Product Introduction

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MAX II has a larger display screen and a wider measurement range than MINI-MAX bolt stress tester.

• Measurable values: time/elongation/load/stress/strain

• High visibility color display QVGA (320 X 240)

• Measurement mode: Interface wave echo; Echo echo; Three echoes

• Automatic probe recognition

• Big data storage capacity with built-in 4GB, expandable up to 64GB SD card

• Simulation, serial port, and alarm output interfaces

• Can import and export files with MiniMax

• Lithium batteries can provide up to 18 hours of working time

• Windows interface computer communication software

MAX II Technical Parameters:

External dimensions

216x165x70mm

weight

2.04kg (including battery) all metal casing

display

Brightness adjustable color QVGA TFT display

resolving power

320X240 pixels

Display area

115.2X86.4mm

display mode

Full wave, positive/negative half wave, digital or split screen combined display (waveform+large numbers)

working temperature

-10～60℃

work environment

Compliant with IP65 standard

Data communication interface

USB1.1 can be connected to a PC computer

Power interface

12V@2A

5-core Lemo interface

RS232 serial port output, alarm output: 2 independent alarm output interfaces triggered by the gate, analog output, probe interface: 2 LEMO 00 interfaces

Storage format

Table format (letter, number numbering) or sequential format (automatic numbering)

Storage capacity

Built in 4GB memory card (can be expanded with a 64GB SD card)

screen scraping

Can be saved as a. tif format file

Custom parameter settings

Can store 64 parameter settings, built-in parameter settings can also be edited by users

Battery

Lithium batteries can provide up to 18 hours of working time (using 6 AA batteries as backup can provide up to 12 hours of working time)

Pulse generator

100-400V variable square wave pulse generator

gain

50/75/100/300/600/1500 Ω, six levels to choose from

frequency range

Broadband: 1.8MHz to 19MHz (-3dB)

Horizontal linearity

± 0.4% full screen width (FSW)

Vertical Linear

± 1% Full Screen Height (FSH)

Amplifier accuracy

±1dB

Wave amplitude measurement

0-100% Full Screen Height (FSH)

delay

0-25400mm (steel)

Measurement door

Three separate measuring doors, with adjustable starting position and width in full screen; The height of the measuring door is adjustable from 5% to 95% (with a step value of 1%); Each measuring door can trigger positive and negative sound and light alarms

On site calibration

Vector method or linear regression can be used for calibration to increase measurement accuracy

Measurement unit

Metric (mm), Imperial (in), Time (μ s)

sound velocity

1250~13995m/s, continuously adjustable

Measurement mode

Interface wave echo (P-E); Echo echo (E-E); Triple echo (E-EV)

Detection range

2.54cm~2540cm (steel, P-E mode, may vary due to different materials)

Display resolution

0.0001mm

Calibration mode

Automatic/Fixed/One Point/Two Point Calibration

Measurement unit

Time ns, elongation in/mm, load KIP/KN, stress KSI/MPa, strain%

Probe type

1MHz-10MHz single crystal probe (diameter 1/8-1 optional), magnetic/non-magnetic optional, small bolt can be used to install the probe by pasting, users can customize the probe

Probe cable socket

2 LEMO 00 interfaces

Certification standards

Compliant with NIST&MIL-STD-45662A