Menu Screens
4.6 Utilities Menu
39