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Surftest SJ-410
SERIES 178 – Portable Surface Roughness Tester
• Both skidded and skidless measurement are • The excellent user interface provides intuitive and Technical Data
possible with this series. Measures 46 roughness easy-to-understand operability.
parameters that conform to the latest ISO, DIN, • Measured data can be output to a PC with an X axis (drive unit)
ANSI, and JIS standards. optional RS-232C or USB cable. Traverse direction: Backward
• A wide-range, high-resolution detector and • Digital filter function for accurate roughness Traverse straightness: 0.3 m / 25 mm (SJ-411),
efficient drive unit provide superior high-accuracy profiles. 0.5 m / 50 mm (SJ-412)
measurement. • GO/NG judgement function. Positioning: ±1.5° (tilting), 10 mm (up/down)
• A skidless detector and a curved surface • Auto-calibration function. Detector
compensation function provide efficient • The display interface supports 16 languages, Skid radius of
evaluation of cylinder surface roughness. which can be freely switched. curvature: 40 mm
• Ultra-fine steps, straightness and waviness can be • Simplified contour analysis function supports four Type: Differential inductance
measured by using the skidless measurement types of measurement: step, level change, area Storage
function. and coordinate difference. Internal memory: Setups (10 sets)
• The handheld data processing unit and the • Access to each feature can be password Memory card
5.7-inch colour graphic LCD touch-panel provides protected, which prevents unintended operations (option): 500 setups, 10000 measured profiles,
superior readability and operability. The LCD also and allows you to protect your settings. 500 display images, text file (setups /
includes a backlight for improved visibility in dark • The optional attachments for mounting on a measured profile / assessed profile /
environments. column stand significantly increase the operability. bearing area curve / amplitude
distribution curve), 500 statistical data,
etc.
Dimensions (WxDxH)
Display unit: 275 x 109 x 198 mm
Height-tilt
adjustment unit: 131 x 63 x 99 mm
Drive unit: 128 x 36 x 47 mm (SJ-411),
155 x 36 x 47 mm (SJ-412)
Control unit mass: Approx. 1.7 kg
Height-tilt
Skidless measurement adjustment unit: Approx. 0.4 kg
Drive unit: 0.6 kg (SJ-411), 0.7 kg (SJ-412)
Evaluation Capability
Applicable standards: JIS’82, JIS’94, JIS’01, ISO’97, ANSI,
VDA, Free
Digital filter: 2CR, PC75, Gaussian
Cutoff length: c: 0.08, 0.25, 0.8, 2.5, 8 mm
s: 2.5, 8, 25 m (availability of
switching depends on the selected
standard.)
Sampling length: 0.08, 0.25, 0.8, 2.5, 8, 25*mm; or
arbitrary length in range 0.1 to 25 mm
(0.1 to 50 mm: SJ-412) in 0.01 mm
increments
Number of sampling
lengths: 1, 2, 3, ~20 (limited by traverse range)
Printer: Thermal type
Printing width: 48 mm (paper width: 58 mm)
Recording magnification
Vertical: 10X to 100,000X, auto
Surftest SJ-411 Horizontal: 1X to 1,000X, auto
Function
Customize: Selection of display/evaluation
parameter
Data compensation: R-surface, tilt compensation
SPECIFICATIONS Ruler function: Step, level change, area and coordinate
L Model SJ-411 SJ-412 difference
DAT function: Helps to level workpiece prior to
Code No. (inch/mm) 178-581-01E 178-581-02E 178-583-01E 178-583-02E skidless measurement. Displacement
Measuring range 25 mm 50 mm detection mode enables the stylus
Speed displacement to be input while the
Range/resolution Measuring: 0.05, 0.1, 0.2, 0.5, 1.0 mm/s, Returning: 0.5, 1, 2, 5 mm/s drive unit is stopped.
Statistical processing: Max. value, min. value, mean value,
800 m/0.0125 m, 80 m/0.00125 m, 8 m/0.000125 m (up to 2400 m with an optional stylus)
Measurement method Skidless/skidded standard deviation (s), pass ratio,
90 histogram
Stylus tip Angle 60 90 60 GO/NG judgement: Maximum value rule, 16% rule,
Radius 2 µm 5 µm 2 µm 5 µm average value rule, standard deviation
Detector measuring force 0.75 mN 4 mN 0.75 mN 4 mN (1, 2, 3)
Assessed profiles P (primary profile), R (roughness profile), DF (DF profile), W (filtered waviness profile), Calibration: Auto-calibration with the entry of
roughness motif, waviness motif numerical value / average calibration
with multiple measurement (max.12
Evaluation parameters Ra, Rq, Rz, Ry, Rp, Rv, Rt, R3z, Rsk, Rku, Rc, RPc, RSm, Rmax(VDA, ANSI), Rz1max(ISO’97), S, HSC, times) is available.
RzJIS(JIS’01), Rppi, Ra, Rq, Rlr, Rmr, Rmr(c), Rc, Rk, Rpk, Rvk, Mr1, Mr2, A1, A2, Vo, q, Lo, Rpm, Power saving function: Auto-sleep-function, auto shutdown of
backlight by ECO mode.
tp(ANSI), Htp(ANSI), R, Rx, AR, W, AW, Wx, Wte
Analysis graphs Bearing Area Curve (BAC), Amplitude Distribution Curve (ADC)
Power supply Via AC adapter or rechargeable battery *Only for SJ-412
Rechargeable battery Recharge time: 4 hours (for a maximum 1000 measurements without printing)
Price 5140.00 5140.00 6180.00 6180.00
L-9 Mitutoyo operates a policy of continuous improvement that aims to provide the customer with the benefit of the latest technological advances.
Therefore the company reserves the right to change any or all aspects of any product specification without notice.
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