BTM Series
Bolt gage
This gage is designed to measure the tensile force of bolts. To install, simply insert the gage together with A-2 bonding adhesive into a pre-drilled hole in the bolt head. This unique method ensures that the gage will not be damaged.
| Main Test Materials | Bolt(M10 or larger) | Materials Backing | Special plastics |
| Operating Temperature | -10 to +80°C | Materials Element | Cu-Ni alloy foil |
| Compensation range | - | Strain limit | 0.5% (5000×10-6) |
| Bonding adhesive | A-2 | Fatigue life at room temp. | - |
| Type | Gage length (mm) |
Gage 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 | 12 | 1.7 | 120 | 2 |