30
Surface Roughness Tester
SRTPro
Instruction manual
CONTENT
1 ROUGHNESS TESTER OVERVIEW ....................................................................................................... 3
1.1 FEATURES OF INSTRUMENT ........................................................................................................................... 3
1.2 MEASUREMENT PRINCIPLE ............................................................................................................................ 3
1.3 NAME OF EACH PART ................................................................................................................................... 4
1.4 BUTTONS DEFINE .......................................................................................................................................... 6
1.5 BATTERY CHARGING ..................................................................................................................................... 6
1.6 CONNECTION METHOD OF SENSOR AND M AI N UNI T ................................................................................... 7
2 MEASURING OPERATION ....................................................................................................................... 9
2.1 PREPARATION FOR MEASUREMENT ............................................................................................... 9
2.2 TURNING ON/OFF ................................................................................................................................... 9
2.3 STYLUS POSIT ION ............................................................................................................................... 10
2.4 START MEASUREMENT ...................................................................................................................... 10
2.5 MEASUREMEN T RESULT DISPLAY ................................................................................................. 11
2.6 PRINT MEASUREM ENT RESULTS .................................................................................................... 11
2.7 STORAGE MEASUREMENT RESULTS ............................................................................................. 12
2.8 MEASURING PARAMETER SETTINGS ............................................................................................ 12
2.9 STORAGE MANAGEMENT ................................................................................................................. 13
2.10 DATE SETTINGS ................................................................................................................................. 15
2.11 SOFTWARE INFORMATION ............................................................................................................... 15
2.12 PARAMETER CALIBRATION ............................................................................................................. 16
2.13 PRINT SETUP ......................................................................................................................................... 17
3 OPTIONS AND USAGE ........................................................................................................................... 18
3.1 ADJUSTABLE SUPPORT............................................................................................................................... 18
3.2 MEASUREMENT STAND ............................................................................................................................... 19
3.3 EXTENDING ROD ........................................................................................................................................ 19
3.4 STANDARD SENSOR .................................................................................................................................... 19
3.5 CURVED SURFACE SENSOR ......................................................................................................................... 20
4 TECHNICAL PARAMETER AND FEATURES ..................................................................................... 22
4.1 TECHNICAL PARAMETER ............................................................................................................................. 22
4.2 MEASURING RANGE .................................................................................................................................. 23
5 GENERAL MAINTENANCE .................................................................................................................... 23
5.1 SENSOR ...................................................................................................................................................... 23
5.2 MAIN UNIT ................................................................................................................................................ 23
5.3 BATTERY ..................................................................................................................................................... 23
5.4 STANDARD SAMPLE PLATE ....................................................................................................................... 24
5.5 TROUBLESHOOTING .................................................................................................................................. 24
6 REFERENCES ........................................................................................................................................... 24
6.1 TERMS........................................................................................................................................................ 24
6.1.1 Terms ............................................................................................................................................................ 25
6.1.2 Traver si ng Length ........................................................................................................................................ 25
6.2 PARAMETERS DEFINITIONS ....................................................................................................................... 26
6.3 RECOMMENDED TABLE OF TH E SAM PLING LENG TH................................................................................. 28
3
1 Roughness tester overview
The surfaces roughness tester is suitable for shop floor use and mobile measure to need of a
small handheld instrument, it operation simple, function overall, measure fast, accuracy stability,
take convenience. This tester applies to production site and can be used to measure surface
roughness of various machinery-processed parts. This tester is capable of evaluating surface
textures with a variety of parameters according to various national standards and international
standard. The measurement results are displayed digital/graphically on the OLED and can be
outputed to the printer.
