This gauge is specially designed for materials having a low elastic modulus such as wood or gypsum. It employs paper as backing, and is self-temperature compensated with 11ppm/°C

Main Test Materials Wood, Gypsum Materials Backing Paper
Operating Temperature -20 to +50°C Materials Element Cu-Ni alloy wire
Compensation range +10 to +50°C Strain limit 2%
(20000×10-6)
Bonding adhesive B-1 Fatigue life at room temp. 1×105
(±1000×10-6)

 

Single element(G.F. 2.1 approx.)

gauge pattern type gauge
length
(mm)		 gauge
width
(mm)		 backing
length
(mm)		 backing
width
(mm)		 Resistance
(Ω)
L-20-11 20 3 31 7 120
L-30-11 30 2 43 8 120
L-60-11 60 1 74 8 120