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10.1  Converting units of length
1 mm = 0.0393700787 inch
mm inch
1 0.03937008
2 0.07874016
3 0.11811024
4 0.15748031
5 0.19685039
6 0.23622047
7 0.27559055
8 0.31496063
9 0.35433071
10 0.393700787
Tab. 10-1:  Conversion table mm to inches
1 inch = 25.4 mm
inch mm
1 25.4
2 50.8
3 76.2
4 101.6
5 127
6 152.4
7 177.8
8 203.2
9 228.6
10 254
Tab. 10-2:  Conversion table inches to mm
10 
Appendix
10.2  Part label
1)
 Ordering code
2)
 Type
3)
 Serial number
4)
 Null mark
5)
 US velocity
Fig. 10-1:  BTL7 part label
1)
 
3)
 
5)
 
3)
 
2)
 
4)
BTL7-P511 -M ____ -P-S32/S115/KA_  _
Micropulse Transducer in a Profile Housing