Dakota The MAX II Ultrasonic Bolt Tension Monitor

The Dakota MAX II Ultrasonic Bolt Tension Monitor is one of Dakota Ultrasonics’ most well-known products. Dakota Ultrasonics is a prominent producer of ultrasonic testing equipment. With the use of ultrasonic technology, this tool can precisely gauge the tension of bolts and other fasteners, offering a trustworthy and non-destructive way to evaluate the integrity of these vital parts.

Bolts and other fasteners are utilized in a variety of industries, including aerospace, automotive, and the construction and industrial sectors. In order to avoid equipment failure, safety risks, and expensive downtime, it is essential to make sure that these components are correctly adjusted and maintained given how frequently they are put through high levels of stress and strain.
Historically, torque wrenches or other mechanical methods, which can be labor-intensive, time-consuming, and frequently incorrect, have been used to measure bolt tension. On the other hand, ultrasonic bolt tension monitoring provides a quicker and more accurate substitute by employing high-frequency sound waves to gauge the bolt’s elongation and compression when tension is applied.

This procedure is made as easy and user-friendly as possible by the Dakota The MAX II Ultrasonic Bolt Tension Monitor, which was created exclusively for this purpose. Using the device’s large, simple menu-driven interface and easy-to-read LCD display, users can quickly and easily set up and configure the monitor for their particular application.

Once set up, the tool may be used to gauge bolt tension in a range of conditions, including hot surroundings and cramped quarters. The monitor measures the tension of each individual bolt using a mix of ultrasonic waves and sophisticated algorithms, delivering real-time feedback on the tension of each bolt and guaranteeing that each fastener is correctly tightened and maintained.

The Dakota The MAX II Ultrasonic Bolt Tension Monitor’s adaptability is one of its main benefits. The tool may be used to check the tension of bolts made of a variety of materials and sizes, such as steel, aluminum, and titanium. This makes it the perfect option for use in a variety of fields, including manufacturing, aircraft, and automobiles.

The MAX-II Ultrasonic Bolt Tension Monitor Specifications:

PHYSICAL

• Weight: 4.5 lbs (2.04 kgs), with batteries.
• Size: 8.5W x 6.5H x 2.5D in (216 x 165 x 70mm).
• Operating Temperature: 14 to 140F (-10C to 60C).
• Keyboard: Membrane switch with 21 tactile keys.
• Case: Extruded aluminum body with nickel-plated aluminum end caps (gasket sealed).
• Display Views: RF (full wave view), +/- Rectified (half wave view), Digits, or split screen combination (wave plus large digits).
• Environmental: Meets IP65 requirements.

ELECTRONICS

• Display: Blanview sunlight readable QVGA TFT color display (320 x 240 pixels). Viewable area 4.54 x 3.40 in (115.2 x 86.4 mm), or 5.7 in (144.78 mm) diagonal. 16 color palettes, multiple color options, and variable brightness.
• Screen Refresh Rate: 60Hz.
• Timing: Precision TCXO timing with single shot 100 MHz 8-bit ultra low power digitizer.
• Pulser Types: Spike, Square Wave & Tone Burst.Pulser Voltage: 100 – 400v.
• Pulser Voltage: 100 – 400v.
• Pulse Width: Selectable step options Spike, Thin, Wide, HV Spike, HV Thin, HV Wide, TB .5MHz, TB 1MHz, TB 2MHz, TB 5MHz, TB 10 MHz. Spike 40 ns, Square Wave 80 to 400 ns, Tone Burst 50 ns to 1 microsecond.
• Gain: 0 to 110dB with 0.2dB resolution. Manual and AGC control.
• Damping: 50, 75, 100, 300, 600, & 1500 ohms.
• Frequency Band: Broadband 1.8 – 19 MHz (-3dB) filter.
• Horizontal Linearity: +/- 0.4% FSW.
• Vertical Linearity: +/- 1% FSH.
• Amplifier Linearity: +/- 1 dB.
• Amplitude Measurement: 0 to 100% FSH, with 1% resolution.
• Delay: 0 – 999.999in (25,400mm) at steel velocity.
• Measurement Gates: Three independent gates depending on the measurement mode selected, with audible and visual alarms. Amplitude 5-95%, 1% steps.

MEASURING

• Units: English (in), Metric (mm), or Time (µs).
• Velocity: 0.0492 to .5510 in/µs (1250–13995 m/s).
• Measurement Modes: Pulse-Echo (P-E), Echo-Echo (E-E), or Echo-Echo-Echo (E-EV).
• Measurement Range: 1 to 999.999in (2540cm) in pulse-echo(P-E) measurement mode. The range will vary using multi-echo modes – dependent on material type and consistency.
• Detection: Zero Crossing.
• Resolution: +/- 0.00001 in (0.0001 mm).
• Calibration: Automatic, Fixed, Single, or Two-Point zero calibration options.
• Quantities: Time – Nanoseconds.Elongation – Change in length (inches/millimeters).Load – Force load applied (pounds KIP or megapascals MPa).Stress – Force for unit area stress applied (inches per inch or millimeters per millimeter).%Strain – Ratio of elongation to effective length.
• Bolt Materials: Select types from a preset or custom list.

TRANSDUCERS

• Transducer types: Single element – 1 MHz to 10 MHz frequencies, and 1/8” to 1” diameters. Magnetic & Non Magnetic options are available.
• Glue-On: Available for short bolts with minimal/short elongations to eliminate transducer placement errors.
• Connectors: Microdot, Lemo 00, or BNC options depending on the transducer model selected.
• Custom Transducers: Available for special applications.