Bolt Mike III Bolt Extensometer
The StressTel BoltMike III ultrasonically measures tension and clamp load of threaded fasteners. A large, bright, easy-to-read display; rapid calibration and setup; and automatic temperature compensation ensure fast, repeatable and accurate fastener tension measurements in many diverse applications.
Key Features and Benefits
- Simultaneous display of fastener load, stress, and elongation
- Long 40 hour life with five standard "AA" alkaline batteries
- High resolution VGA LCD display to verify signal and optimize probe placement
- Large digit and baragraph display with limits for fast testing
- Automatic temperature compensation
- Built-in probe zero block allows easy exchange of transducers
- Regression analysis for custom material calibration
- Windows software to download measurements, create reports and upload test parameters
- Direct to printer reports
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- Aerospace - Control tightening of bolted engine joints and aircraft wheel assemblies.
- Automotive - Confirm tension of installed engine headbolts, connecting rod bolts, and main bearing bolts PLUS monitor torque and tensioning tools.
- Injection Molding Machines - Measure elongation on tiebars and tierods.
- Power Generation - Verify tension on manway studs and confirm uniform loading of gasketed flange bolts.
- Oil/Petrochemical - Measure tension in leg fasteners of offshore platforms, confirm uniform loading of gasketed flange bolts in pipelines, and verify tension of vessel, reactor, and heat exchanger bolts.
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| Physical Dimension |
7.5 inches (191mm) W x 5.5 inches (140mm) L x 2.2 inches (56 mm) D |
| Weight |
2.5 pounds (1.14kg) with batteries |
| Special Physical Features |
- Shock resistant plastic case
- Weather resistant keypad |
| Power Supply |
- 5 "AA" Alkaline or NiCad batteries
- Interchangeable and easy-to-access
- Operating time: 40 hours w/o backlight
- A.C. Power (85 to 260 volt) |
| Display |
- ¼ VGA Graphic Waveform LCD
- 3.8 x 2.8 in (96 x 71mm) Viewing Area
- 320 x 240 Pixel Density
- Update Rate of 4 Hz
- Adjustable contrast and backlight
- Four-level ZOOM for signal enlargement |
| Test Specifications |
- 0.75 to 250 in / 19 to 6350 mm measurable fastener length
- 10,000 fasteners in 512 groups fastener and test memory
- Two measurement modes: Initial to first pulse; multiple echo for short fasteners
- Load, stress and elongation in English and Metric units
- 12 common fastener material constants |
| Software |
StressWare (Windows 95/98/ME/NT/2000) to download measurements, create reports, upload test parameters |
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