Project Case
Model: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% (5000×10-6strain) |
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 | ø1.6 |
BTM-6C | 6 | 1.0 | 12.0 | 1.7 | 120 | ø2.0 |
BTM-6CTA | 6 | 1.0 | 12.0 | 1.7 | 120 | ø2.0 |
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 | ø0.9 | 120 | ø1.0 |
BTMC-1-D16-003LE | 1 | 5 | ø1.5 | 120 | ø1.6 |
BTMC-3-D20-003LE | 3 | 10 | ø1.9 | 120 | ø2.0 |