Dynasonics TFXP Series Transit Time Ultrasonic Flow Meter - Manual (Page 50)

Rev. 5/09
-3.12- TFXP
Table 3.2 — Specific Heat Capacity Values
for Ethylene Glycol/Water
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
Table 3.3 — Specific Heat Capacity Values
for Propylene Glycol/Water
Specific Heat Capacity BTU/lb °F
Polypropylene Glycol Solution (% by Volume)
0 10 20 30 40 50 60
1.00 0.98 0.96 0.94 0.90 0.85 0.81
Table 3.4 — Specific Heat Capacity Values
for Other Common Fluids
Fluid
Temperature
°F
Temperature
°C
Specific Heat BTU/lb °F
Alcohol, ethyl 32 0 0.65
Alcohol, methyl 54 12 0.60
Brine 32 0 0.71
Brine 60 15 0.72
Sea Water 63 17 0.94
PART 3 - KEYPAD CONFIGURATION