1.1 Features
Electromechanical integration design, small size, light weight, easy to operation;
DSP chip control and data processing, high speed, low power consumption;
Large measurement range;
14 parameters: Ra、Rq、Rz、Rt、Rp、Rv、R3z、R3y、RzJIS、Rs、Rsk、Rku、Rsm、Rmr
128 × 64 OLED dot matrix display, digital or graphic highlight display; no viewing angle;
Display full information, intuitive and graphical displays all parameters;
Compatible with ISO, DIN, ANSI, JIS multiple national standards;
Built-in lithium-ion rechargeable battery and control circuit, high capacity, no memory effect;
There are remaining charge indicator, charging hint;
Tester has charging instructions, the operator can readily understand the level of charge
Can work more than 20 hours while the power is enough;
Large capacity data storage, can store 100 item of raw data and waveforms;
Real-time clock setting and display for easy data recording and storage;
With automatic sleep, automatic shutdown power-saving features;
Reliable circuit and software design of prevent the motor stuck;
Instrument can display a variety of information tips and instructions. For example Measurement
result display, the menu prompts and error messages;
Metal case design, rugged, compact, portable, high reliability；
Can connected to the computer and printer；
All parameters can be printed or print any of the parameters which set by the user；
Optional curved surface pickup sensor, holes sensors, measurement stand, Sheath of sensor,
extension rod, printer and analysis software；
1.2 Measurement principle
When measuring roughness of part surface, the pickup is placed on the surface of the part and
then tracing the surface at constant rate. The pickup acquires the surface roughness by the sharp
stylus in pickup. The roughness causes displacement of pickup which results in change of inductive
value of induction coils thus generate analogue signal which is in proportion to surface roughness at
output end of phase-sensitive rectifier. This signal enters data collection system after amplification
and level conversion. After that, those collected data are processed with digital filtering and
parameter calculati on by DSP chip and the measu ring result can be r ead on OLED, printed through
printer and communicated with PC.
4
1.3 Name of each part
Skid
Stylus
Protective Tube
Main Body
Socket
Sampling
Length
Number
Battery
indicator
Parameters
Range
Filter Unit
Assess
Length
Sensor
Display Interface
5
1. sensor 2. display 3. key area 4. adjustable support
5. USB charge 6. power switch 7. fixing hole
Power switch is a total power switch on the instrument.
T urned off when not in use for a long time.
6
1.4 Buttons define
charging, ensure that the instrument side of the power
Power key: Press and hold min. 2 seconds to switch on or off
Stylus position keys: For switching between sty lus position display
Start key: Start the measurement
Parameter selection Key: Used to view various parameters
Record storage key/ print key: For s t oring and print the record results
Up Arrow key: To select items for the switch
Down arrow keys : Se lect the item for switching
Menu / Enter key: To enter the menu settings
Cancel / Exit key: Used to exit the m enu and unset
1.5 Battery Charging
When battery voltage is too low (battery voltage symbol displays on the screen), the
device should be charged as soon as possible. Use USB port of the instrument for charging. You can
use the power adapter for charging or the computer's USB port for charging. Please notice that by
using of the other power adapter, the output voltage should be 5V DC, the current should be greater
than 800mA.
During ch arging t he instrument displays animation and stops after the battery is full. Charging
time is about 2.5 hours.
This instrument adopts lithium ion chargeable battery without memory effect and charging can
be fulfilled at any time without affecting normal operation of the instrument.
switch is in the ON posit i on
When
7
1.6 Connection of sensor and main unit
main body
protective
tube
protective
tube
main body
sensor socket
Installation and Removing of sensor
For installation, hold the main body of sensor with hand, push it into connection adapter at the
bottom of the instrument as shown in Figure and then slightly pushed it to the end of the sheath. To
remove, hold the main body of pickup or the root of protective sheath with hand and slowly pull it
out.
1、Stylus of pickup is key part of this tester and great attention. should be paid to it.
2、During installation and unloading, the stylus should not be touched in order.
to avoid damage and affecting measurement.
3、Connection of sensor should be reliable during installation.
8
9
Battery
indicator
Number
Sampling
Length
Assess
Length
UnitFilter
Range
2 Measuring Operation
2.1 Preparation for Measurement
Switch-on to check if battery voltage is normal;
Clear the surface of part to be measured;
Place the instrument correctly, stably and reliably on the surface to be measured;
Trace of the pickup must be vertical to the direction of process line of the measured surface.
: Correct and standard operation is the premise for accurate measurement
result, please make sure to follow it.
2.2 Turning On/Off
Press the key to hold 2 seconds
after the instrument will automatically boot,
boot will display equipment type, name and
manufacturer information, and then enter
the basic measurement status main display
interface, as shown.
Introductions：
1. The next boot will be displayed when the last shutdown set content
2. Startup and shutdown, press and hold the key for about 2 seconds to open the instrument will
perform the appropriate action
3. Long time not to use, the instrument should be on the side of the power switch turned off
4. Start measuring sensor is installed, please refer to the stylus position, try to adjust the stylus
cursor position to the best position "0"
10
2.3 Stylus Position
Testing...
ESC:stop
ESC:stop
Motor Detect...
