DigitalFlow™ XGM868i Service Manual
61
Appendix B. Calibration and Testing with PanaView
Table 10: Available Measurement Parameters
Option Bar
Description
Good
Bad
Velocity
Displays the flow velocity.
N.A.
N.A.
Volumetric
Displays the volumetric flow.
N.A.
N.A.
FWD Total
Displays the forward totalized volume flow.
N.A.
N.A.
REV Total
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.
FWD Mass
Displays the forward totalized mass flow.
N.A.
N.A.
REV Mass
Displays the reverse totalized mass flow.
N.A.
N.A.
UP Sig Strength
Displays the signal strength for the upstream transducer.
50–75
<50 or >75
DN Sig Strength
Displays the signal strength for the downstream transducer.
50–75
<50 or >75
Soundspeed
Displays the measured speed of sound in the gas.
N.A.
N.A.
UP Transit
Displays the upstream ultrasonic signal transit time.
N.A.
N.A.
DN Transit
Displays the downstream ultrasonic signal transit time.
N.A.
N.A.
Delta T
Displays the transit time difference between the upstream and
downstream signals.
N.A.
N.A.
K(Re)*MultiK*KFactor
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.
UP Signal Q
Displays the signal quality for the upstream transducer.
>1200
–400 to +400
DN Signal Q
Displays the signal quality for the downstream transducer.
>1200
–400 to +400
UP Amp Discrim
Displays value for signal amplitude of upstream transducer.
24 ± 5
<19 or >29
DN Amp Discrim
Displays the value for the signal amplitude of the
downstream transducer.
24 ± 5
<19 or >29
UP DAC Count
Displays the AGC DAC count for the upstream gain setting.
N.A.
N.A.
DN DAC Count
Displays the AGC DAC count for the downstream gain setting.
N.A.
N.A.
UP+-Peak
Displays signal peaks for the upstream transducer.
100-2300
<100 or >2300
DN+-Peak
Displays signal peaks for the downstream transducer.
100-2300
<100 or >2300
Temperature
Displays the gas temperature (from 0/4-20 mA input).
N.A.
N.A.
Pressure
Displays the gas pressure (from 0/4-20 mA input).
N.A.
N.A.
Act. Vol
Displays actual volumetric flow.
N.A.
N.A.
Std. Vol
Displays standard volumetric flow.
N.A.
N.A.
UP Transit S
1
Displays Skan transit time upstream.
N.A.
N.A.
DN Transit S
1
Displays Skan transit time downstream.
N.A.
N.A.
Delta T S
1
Displays Skan Delta T.
N.A.
N.A.
UP Transit M
1
Displays Measure transit time upstream.
N.A.
N.A.
DN Transit M
1
Displays Measure transit time downstream.
N.A.
N.A.
Delta T M
1
Displays Measure Delta T.
N.A.
N.A.
Vinst
Displays the instantaneous velocity.
N.A.
N.A.
1
available only if Burst Mode = S/M
Summary of Contents for DigitalFlo XGM868i
Page 2: ......
Page 4: ...ii no content intended for this page ...
Page 44: ...Chapter 4 Parts Replacement DigitalFlow XGM868i Service Manual 36 ...
Page 48: ...40 DigitalFlow XGM868i Service Manual no content intended for this page ...
Page 70: ...62 DigitalFlow XGM868i Service Manual no content intended for this page ...
Page 78: ...Warranty 70 DigitalFlow XGM868i Service Manual no content intended for this page ...
Page 79: ......