Filter
Top Products
Chapter 9. Diagnostics and Troubleshooting
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual 207
Xmit Corr
Up
Displays raw upstream signal correlated
with transmit signal.
N/A N/A
Xmit Corr
Dn
Displays raw downstream signal correlated
with transmit signal.
N/A N/A
Cross Corr Displays transmit upstream signal corre-
lated with transmit downstream signal.
N/A N/A
SS up Displays the signal strength for the
upstream transducer.
50-80 <50
SS do Displays the signal strength for the
downstream transducer.
50-80 <50
PEAK% Displays the Percent of Peak. Set to -40 by
default. To change see page 182.
N/A N/A
Qup Displays the signal quality for the upstream
transducer.
±300 or
higher
between
±100
Qdown Displays the signal quality for the down-
stream transducer.
±300 or
higher
between
±100
NFup Displays the normalization factor for the
upstream transducer.
0.85 - 1.0 <0.85
NFdn Displays the normalization factor for the
downstream transducer.
0.85 - 1.0 <0.85
TEMPs Displays the temperature for the supply
input (energy measurement).
N/A N/A
TEMPr Displays the temperature for the return
input (energy measurement).
N/A N/A
Ts - Tr Displays the difference between the tem-
perature for supply input and the tempera-
ture for return input (energy measurement).
N/A N/A
DENSs Displays the density for the supply input.
(Energy measurement.)
N/A N/A
DENSr Displays the density for the return input.
(Energy measurement.)
N/A N/A
DELTh Displays the delta enthalpy, or difference
between the supply and return enthalpy
(enthalpy is a measure of energy contained
in the fluid.) (Energy measurement.)
N/A N/A
Table 8: Diagnostic Parameters (cont.)
Diagnostic
Parameter Displays Good Bad