Table 9: Available measurement parameters
Option bar Description
Good
Bad
VEL
Displays the flow velocity.
N.A.
N.A.
VOLUM
Displays the volumetric flow.
N.A.
N.A.
+TOTL
Displays the forward totalized volume flow.
N.A.
N.A.
-TOTL
Displays the reverse totalized volume flow.
N.A.
N.A.
TIME
Displays the total flow measurement time.
N.A.
N.A.
MDOT
Displays the mass flow.
N.A.
N.A.
+MASS
Displays the forward totalized mass flow.
N.A.
N.A.
-MASS
Displays the reverse totalized mass flow.
N.A.
N.A.
SS up
Displays the signal strength for the upstream transducer.
50–75
<50 or >75
SS do
Displays the signal strength for the downstream transducer.
50–75
<50 or >75
SNDSP
Displays the measured speed of sound in the gas.
N.A.
N.A.
Tup
Displays the upstream ultrasonic signal transit time.
N.A.
N.A.
Tdown
Displays the downstream ultrasonic signal transit time.
N.A.
N.A.
DELTA
Displays the transit time difference between the upstream and
downstream signals.
N.A.
N.A.
Tot K
K factor, based on the Reynolds number.
N.A.
N.A.
PEAK%
Displays the percentage of peak (set to +50 by default).
N.A.
N.A.
Qup
Displays the signal quality for the upstream transducer.
>1200
–400 to +400
Qdown
Displays the signal quality for the downstream transducer.
>1200
–400 to +400
AMPup
Displays the value for the signal amplitude of the upstream transducer.
24 ± 5
<19 or >29
AMPdn
Displays the value for the signal amplitude of the downstream transducer.
24 ± 5
<19 or >29
CNTup
Displays the AGC DAC count for the upstream gain setting.
N.A.
N.A.
CNTdn
Displays the AGC DAC count for the downstream gain setting.
N.A.
N.A.
P#up
Displays signal peaks for the upstream transducer.
100-2300
<100 or >2300
P#dn
Displays signal peaks for the downstream transducer.
100-2300
<100 or >2300
TEMP
Displays the gas temperature (from 0/4-20 mA input).
N.A.
N.A.
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