NDTnet 1998 May, Vol.3 No.5
SPECIAL MAY '98 EXHIBITION
Ultrasonic Flaw Detectors
Note: Serious answers only, please!
Take your budget into account! You don't have to answer every question, just leave the box unchecked for those you don't know or you are don't care about. If you need any help check the Glossary or Q & A on Instruments. If you have additional comments, use the comment box.

A Comparison Sheet of Flaw Detector Specifications may be an additional help.

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Ultrasonic Flaw Detector Survey

Please take a few minutes to fill out this survey and let manufacturers know what you'd like to see in Ultrasonic Flaw detectors.
(Previous survey: NDT Customer Satisfaction Survey - Results)

You could win an NDTnet'97 CD-ROM! You have a 10% chance of winning. We will send you an email when the survey is published on NDTnet.

We checked already those functions which are essential for general purpose applications. The opinions expressed and presented herein are not necessarily those endorsed by the manufacturer or other experts. Take attention that you switch off those values or add more accordingly to your needs.

Display
Screen type for normal light     sun shine     good visible from far
A-scan Size , e.g. mm (inch) S 70 x 60 (3 x 2.5)     M 100 x 80 (4 x 3)     L 200 x 100 (8 x 4)     bigger
Echo storage features normal     maximum     average     echo filtering     frozen A-scan     and other
Ranges
Thickness min     max , stated as: mm     inch
Velocity min     max , stated as: m/s     inch/µs
Instruments Units mm     inch     mm and inch
Pulser
Pulser type spike     Square Wave, unipolar     Square Wave, bipolar     Tone burst     and other
Voltage 100     200     400     600     1000
Damping 10     33     50     75     150     300     500     1000 2000
Rise time 5     10     20     50     200
PRF max. 50     250     1000     2000     5000     10000
PRF setting extern     automatic     manual
Amplifier
Frequency range, from 0.1     0.5     1     2     4     and other
....... To 5     10     15     25     35     and other
Narrow-band ranges 0.5     1     2     4     10     15     and other
Gain maximum 70     80     90     100     110
Steps in 0.1     0.5     1     2     6     programmable
Dynamic range 70     80     90     100     110
Echo presentation fullwave     pos. and neg. halfewave     RF     and other
Suppression (display) yes     no
DAC yes     no
Reference points 10     20     50     100     500
Dynamic dB 30     40     50     60     70     more
Slope dB/µs 3     6     9     12
Monitor Gates 1     2     3     more
Logic coincidence     anti-coincidence
Display LED     LED and acoustic
Noise suppression yes     no
Noise suppression rate 0 - 10     0 - 50     0 - 255
Amplitude display % screen height     dB above threshold     dB difference of a storage reference echo     FBH
Sound path measurement yes     no
Resolution mm, inch 0,1, 0.04     0,01, 0.004     0.004, 0.00015
Trigger flank     peak     zero crossing
Mode Initial to gate A     Interf. to gate A     Differences gates B-A
Reduced projection distance, depth    
Data sets memory 10     50     100     500     more
Thickness Data logger 500     1000     2000     5000     more
Outputs RS 232 (PC or Printer)     RF     Gates TTL     Gates Driver
Amplitude for each gate     Analog TOF for each gate     Parallel Data     Video     and other
Inputs Applicable for automatic or semi-automatic testing    
Inputs such like .... Extern Trigger     Test data release     Alarm Reset     A-scan freez     Load data set     and other
Languages other than English German     French     other     Selectable on purchase     Installed by the operator     Selectable by keypad
Power Supply external     integrated charger
Operating Time (max. h) 4     6     8     longer
Dimensions (H x W x D) mm S e.g. 130 x 300 x 200     M e.g. 289 x 177 x 95     L e.g. 146 x 248 x 133     XL e.g. 138 x 238 x 319    
Weight without Batt. kg (lb.) 1 (2)     2 (4)     4 (8)     6 (12)     8 (16)
Other Accessories or Options
seperated by comma
The instrument must work in: manually semi-automated fully automated
What is of general importance?
(remember your budget!)
Functionality less o.k. good excellent
Operation, user interface less o.k. good excellent
Rugged Construction less o.k. good excellent
Reliability (downtime, errors) less o.k. good excellent
Test results documentation less o.k. good excellent
Operator Manual, Equipment documentation less o.k. good excellent
Technical support, services less o.k. good excellent
What function/data is for you most important
(for all of the above fields)
Do you brows the Internet before a purchase decision no maybe yes
What prize you would pay in US$:
Which best describes your occupation
Which best describes the market you work in

Address

Last Name
First Name
Company Name
Address
Address
Address
E-mail Address
Home Page address
Comments

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NDTnet 1998 May, Vol.3 No.5
SPECIAL MAY '98 EXHIBITION
Ultrasonic Flaw Detectors
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