First, use the stylus position to determine the
location of the sensor. The stylus as measured in
the middle position.
In the main interface mode, press the stylus
position key switches stylus position
display screen and the main display screen.
2.4 Start me asurement
In the main interface mode, press the Start button to start measuring
11
2.5 Measurement re sul t di splay
10.3%
6
.5%
5.1%
4.1%
100%
95%
80%
75%
100%
C(Rt)
100%
Rmr0
Rmr
C(Rt)
C(Rt)
Rmr
0 Rmr
100%
C(Rt)
100%
25%
30%
35%
40%
4.1%
5.1%
6.5%
10.3%
10.3%
6.5%
5.1%
4.1%
20%
15%
10%
5%
100%
C(Rt)
100%
Rmr0
Rmr
C(Rt)
R3z= 6.168
μm
Rv= 3.012
μm
Rp= 3.298
μm
Rt= 6.236
μm
Roughness
Rsk=
-0.11
RzJIS= 5.08
μm
R3y= 6.238
μm
Rku= 0.96
Rsm= 0.08mm
Rq= 1.768
μ
m
Rz= 3.016
μm
Ra= 1.598
μ
m
Roughness
C(Rt) Rmr
10% 7.2%
20
% 41.8%
30% 49.8%
40% 52.1%
50% 54.2%
60% 55.9%
70% 58.6%
80% 66.5%
90% 96.6%
100%C(Rt)
0 Rmr
100%
************************
Surface Roughness Tester
************************
2013.04.18 11:05:08
Ln = 0.8mmX5
Range = 40um
Filter = GAUSS
Ra = 1.598um
Rz = 4.275um
Rq = 1.691um
Rt = 5.113um
Rp = 1.966um
Rv = 2.309um
Rs = 0.08mm
R3z = 3.853um
R3y = 4.059um
RzJIS = 3.901um
Rsk = -0.16
Rku = 1.18
Rsm = 0.08mm
Roughness
Ra= 1.598
μ
m
Rz= 4.275
μm
Rq= 1691μm
C(Rt)
Rmr 0 Rmr
100%
C(Rt)
100%
5%
10%
15%
20%
4.1%
5.1%
6.5%
10.3%
After the measurement, can be observed in Figure shows the results of all measurements.
2.6 Print m easurement results
The instrument can b e co nnected to the p rint er.
The measurement results will be printed.
After measurement, Press key to
display the measurement results.
Press key to print the measured data
to a serial printer. At this point, key is
a print key to use.
The instrument can be used according to the
actual requirements of arbitrary parameters
choose to print or print all the parameters, how
to set the parameters, refer to "Print Settings."
12
2.7 Storage measurement results
Saving...
LANGUAGE ENG
UNIT
μ
m
DISPLAY Ra
FILTER GAUSS
Parameter
λ
c
0.8mm
λc 5
RANGE
±40μ
3.Date
2.Recoder
1.Parameter
Menu
Content
ENG CHS
μm μin
； ； ；
±20；±40；±80μ
1-5
0.25 ；0.8 ；
In the main display interface mode, press the key to save the measurement results stored in
the instrument memory. Instrument built-in large capacity memory, can store 100 groups of raw
data and waveform data.
Data storage recording date and time the file name automatically generated according to the last
data record is always stored the most recent recording time, the last data record stored recording
record number will be 001.
2.8 Measuring parameter Settings
In the basic measur ement mode, press the key to enter the menu operation state, press the
parameter setting mode. In the parameter setting mode, you can modify all the measurement
conditions.
keys to select "Preferences" function, then press the key to enter the
13
2.9 Storage Management
2.
Format
1.
View
Recoder
Menu
3.Date
2.Recoder
1.Parameter
006 2013.05.06 08:08
007 2013.05.06 08:06
009 2013.05.06 08:02
008 2013.05.06 08:05
010 2013.05.01 08:08005 2013.05.08 09:01
003 2013.05.08 09:05
004 2013.05.08 09:03
002 2013.05.08 09:07
001 2013.05.08 09:08
Recoder Recoder
Page Up
Page Down
Item Down
Item Up
In the basic m easurement mod e, press the key to enter the menu operation st ate, Press the
keys to select "Recoder" function, Press the key to enter management
projects.
Recoder management by the two project components, 1 view 2 format.
Selected item and press the Enter key to enter.
