max-ll ultrasonic bolt elongation measurement

Max II Specification

Physical

Weight: 2.04 kg (4.5 lbs), with batteries
Size: 216 x 165 x 70 mm (8.5 x 6.5 x 2.5 in)
Operating Temperature: -10C to 60C
Keyboard: Membrane switch with 21 tactile keys
Case: Extruded aluminium body with nickel plated aluminium 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

USB: Direct USB 1.1 PC connectivity
Power Connector: 12v @ 2amps, adapter 100-240 VAC, .7 Amps, 50-60 Hz
5 Pin Lemo includes:
- RS232 Output 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

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: Sunlight readable QVGA TFT colour display (320 x 240 pixels). Viewable area 115.2 x 86.4 mm (4.54 x 3.40 in), or 144.78 mm (5.7 in) diagonal. 16 colour palette, multiple colour options and variable brightness
Screen Refresh Rate: 60Hz
Timing: Precision TCXO timing with single shot 100 MHz 8 bit ultra low power digitiser
Pulser Types: Spike, Square Wave & Tone Burst
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
Amplifer Linearity: +/- 1 dB
Amplitude Measurement: 0 to 100% FSH, with 1% resolution
Delay: 0 - 25,400 mm (999.999 in ) at steel velocity.
Measurement Gates: Three independent gates depending on measurement mode selected, with audible and visual alarms Amplitude 5-95%, 1% steps

Features

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 bolt
Gates: Three measurement gates, depending on measurement mode used, with adjustable start and threshold
Alarm Limits: Adjustable Hi/Lo tolerances with visual LEDs & audible sound. Hardware alarm outputs with optional accessory cable
Field Calibration: Vector or Regression correction using Load & Stress.

Measuring

Units: Metric (mm), Imperial (in), or Time (μs)
Velocity: 1250–13995 m/s (0.0492 to .5510 in/μs)
Measurement Modes: Pulse-Echo (P-E), Echo-Echo (E-E), or Echo-Echo-Echo (E-EV)
Measurement Range: 1 to 2540 cm (999.999 in) in pulse-echo(P-E) measurement mode. Range will vary using multi-echo modes (dependent on material type and consistency)
Detection: Zero Crossing
Resolution: +/- 0.0001 mm (0.00001 in)

Calibration

Quantities

Time - Nanoseconds
Elongation - Change in length (inches/millimetres)
Load - Force load applied (pounds KIP or megapascals MPa)
Stress - Force for unit area stress applied (inches per inch or millimetres per millimetre)
%Strain - Ratio of elongation to effective length

Bolt Materials

Transducers

Transducer types: Single element - 1 MHz to 10 MHz frequencies, and various diameters. Magnetic & non-magnetic options available
Glue-On: Available for short bolts with minimal elongations
Connectors: Microdot, Lemo 00, or BNC options depending on the selected transducer
Custom Transducers: Available for special applications

Certification

Warranty

On-site Verification. Our speciality.

mmx-II.