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SL1188P Ultrasonic transit-time flowmeter
Revision
:
2.0.0
Page 53 of 81
9.
Appendix1 - Flow Application Data
9.1.
Sound Velocity and Viscosity for Fluids Commonly Used
Fluid
Sound
Velocity (m/s)
Viscosity
water 20
℃
1482
1.0
water 50
℃
1543
0.55
water 75
℃
1554
0.39
water100
℃
1543
0.29
water125
℃
1511
0.25
water150
℃
1466
0.21
water175
℃
1401
0.18
water200
℃
1333
0.15
water225
℃
1249
0.14
water250
℃
1156
0.12
Acetone
1190
Carbine
1121
Ethanol
1168
Alcohol
1440
1.5
Glycol
1620
Glycerin
1923
1180
Gasoline
1250
0.80
Benzene
1330
Toluene
1170
0.69
Kerosene
1420
2.3
Petroleum
1290
Retinal
1280
Aviation
kerosene
1298
Peanut oil
1472
Castor oil
1502
9.2.
Sound Velocity for Various Materials Commonly Used
Pipe Material
Sound Velocity (m/s)
Steel
3206
ABS
2286
Aluminum
3048
Brass
2270
Cast iron
2460
Bronze
2270
Fiber glass-epoxy
3430
Glass
3276
Polyethylene
1950
PVC
2540
Titanium
3150
Cement
4190
Bitumen
2540
Porcelain enamel
2540
Glass
5970
Plastic
2280
Polyethylene
1600
PTFE
1450
Rubber
1600