2.9.1 View Record
Select the appropriate records, press View log content
In view records content, data can be printed according to the specified printer, operate
the following figure.
14
Rz= 3.016
μm
Rq= 1.768
μ
m
Rsm= 0.08mm
Rku= 0.96
R3y= 6.238
μm
RzJIS= 5.08
μm
Rsk=
-0.11
0.8mmx5
±40μ
m GAUSS
Rt= 6.236
μm
Rp= 3.298
μm
Rv= 3.012
μm
R3z= 6.168
μm
C(Rt)
Rmr 0 Rmr
100%
C(Rt)
100%
5%
10%
15%
20%
4.1%
5.1%
6.5%
10.3%
10.3%
6.5%
5.1%
4.1%
40%
35%
30%
25%
100%
C(Rt)
100%
Rmr0
Rmr
C(Rt)
C(Rt)
Rmr 0 Rmr
100%
C(Rt)
100%
75%
80%
95%
100%
4.1%
5.1%
6.5%
10.3%
************************
Surface Roughness Tester
************************
2013.04.18 11:05:08
Ln = 0.8mmX5
Range = 40um
Filter = GAUSS
Ra = 1.598um
Rz = 4.275um
Rq = 1.691um
Rt = 5.113um
Rp = 1.966um
Rv = 2.309um
Rs = 0.08mm
R3z = 3.853um
R3y = 4.059um
RzJIS = 3.901um
Rsk = -0.16
Rku = 1.18
Rsm = 0.08mm
100%
Rmr0
100%C(Rt)
C(Rt) Rmr
10% 7.2%
20% 41.8%
30% 49.8%
40% 52.1%
50% 54.2%
60% 55.9%
70% 58.6%
80% 66.5%
90% 96.6%
Print
2013.05.06 08:08：16
Ra= 1.598μm
15
2.9.2 Format
1.
View
2.
Format
Recoder
Do not Shutdown Power
Format...
Farmat
Are you sure?
1.Parameter
2.Recoder
3.Date
Menu
Up: + Down:-
2013.05.08
Date
09:01:18
:Change
:Back
4.Calibrate SN:K00113061718
RoughnessTester
V
ersion V1.0
About
Menu
5.Print
6.About
Data format is the del etion of data records , once formatted and al l data will be cl eared. In the
data before formatting instrument has confirmation prompt information, user data will not be
restored after confirmation.
2.10 Date Settings
Built-in real time clock calendar instrument used to record information about the test of time to adjust date and
time as follows
2.11 Software Information
Instruments software and hardware information can help users easily upgrade and maintain the product, unique
serial number of the instrument software information items are displayed.
16
2.12 Parameter calibration
Ra= 1.63μm
ESC: Stop
Calibrate..
.
Ra= 1.63μm
Ra= 1.51μm
Calibrate
6.About
5.Print
4.Calibrate
Menu
Calibrate
Calibrate
Menu
4.Calibrate
5.Print
6.About
Before measuring instrument, usually required
calibration use standard calibration Block. The
instrument is configured with a standard
calibration block, before measurement,
instruments to test the block. Under normal
circumstances, when the measured value and the
block value of the difference in the acceptable
range, the measurement value is valid, can be
measured directly.
If the measured value and the block value of th e
difference is greater than a accuracy error range of
the instrument, or the user require high accuracy,
can be used to correct the indication calibration
function and improve measurement accuracy.
Showing the value of the calibration procedure as
shown.
Illustration is based on a model calibrated 1.63µm
steps to calibrate the model for the actual
calibration of the nominal value of the set value.
1、 Under normal circumst ances, the instrument in the factory have been rigorousl y tested,
showing error is much less than ± 10%, in this case, the user is not showing the value
of the calibration frequently used functions.
2、 After setting the calibration value, you must press the key for a full
measurement, instrument calibration to be valid.
3、 New parameters after calibration must be carri ed o ut on ce a com pl ete m easu remen t an d
press the key is stored in the instrument.
4、 Press "ESC" key to return the menu without saving calibration results.
17
2.13 Print setup
6.About
5.Print
4.Calibrate
Menu
Print
6.About
5
.Print
4.Calibrate
Menu
4.Rt OK
2.Rz OK
14.Rmr
3.Rq OK
2.Rz OK
1.Ra OK
Print
The instrument can be used according to the actua l req uiremen ts of any parameter sel ecti on P rint o r
Print All, the steps shown in Figure.
