Project Case
Model:Bolt strain gauge series BTM/BTMC
Use:These gauges are used for measurement of tensile strain of bolt.
Applicable
specimen |
Bolt M10 or larger
|
Backing
|
Special
plastics |
---|---|---|---|
Operational
temperature(°C) |
-10 ~ +80°C
|
Element
|
Cu-Ni
|
Temperature
compensation range(°C) |
—
|
Strain limit
|
0.5%
(5000×10-6 strain) |
Applicable adhesive
|
A-2(BTM)
CN(BTMC) |
Fatigue life
at room temperature |
—
|
Single-element (G.F. 2.1 approx.)
Type
|
Gauge
length (mm) |
Gauge
width (mm) |
Backing
length (mm) |
Backing
width (mm) |
Resistance
(Ω) |
Applicable hole diameter (mm) |
BTM-1C | 1 | 0.7 | 5.6 | 1.4 | 120 | ?1.6 |
BTM-6C | 6 | 1.0 | 12.0 | 1.7 | 120 | ?2.0 |
BTM-6CTA | 6 | 1.0 | 12.0 | 1.7 | 120 | ?2.0 |
Single-element
(G.F. 2.1 approx.)
Type
|
Gauge
length (mm) |
Gauge
center a (mm) |
Backing
diameter b (mm) |
Resistance
(Ω) |
Applicable hole diameter (mm) |
BTMC-05-D10-003LE | 0.5 | 5 | ?0.9 | 120 | ?1.0 |
BTMC-1-D16-003LE | 1 | 5 | ?1.5 | 120 | ?1.6 |
BTMC-3-D20-003LE | 3 | 10 | ?1.9 | 120 | ?2.0 |