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Dakota NDT — BT2-DL Ultrasonic Bolt Tension Monitor (Max II)
Precision Bolt Elongation Measurement System with Data Logging SKU: Z-197-0002Overview
The Dakota NDT BT2-DL (formerly Max II) is a high-precision ultrasonic bolt tension monitor designed to accurately measure bolt elongation and calculate clamping force. Utilizing ultrasonic technology, this system enables non-destructive measurement of fastener tension, ensuring proper load conditions in critical assemblies.
Engineered for accuracy and repeatability, the BT2-DL allows users to monitor bolt stretch directly, providing more reliable results compared to torque-based methods. The unit supports temperature compensation through an external connector, improving measurement accuracy in varying environmental conditions.
With data logging capability and PC connectivity, the BT2-DL is ideal for documenting and analyzing bolt tension in industries such as oil & gas, power generation, and heavy manufacturing.
What's Included
| Item | Details |
|---|---|
| BT2-DL Unit | Ultrasonic bolt tension monitor |
| Lithium Battery Pack | Rechargeable power supply |
| Couplant | 4 oz. bottle |
| UT Cable | 10 ft Lemo 00 to Microdot transducer cable |
| USB Cable | Type A to Type B data transfer cable |
| Carrying Case | Protective storage and transport case |
| PC Software | Downloadable utility software |
| Documentation | Operation manual and certification |
Box Dimensions & Shipping Weight (Estimated)
| Parameter | Imperial |
|---|---|
| Length | 14.0 in |
| Width | 10.0 in |
| Height | 6.0 in |
| Dimensions (L × W × H) | 14.0 × 10.0 × 6.0 in |
| Weight | 6.0 lb |
Key Specifications
| Parameter | Details |
|---|---|
| Instrument Type | Ultrasonic bolt tension monitor |
| Model | BT2-DL (Max II) |
| Measurement Method | Ultrasonic elongation measurement |
| Data Logging | Yes |
| Connectivity | USB + PC software |
| Temperature Compensation | External connector compatible |
| Operation | Portable / handheld |
Performance Features
Ultrasonic Bolt Measurement
Measures bolt elongation directly for accurate tension calculation.
High Accuracy & Repeatability
Eliminates variability associated with torque-based methods.
Data Logging Capability
Stores measurement data for reporting and analysis.
Temperature Compensation Ready
Supports external temperature probe for improved accuracy.
User-Friendly Design
- Easy-to-read display and intuitive controls
- Portable and ergonomic design
- Simple data transfer to PC
- Designed for efficient field workflows
Built for Industrial Environments
- Rugged construction for demanding applications
- Reliable performance in field conditions
- Suitable for critical bolting operations
- Designed for professional NDT use
Compatibility
Compatible with:
- Ultrasonic bolt measurement transducers
- Lemo 00 to Microdot UT cables
- Temperature probe (Part# A-156-8001)
- Industrial bolting and inspection systems
Ideal Applications
- Bolt tension measurement and verification
- Flange assembly and maintenance
- Oil & gas and pipeline operations
- Power generation and heavy industry
- Structural and mechanical assemblies
- Critical fastening applications
About Dakota NDT
Dakota NDT is a leading manufacturer of ultrasonic testing equipment, providing innovative solutions for thickness measurement, flaw detection, and bolt tension monitoring. Their products are trusted worldwide for accuracy, durability, and performance in demanding industrial environments.