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Cygnus M2-DIVE User Manual

Cygnus M2-DIVE
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Cygnus DIVE Operating Manual M2-DIVE-M-ENG_Iss5.docx
Page 109 of 118
Material
Velocity of Sound (V)
Conversion
Factor (f)
m/s in/us
Stainless
Steel 316
5750
0.2264
0.971
F51 Duplex Steel
UNS S31803
5715 - 5750 0.225 – 0.2264
0.956
0.971
Core Ten Steel
EN12223 S355-J0
5920 0.2331 1.00
Tin
3320
0.1307
0.561
Titanium
6100
-
6230
0.2402
0.2453
1.030
1.052
Tungsten
Carbide
6660
0.2622
1.12
5
Epoxy
Resin
2500
0.0986
0.422
Acrylic
2730
0.1076
0.461
Nylon (Polyamide)
2620
0.1032
0.443
Reading Conversions
If only a few measurements are to be taken on a material other than
Steel, it may be easier to leave the calibration set for Steel and merely
convert the readings by multiplying by the Conversion Factor for the
material being measured. This method avoids unnecessary
recalibration.
Example.
The gauge is calibrated for Steel [5920 m/s], but the reading is
being taken on Copper [4700 m/s] :
T = t x V
COPPER
/ V
STEEL
= t x 4700 / 5920
= t x 0.794
thus : T = t x f [ where: f = V
COPPER
/ V
STEEL
]
where : T = true thickness of Copper being measured
t = actual reading obtained
f = Conversion Factor (from table)
V
COPPER
= Sound Velocity in Copper : 4700 m/s
V
STEEL
= Sound Velocity in Steel : 5920 m/s
The Conversion Factor f: is given for various materials in the
Table of Sound Velocities

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Cygnus M2-DIVE Specifications

General IconGeneral
BrandCygnus
ModelM2-DIVE
CategoryDiving Instrument
LanguageEnglish