BF120-20AA linear strain gauge for concrete strain measurement

Place of Origin:

Guangdong, China

Brand Name:

SNC

Model Number:

BF350-20AA strain gauge series

Base Material:

phenolphthalein-Oxygen

Grid material:

imported konstantan alloy

error to nominal value resistance:

350 +/-3 ohm

Tolerance to average resistance:

less than 0.4 ohm

Temperature:

room temp.(-30- +60 degree )

Sensitivity and dispersion:

2.0+/- 1%

output coefficient on average:

less than 2 um/m/ degree

dispersion scope to heat output:

less than 30 um/m

Ultimated resistance in room temp.:

20000M ohm

Hysteresis:

1.2um/m