Unit °C^-1

[DanielDerer]

Hello,

in my VI I want to calculate the concentration of water with the help of this:

And I want to match the right units. I know the temperature is "degC" but how can I commit the unit "1/°C" to LabVIEW, because the constants (a0, a1 ...) have this unit.

Can you help me?

Thank You

Regards

[Stephan_D]

Hey DanielDerer,

to be honnest, I don't understand your request.

If you want to enter a0, a1, a2 ... on the frontpanel, you only need to create the correspondig controls. LabVIEW doesn't take units into account, if you make a mathematical calculation.

Stephan

[DanielDerer]

Hello Stephan,

I mean the units which you can display with a right-click. When yiou select "visible objects" you can choose unit. I can't write the unit 1/°C because there occurs a "?".

Do you know how to insert this unit?

Thank You

Regards

[Dennis_Knutson]

There is no such thing as 1/c units. The unit would apply to the c value.

[DanielDerer]

The units of the constants:

https://de.wikipedia.org/wiki/Dichteanomalie

[Dennis_Knutson]

I don't speak or read German and what I see in there it's referenced to T in degrees C which of course does have a unit.

[DanielDerer]

a₁ = 16,952577 (°C)⁻¹      =      a₁ = 16,952577 1/°C isn't it?

[Alexander_Sobolev]

in LV 2011 you have to write "degC^-1" instead of 1/degC. Also use multiplication (simple or compound arithmetic), square does not process units correctly.

You can use C, though it stands for Coulomb, but if you do not enter T in Fahrenheit and coefficients in 1/°C, it does not matter.

If you use consistent units or do not need Labview to check units conversion, I would use caption or numeric text formatting, you can enter °C for temperature or copy picture for complex units to make them look pretty.

[DanielDerer]

Hello Alexander,

thank you for your answer. Now I know how to do.

Regards