Martel Electronics BetaGauge 3II User Manual
Page 40
3-5
Basic Operations
NOTE: The last selection in the list of pressure
units is User, which allows you to define your own
pressure unit for display purposes. Refer to Section
5 for more information.
4.
To return to the Setup menu, press the CLR key.
Selecting a Water Column Measurement
In the list of available display units for a BetaPort–P
pressure module, InWC and cmWC are water column
equivalent measurements. If you select a water column
pressure unit, you must also select the appropriate
temperature for water density correction. The available
temperature selections and their recommended use are
listed below:
Temperature
Recommended Use
4°C
Scientific applications
20°C
Industrial applications (ISA)
60°F
American Gas Association
If there is any question regarding temperature
compensation, consult the proper engineering authority
at your facility.