Atec Surftest-SJ-411 User Manual

Surftest sj-410, Series 178 — portable surface roughness tester, Specifications

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Surftest SJ-410

SERIES 178 — Portable Surface Roughness Tester

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possible with this series. Equipped with 46
roughness parameters that conform to the
latest ISO, DIN, ANSI, and JIS standards.

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a drive unit provide superior high-accuracy
measurement in its class.

Detector
Measuring range: 800µm
Resolution: 0.000125µm (at 8µm range)
Drive unit
Straightness/traverse length
SJ-411: 0.3µm/25mm
SJ-412: 0.5µm/50mm

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compensation function provide efficient
evaluation of cylinder surface roughness.

can be measured by using the skidless
measurement function.

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5.7-inch color graphic LCD touch-panel
provides superior readability and operability.

The LCD also includes a backlight for

improved visibility in dark environments.

and easy-to-understand operability.

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optional RS-232C or USB cable.

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roughness profiles.

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which can be freely switched.

the four types of measurement: step, level
change, area and coordinate difference.

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protected, which prevents unintended
operations and allows you to protect your
settings.

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a column stand significantly increase the
operability.

Surftest SJ-411

SJ-412 drive unit

SJ-411 drive unit

Skidless measurement

SPECIFICATIONS

Model No.

SJ-411

SJ-411

SJ-412

SJ-412

Order No.

(inch/mm)

178-581-01A

178-581-02A

178-583-01A

178-583-02A

Detector measuring force

0.75mN

4mN

0.75mN

4mN

Evaluation range

25mm

25mm

50mm

50mm

Stylus tip

Tip angle

60º

90º

60º

90º

Tip radius

2µm

5µm

2µm

5µm

Technical Data

X axis (drive unit)

Measuring range:

1"(25mm)(SJ-411), 2"(50mm) (SJ-412)

Measuring speed:

.002, .004, .008, .02, .04"/s

(0.05, 0.1, 0.5, 1.0mm/s)

Return speed:

.02, .04, .08"/s (0.5, 1.0, 2.0mm/s)

Traversing direction: Backward
Traverse linearity:

12 µin / 1"(0.3µm/25mm) (SJ-411),

20 µin / 2"(0.5µm/50mm) (SJ-412)

Positioning:

±1.5° (tilting), 10mm (up/down)

Detector
Range / resolution: 800µm / 0.0125µm, 80µm / 0.00125µm,

8µm / 0.000125µm (up to 2400µm with

an optional stylus)

Measurement method: Skidless / skidded
Measuring force: 0.75mN or 4mN
Stylus tip:

Diamond, 60º / 2µmR

(90º / 5µmR)

Skid radius of curvature: 40mm
Type:

Differential inductance

Power supply:

Via AC adapter / rechargeable battery

Battery life:

Max. app. 1000 measurements (w/o printing)

Recharge time:

4 hours Data output Via USB interface /

RS-232C interface / SPC output

Storage:Internal memory: Measurement condition (10 sets)
Memory card (Option): 500 measurement conditions,

10000 measured profiles, 500 display images, Text file
(Measurement conditions / Measured profile / Assessed
profile / Bearing area curve / Amplitude distribution curve),
500 statistical data, etc.

Dimensions (W x D x H)
Display unit:

10.8x4.3x7.8"(275x109 x198mm)

Height-tilt adjustment unit: 5.16x2.48x3.9"(131x63x99mm)
Drive unit:

5.04x1.41x1.83"(128x36x47mm)(SJ-411),

6.1x1.41x1.83"(155x36x47mm) (SJ-412)

Mass Control unit: Approx. 3.75lb(1.7kg)
Height-tilt adjustment unit: Approx. .9lb(0.4kg)
Drive unit:

1.3lb(0.6kg) (SJ-411), 1.5lb(0.7kg)(SJ-412)

Evaluation Capability

Applicable standards: JIS’82, JIS’94, JIS’01, ISO’97, ANSI, VDA, Free
Assessed profiles:

P (primary profile), R (roughness profile),

DF (DF profile), W (filtered waviness profile),

roughness motif, waviness motif

Evaluation parameters: Ra, Rq, Rz, Ry, Rp, Rv, Rt, R3z, Rsk, Rku,

Rc, RPc, RSm, Rmax(VDA, ANSI), Rz1max(ISO’97), S, HSC,
RzJIS(JIS’01), Rppi, R∆a, R∆q, Rlr, Rmr, Rmr(c), Rδc, Rk, Rpk, Rvk,
Mr1, Mr2, A1, A2, Vo, λq, Lo, Rpm, tp(ANSI), Htp(ANSI), R, Rx,
AR, W, AW, Wx, Wte

Analysis graphs:

Bearing Area Curve (BAC),

Amplitude Distribution Curve (ADC)

Digital filter

2CR, PC75, Gaussian

Cutoff length

λ

c: .003, .01, .03, .1, .3"

(0.08, 0.25, 0.8, 2.5, 8mm)

λ

s: 100, 320, 1000µin

(2.5, 8, 25µm )(Availability of switching

depends of the selected standard.)

Sampling length:

0.08, 0.25, 0.8, 2.5, 8, 25*mm; or

arbitrary length in range 0.1 to 25mm

(0.1 to 50mm: SJ-412) in 0.01mm

increments

Number of sampling lengths: 1, 2, 3, ~20 (limited by traverse range)
Printer:

Thermal type

Printing width:

48mm (paper width: 58mm)

Recording magnification
Vertical magnification: 10X to 100,000X, Auto
Horizontal magnification: 1X to 1,000X, Auto
Function
Customize:

Selection of display/evaluation parameter

Data compensation: R-surface, Tilt compensation
Ruler function:

Step, level change, area and coordinate

difference

D.A.T. function:

Helps to level workpiece prior to skidless

measurement Displacement detection mode

enables the stylus displacement to be

input while the drive unit is stopped.

Statistical processing: Max. value, Min. value, Mean value,

Standard deviation (s), Pass ratio, Histogram

GO/NG judgement:

Maximum value rule, 16% rule, average

value rule, standard deviation (1σ, 2σ, 3σ)

Calibration:

Auto-calibration with the entry of numerical

value /Average calibration with multiple

measurement (Max.12 times) is available.

Power saving function: Auto-sleep-function, Auto light-off of

Backlight by ECO mode.

* Only for SJ-412

FEATURES

US-1002

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