18
3 Options and Usage
Adjustable
Support
3.1 Adjustable support
When measured surface of part is smaller than the bottom surface of the instrument, sheath of
pickup and adjustable supporter of instrument options can be used for auxiliary support to complete
the measurement (as shown in Figure).
1.the value L above shall not be shorter than driving stroke of this measurement to prevent
pickup from dropping out of part during measurement.
2. Locking of adjustable supporter shall be reliable
19
3.2 Measurement Stand
Extending Rod
Sensor
Measurement Stand can adjust the positions between tester and measured part conveniently
with flexible and stable operation and wider application range. Roughness of complex shapes can
also be measured. Meas urement stand enable the adjustment of the position of stylus to be more
precise and measu rem ent to be more stable. If Ra val ue o f me as ured surface is relatively low, Using
measurement platform is recommended.
3.3 Extending Rod
Extending rod increases the depth for pickup to enter the part. Length of extending rod is
50mm.
3.4 Standard Sensor
The standard sensor can measure most types of the plane like inclined plane, cone surface,
inner hole, groove and other surface roughness. The device can be used for hand-held measurement
only in additi on to the standard sensor. Other special sensors are needed to measure the me asuring
platform.
20
Skid
Stylus
Protective Tube
Main Body
Socket
3.5 Curved Surface Sensor
Curved surface sensor is mainly used for measuring radius is larger than the smooth cylindrical
3mm surface roughness, for the larger radius smooth spherical surface and other surface also can
obtain good approximation, the radius of curvature, the surface is smooth, the better the effect of
measurement.
21
3.6 Pinhole sensor
1.8
12
3.6
3.4
44
φ10
φ7
2.5
21.5
78.5
Using Pinhole pickup, the inner surfaces of holes with radius more than 2mm can be measured.
Refer to the following Figure for detailed dimension.
Pinhole pickup
3.7 Deep Groove Sensor
With deep groove sensor, it is possible to measure groove with width wider than 3mm and
depth deeper than 10mm, or the surface roughness of step with height less than 10mm, Also can
used to measure the planar, cylindrical used with platform. please see figure for detailed dimension.
deep groove sensor
22
4 Technical Parameter and Features
Name
Content
The Z axis
0．01μm/±20μm
0．02μm/±40μm
0．04μm/±80μm
ISO, ANSI, DIN, JIS
Graphic
Material ratio curve
Filter
RC, PC-RC, Gauss, D-P
The sampling length(lr)
0.25,0.8,2.5mm
Assessment length
Ln= lr×n n=1~5
<4mN
Ruby，Longitudinal radius 40mm
lr=0.25, Vt=0.135mm/s
lr=0.8, Vt=0. 5mm/s
lr=2. 5, Vt=1mm/s
Return Vt=1mm/s
Accuracy
Repeatability
Power supply
Built-in 3.7VLithium ion battery
Charger :DC5V,800mA/3hour
Working Tim e
More than 20 hours
Weight
4.1 Technical Parameter
Measurem
ent Range
Resolution
ratio
Measureme
nt item
Sensor
(vertical)
The X axis
(horizontal)
The Z axis
(vertical)
Parameter
Standard
（ln）
Principle
Stylus
Force
Skid
160μm
17.5mm
Ra Rz==Ry(JIS) Rq Rt==Rmax
Rp Rv R3z R3y Rz(JIS)
Rs Rsk Rku Rsm Rmr
The displacement differential inductance
Natural Diamond, 90 cone angle, 5μm tip radius
Traversing speed
Outline dimension L×W×H
working Environment
Store and Transportation
No more than±10%
No more than 6%
141×55×40mm
About 400g
Temperature：- 20℃ ~ 40℃
Humidity：< 90% RH
Temperature：- 40℃ ~ 60℃
Humidity：< 90% RH
，
23
4.2 Measuring Range
Rq
Rz
Rm
S
Sm
Parameter Measuring range
Ra
R3z
Ry
Rt
Rp
Sk
tp
5 General Maintenance
0.005μm ~ 16μm
0.02μm ~ 160μm
0 ~ 100%
1mm
0 ~ 100%
5.1 Sensor
1. Any time swap sensors are to be especially careful, careful not to touch the guide head and a
stylus, because this is a key part of the whole instrument, to try to hold the sensor guide head
bracket roots (the front of the body) plug.
