Name: BT2-DL (MAX-II) Ultrasonic Bolt Tension Meter Z-197-0001 / Z-197-0002 Dakota Ultrasonics
Rating: 5.0 (1 reviews)

Dakota Ultrasonics BT2-DL (MAX-II) Ultrasonic Bolt Tension Meter Z-197-0001 / Z-197-0002

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Dakota Ultrasonics Ultrasonic Bolt Tension Monitor - Extensometer

Transducers sold Separately

The Dakota Ultrasonics BT2-DL (MAX-II) Ultrasonic Bolt Tension Meter Z-197-0001 / Z-197-0002 is designed for precision measurement of fasteners up to 100 ft / 30 m in length. It incorporates all of the great features of the original MiniMax unit, with improved features, hardware, speed, and range. The MAX II is designed for use in a wide range of industrial and lab applications.

The Dakota Ultrasonics BT2-DL (MAX-II) Ultrasonic Bolt Tension Meter Z-197-0001 / Z-197-0002 enables you to accurately monitor bolt tension ultrasonically measuring the elongation (change in length) of your bolts. It enables you to re-visit your bolts in certain intervals and monitor the quality of your bolt connections over time.

The new "Auto Correlation" feature that helps you to optimize your transducer placement. Together with the large QVGA sunlight readable color display and the calibration function, it is very easy to use without the steep learning curves associated with other models

Kit Contents

Dakota Ultrasonics BT2-DL (MAX-II) Ultrasonic Bolt Tension Meter Z-197-0001 / Z-197-0002
4 oz. Bottle of Couplant
RS232 Transfer Cable Lemo to DB9
USB converter cable to DB9
10’ Lemo to Microdot Transducer cable (N-110-0020)
PC Utility Software
Certification
Operation Manual
Carrying Case

Features

Measures: Elongation, Load, Stress, Strain and Time (nanoseconds).
Sunlight readable color QVGA display (320x240 pixels)
Measure Modes: Pulse-Echo, Echo- Echo, Echo-Echo-Verify (triple echo)
Auto Correlation - Transducer Placement
Custom auto calibration feature
4GB internal & up to 64GB external SD memory
USB 1.1 connectivity
Analog, serial & alarm outputs
PC interface reporting software
Li-Ion pack & 6 AA emergency battery backup option
2 year warranty
Setups: 64 custom user defined setups; factory setups can also be edited by the user.
Auto Set: Automates the detection, scope, and display setting process for each individual bolt.
Gates: Three measurement gates, depending on measurement mode used, with adjustable start and threshold.
Alarm Limits: Adjustable Hi/LO tolerances with visual LED’s and audible beeper. Hardware alarm outputs (accesory cable required).
Field Calibration: Vector or Regression correction curve for increased accuracy using Load & Stress

Specifications

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. 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.

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)
Op Temperature	14 to 140F (-10C to 60C)
Keyboard	Membrane switch with 21 tactile keys
Housing	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

Connections:

SB	Direct USB 1.1 PC connectivity
Power Connector	12v @ 2amps, adapter 100-240 VAC, .7 Amps, 50-60 Hz.5 Pin Lemo (includes):RS232Output – RS232 PC serial interface.Alarm Outputs – Two independent alarm outputs triggered by the gates.Analog Out – Proportional outputs (amplitude or distance), 0-10 volts.
Transducer Connectors	Two LEMO 00 connectors

Memory:

Log Formats	Grid (Alpha Numeric)
Capacity	4 Gb internal & up to 64 Gb External SD slot
Screen Capture	Tagged interface file (.tif) capture for quick documentation
Custom Setups	64 user configurations

Power Source:

Lithium Ion Pack	10.8v, 2 amp hrs, typical operation 18hrs.
Battery Backup	Emergency battery backup. Six 1.5V alkaline, 1.2V AA Nicad cells, 1.2V AA NI-MH, or other other equivalent power source
Battery life (continuous use)	Alkaline (12 hrs), Nicad (5hrs), and NI-MH (12hrs), with default settings.

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 pallete, 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 measurement mode selected, with audible and visual alarms. Amplitude 5-95%, 1% steps.

Transducers:

Types	Single element – 1 MHz to 10 MHz frequencies, and 1/8” to 1” diameters. Magnetic & Non Magnetic options 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.

General:

Certification	Factory calibration traceable to NIST & MIL-STD-45662A
Warranty	2 year limited

Dakota Ultrasonics BT2-DL (MAX-II) Ultrasonic Bolt Tension Meter Z-197-0001 / Z-197-0002

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Dakota Ultrasonics BT2-DL (MAX-II) Ultrasonic Bolt Tension Meter Z-197-0001 / Z-197-0002

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