Basic Menu (BSC) continued
Parameter Meaning Options Description
SP HEAT
Fluid specific heat
capacity
BTU/lb
Allows adjustments to be made to the specific heat capacity of the liquid.
If a fluid was chosen from the FL TYPE list, a default specific heat will be automatically
loaded. This default value is displayed as SP HEAT in the BSC MENU. If the actual specific
heat of the liquid is known or it differs from the default value, the value can be revised. See
Table 5, Table 6 and Table 7 for specific values. Enter a value that is the mean of both pipes.
Specific Heat Capacity for Water
Temperature
Specific Heat BTU/lb ° F
° F ° C
32…212 0…100 1.00
250 121 1.02
300 149 1.03
350 177 1.05
Specific Heat Capacity Values for Common Fluids
Fluid
Temperature
Specific Heat BTU/lb ° F
° F ° C
Ethanol 32 0 0.65
Methanol 54 12 0.60
Brine 32 0 0.71
Brine 60 15 0.72
Sea Water 63 17 0.94
Specific Heat Capacity BTU/lb °F
Temperature Ethylene Glycol Solution (% by Volume)
° F ° C 25 30 40 50 60 65 100
–40 –40 n/a n/a n/a n/a 0.68 0.70 n/a
0 –17.8 n/a n/a 0.83 0.78 0.72 0.70 0.54
40 4.4 0.91 0.89 0.845 0.80 0.75 0.72 0.56
80 26.7 0.92 0.90 0.86 0.82 0.77 0.74 0.59
120 84.9 0.93 0.92 0.88 0.83 0.79 0.77 0.61
160 71.1 0.94 0.93 0.89 0.85 0.81 0.79 0.64
200 93.3 0.95 0.94 0.91 0.87 0.83 0.81 0.66
240 115.6 n/a n/a n/a n/a n/a 0.83 0.69
XDC SPAC
Transducer spacing
calculation
ENGLSH (Inches)
METRIC (Millimeters)
OTE:N This value is calculated by the firmware after all pipe parameters have been
entered. The spacing value only pertains to DTTR,DTTN, DTTL and DTTH
transducer sets.
This value represents the one-dimensional linear measurement between the transducers
(the upstream/downstream measurement that runs parallel to the pipe). This value
is in inches if ENGLSH was selected as UNITS; in millimeters if METRIC was selected.
This measurement is taken between the lines which are scribed into the side of the
transducer blocks.
If the transducers are being mounted using the transducer track assembly, a measuring
scale is etched into the track. Place one transducer at 0 and the other at the appropriate
measurement.
RATE UNT
Engineering units for
flow rate
Select an engineering unit for flow rate measurements.
US Gallons US Gallons Pounds LB
Liters Liters Kilograms KG
Millions of US Gallons MGal British Thermal Units BTU
Cubic Feet Cubic Ft Thousands of BTUs MBTU
Cubic Meters Cubic Me Millions of BTUs MMBTU
Acre Feet Acre Ft 1 Ton/HR [12000 BTU] TONHR
Oil Barrels Oil Barr [42 US Gallons] Kilojoule kJ
Liquid Barrels Liq Barr [31.5 US Gallons] Kilowatt kWH
Feet Feet Megawatt MWH
Meters Meters
RATE INT
Time interval for flow
rate
SEC Seconds
MIN Minutes
HOUR Hours
DAY Days
Select a time interval for flow rate measurements.
Conguration
Page 39 May 2016 TTM-UM-00136-EN-06
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