Form Measurement
Portable Surface Roughness Tester
SURFTEST SJ-310 Series
Bulletin No. 2078
The Surftest SJ-310 is a compact, portable, easy-to-use surface roughness measurement instrument equipped with extensive measurement and analysis features.
Easy to use
Large color graphic LCD
The color touch-screen provides excellent readability and an intuitive display that is easy to negotiate. The LCD also includes a backlight for improved visibility in dark environments. The integrated printer allows you to print measurement results on the spot.
Highly functional
Internal memory
Up to 10 measurement conditions and one measured profile can be stored in the internal memory.
Optional memory card
The optional memory card can be used as an extended memory to store large quantities of measured profiles and conditions and adds the convenience of automatically saving data from the 10 most recent measurements (Trace 10).
Password protection
Access to each feature can be password-protected, which prevents unintended operations and allows protection of your settings.
Multilingual support
The display interface supports 16 languages, which can be freely switched.
Stylus alarm (patent pending in Japan, U.S.A., EU)
An alarm warns you when the cumulative measurement distance exceeds a preset limit.
Extensive analysis and display features
Complies with many industry standards
The Surftest SJ-310 complies with the following standards: JIS (JIS-B0601-2001, JIS-B0601-1994, JIS B0601-1982), VDA, ISO-1997, and ANSI.
Displays assessed profiles and graphical data
In addition to calculation results, the Surftest SJ-310 can display sectional calculation results and assessed profiles, load curves, and amplitude distribution curves.
Enhanced power for making measurements on site
Despite its reduced charging time — approximately 1/4 that required for conventional models, the Surftest SJ-310 is capable of making approximately 2.5 times the number of measurements when fully charged. The detector supports a variety of measurement
orientations and can make measurements up against a wall surface or while facing upward. When combined with optional accessories such as a height gauge adapter, the detector can make measurements in various orientations and settings.
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Surftest SJ-310
User friendly, high-functionality display unit with integrated high-speed printer
The large 5.7-inch color graphic touch-screen LCD provides excellent readability. Furthermore, selecting icons from the touch panel display*1 provides intuitive and easy operation. The integrated high-speed printer also allows the user to perform the entire process from making measurements to printing the results with the push of a single button (START button). *1 Text display can also be selected.
Printer |
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5.7-inch color graphic LCD |
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with touch screen |
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BAC and ADC curves can be printed in addition to calculation results (including pass/fail results) and assessed profiles. The printer offers an easy-to-understand layout and can also print horizontally to match the content displayed on the LCD. Furthermore, printing speed is approximately 50% faster than conventional models.
Built-in battery
With drastically enhanced power compared to conventional models, the Surftest SJ-310 can make 1,500 continuous measurements on a full charge achieved in 4 hours.
Measurement Result |
←→ |
Measured profile |
One-touch |
Sheet buttons |
switching |
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Frequently used functions, such as the measurement start button, are provided as rugged sheet buttons with excellent durability.
BAC curve ADC curve
Highly functional detectors and drive units
Detector supplied as
One of two types may be selected:
•Measuring force: 0.75mN Stylus form: Tip radius 2µm
Tip angle 60°
•Measuring force: 4mN Stylus form: Tip radius 5µm
Tip angle 90°
A wide range of optional detectors is available, including detectors for small holes, extra small holes, gear tooth surfaces, and deep grooves.
Drive units |
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Standard drive unit |
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Transverse tracing drive unit |
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• Popular standard drive unit |
• Best suited for measurement |
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of narrow, shrouded workpiece features such as crankshaft bearings, EDM parts, etc.
(Patent Registered in Japan)
•Retractable drive unit
• The detector is in the retracted position at rest so it is immune from damage when inserted into a feature whose shape cannot be easily seen, such as a blind hole, etc.
Links to a wide variety of external instruments
You can save parameter recalculations and measurement results in text format on a memory card and import into commercial spreadsheet software on a PC. You can also connect to a PC using the USB connector and use a dedicated software application to
perform everything from measurement control and condition modification to issuing inspection result reports.
PC
Memory card (Option)
Side of display unit |
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U-WAVE-T *2 |
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USB I/F |
USB Input Tool |
Input Tool |
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RS-232C I/F |
Direct *2 |
for USB *2 |
U-WAVE-R *2 |
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SPC |
I/F |
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Rear of display unit |
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1VR *2 |
*2: Refer to P11 for more details |
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Measurement assistance and analysis features offering the ultimate in ease of use
Switches between icon and text display
The display can be switched between icon and text, providing easy, user-friendly operation.
Additionally, the guidance feature provides detailed explanations of touch-screen buttons.
Icon |
Text |
Easy specification of assessment conditions from a list
Setting assessment conditions is simple because you can select the desired condition from a displayed list (e.g., standard, parameter).
Zooming waveforms and analyzing coordinate differences |
Deleting unnecessary data |
You can not only magnify or shrink waveforms, but also calculate the coordinate difference between two points using a ruler operation.
You can quickly check the irregularity status without waiting for a printout.
With the Surftest SJ-310, you can delete portions of measurement data. This feature allows you to make new
calculations by deleting data that should not be included in parameter calculation, such as data on a scratch.
Displaying pass/fail results |
Surface texture symbol entry |
By specifying a tolerance in advance, you can display pass/fail results in color.
You can enter assessment conditions using ISO/JIS surface texture symbols.
(Patent registered in Japan, U.S.A., Germany, UK, France) (Patent pending in China)
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OK |
+ NG |
- NG |
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