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34
Retrotec Energy Innovations, Ltd.
DM-2A Mark II 2008-02-22
Preset Configuration
By default, your DM-2A mark II gauge is set to use a preset unit measurement configuration
for each of the available modes. These defaults affect how all measurements are displayed. The
default unit measurement configurations are listed in the following table:
Mode Settings
Pressure Pa
Flow cfm @ 50 Pa
EfLA Off @ 4 Pa
EqLA ft
2
@ 10 Pa
Air Changes /h @ 50 Pa
Flow per Area Off
EqLA per Area Off
Velocity Off
Velocity Flow Off
Choosing Custom Configuration Options
You can customize your mode configurations and unit measurements independently as
needed. The changes you apply to the unit measurements will affect the information displayed
by your gauge during your test operations. The custom unit measurement configurations
available for you to choose from are listed in the table shown next.
Mode Options
Pressure Pa in wc PSF
Flow Off cfm l/s m
3
/s m
3
/h
EfLA Off cm
2
in
2
ft
2
EqLA Off cm
2
in
2
ft
2
Air Change Off /h
Flow per Area Off m
3
/hr/m
2
cfm/ft
2
l/s/m
2
EqLA per Area Off ft
2
/ft
2
in
2
/100ft
2
in
2
/ft
2
cm
2
/m
2
Velocity Off m/s km/h f/s fpm
Velocity Flow Off cfm l/s m
3
/s m
3
/h
DM-2A Mark II Dual-Channel Pressure Gauge User Manual
5: Advanced Modes