MODEL HS Bolt Tension Calibrator
800 kN Bolt Tension Calibrator, Bolt Sizes 3/4” - 1.1/2” [M16-M36]
| Model Number | MODEL HS-100 |
| Tension Capacity | 170.000 lbf |
| Tension Capacity | 800 kN |
| Bolt Size Range | 3/4” - 1.1/2” |
| Bolt Size Range | M16 – M36 |
| Gauge Reading | 1 Kip = 1.000 lbf |
| Accuracy | ± 1% |
| Calibration | NIST |
| Tool Weight | 9.5 kg |
| Brand / Origin | Skidmore / USA |
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General product informationFeatures
- Bolt tension accuracy ±1 %
- Bolting test capacity 800 kN
- Test bolt sizes metric M16 - M36
- Test bolt sizes imperial 3/4” - 1.1/2”
- Dual scale gauge kN – Lb pound
- Allows pre-Installation verification
- Calibration for impact wrenches
- Skidmore calibration certificate
- Lightweight design – Portable
- Delivered in protecting peli case
- Made in USA, by Skidmore Willhelm
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Product technical specificationsTechnical Specifications
Skidmore Wilhelm Model HS Portable Bolt-Tension Calibrator
The Model HS is a highly reliable direct-action hydraulic load cell instru-ment designed for use with high-strength bolts through 1-1/2 inch size. Direct dial readings to 170,000 pounds of bolt tension within 1% accuracy show the preload delivered. Recommended minimum bolt tensions are plainly indicated on the gage face. The Model H can be clamped to a convenient column or bench. The model H is available with interchangeable bolt bushing and plate sets for each size bolt to be tested in a complete range through 1-1/2 inch bolt sizes. Adapters can be made for special applications.
Typical Testing Applications
The calibrator can be used to measure fastener tension in a wide variety of applications including but not limited to:
• Calibration of tightening tools, pre-installation verification, rotational capacity tests, etc.
• The calibrator is compatible with all tightening tools including: manual and impact wrenches, pneumatic/hydraulic/electric wrenches and hydraulic tensioners, etc.
Fastener elements that can be tested include: hex bolts, threaded studs, tension control (TC) bolts, Direct Tension Indicating (DTI) washers, anchor bolts, lock nuts, etc.
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Torque-Control Wrenches:
Simple to calibrate! Run up nut with im-pact wrench until wrench stalls. Read the dial for pounds tension. If reading is too high or low, adjust torque setting accord-ingly and repeat using new bolt and nut.
Conventional Impact Wrenches:
Set wrench air line regulator at desired power value. Run up nut until it stops ro-tating. Again, read the dial for pounds tension. Adjust regulator as necessary until wrench delivers desired bolt-tension dial reading.
Turn-of-the-Nut:
Using the Model H Calibrator, determine “snug” condition (point at which tool begins to impact). From snug condition, operate impact wrench until proper rotation is ob-tained. Resultant bolt-tension is shown on the dial
Skidmore Wilhelm Model HS Bolt Tension Calibrator - PDF
Skidmore Wilhelm Model HS Bolt Tension Calibrator Datasheet - PDF
Skidmore Wilhelm Model HS Bolt Tension Calibrator Parts List - PDF
