Strain Gage Coding System

Pattern Configuration   Gage length in mm    Gage resistance(not indicated for 120ohm)

F.........General Purpose
WF......Waterproof construction   
PF........Polyester foil gage                 
P..........Polyester wire gage
--.........Metal-backing gage
MF........Magnetic field use  
PM........Polyester mold strain gage
YF/Y.....Post-yield foil/wire gage        
LF/L......Low elastic modulus
GF.........For plastic material use 
BF.........For composite material use
CF.........Cryogenic-temperature use
QF/ZF...High-temperature use
SF........Stress measurement
AW.......Weldable capsulated gage
BTM......Bolt stress measurement
FTP.......Protected gage
DD........One-sided gage
FAC.......Crack detection
TF........Temperature measurement
KM........Concrete embedment use