2. To complete the measurement work, please timely sensor into the box;
3. Please pay attention to protect the needle part measuring sensor.
4. The sensor's precision components, any knock, touch, fall off phenomenon may damage the
sensor, should try to avoid such situations.
5. The sensor is a damageable part and do not belong to the scope of warranty parts. on. In order not
to affect the measurement work, users are advised to buy a second sensor used for emergency.
5.2 Main Unit
1. Pay attention to maintaining the Main Unit surface clean, often with a soft dry cloth to clean its
surface.
2. The instrument is a precision measuring instrument, should always be handled with care, to avoid
the shock.
5.3 Battery
1. Always observe the battery prompt, when the low voltage, please charge.
2. The charging time is 3 hours, try not to long time charge.
24
5.4 Standard Sample Plate
Motor error
Motor stuck
Reboot
1. The measured surface signal
exceeding the measurement
2. Placed away from the center
of the stylus position
The actual measurement: one
time
Measurement
Out of Range
Set the parameter
Calibrate the tester
1. The surface of a standard sample plate must be kept clean.
2. To avoid scratches on the surface of sample area.
5.5 Troubleshooting
When the tester breaks down, handle the troubles according to measures described on Fault Information. If
troubles still exist, please return the instrument to factory for repair. Users should not dismantle and repair the
device by themselves. Returned instrument should be accompanied with sample plate attached. Phenomenon of
problem should be explained.
Error message
Cause Solutions method
Increase Measuring range
range
Out of Range
Adjust the Stylus position
No test data After the boot does not measure.
Accuracy
Set the parameter error
Calibration data error
measurement
6 References
6.1 Terms
The instrument calculate parameters on the filter profile and the direct profile, all calculated in
line with the GB / T 3505-2000 "Geometrical Product Specification(GPS) —— Surface texture:
25
Profile method —— Term, definitions and surface texture parameters."
Traversing length
0.5mm
Pre-travel
lr
n
Origin
end
Post-travel
Traversing length
end
Pre-travel
Post-travel
Approach
0.5mm
Assessment length
lr
n
Approach
0.5mm
6.1.1 Terms
Filtered profile: profile signal after primary profile is filtered to remove waviness.
D-P (direct-profile): adopt central line of Least Square Algorithm.
RC filter: analogue 2RC filter with phase difference.
PC-RC filter: RC filter with phase-correction.
Gauss filter: ISO11562.
6.1.2 Traversing Length
●RC Filter
Approach
travel
● GAUSS Filter
travel
● PCRC Filter
Pre-trave
lr/2
Origin
travel
2lr
lr
×
Assessment length
lr ×n
Assessment length
×
lr
lr/2
26
( )
dxxZ
l
Ra
l
∫
=
0
1
Z
1
Z
2
Zi
Zn
( )
∫
=
l
dxxZ
l
Rq
0
2
1
Traversing length
end
Origin
6.2 Parameters Definitions
6.2.1 Arithmetical Mean Deviation of Pr of ile Ra
Ra is arithmetic mean of the absolute values of profile deviation Z（x）from mean within sampling length.
6.2.2 Root-mean-square Deviation of Profile Rq
Rq is the square root of the arithmetic mean of the squares of profile deviation Z(x) from mean within
sampling length.
6.2.3 Maxim um Height of P rof ile Rz
Rz is t he sum of height Zp of the highest profile peak from the mean line and depth Zv of the deepest profile
valley from the mean line within sampling length。
27
Rz
中线
Zp
1
Zp
2
Zp
3
Zp
4
Zp
5
Zp
6
Zv
1
Zv
2
Zv
3
Zv
4
Zv
5
Zv
6
Zv
1
6.2.4 Total Peak-to-valley Height Rt
Rt is the sum of the height of the highest peak Zp and the depth of the deepest valley Zv over the evaluation
length.
28
6.3 Recommended table of the sampling length
0.05～0.063
0.25～0.32
Sample
Ra (µm) Rz (µm)
length
＞5～10 ＞20～40
＞2.5～5 ＞10～20
＞1.25～2.5 ＞6.3～10
2.5
＞0.63～1.25 ＞3.2～6.3
＞0.32～0.63 ＞1.6～3.2
＞0.25～0.32 ＞1.25～1.6
＞0.20～0.25 ＞1.0～1.25
＞0.16～0.20 ＞0.8～1.0
＞0.125～0.16 ＞0.63～0.8
＞0.1～0.125 ＞0.5～0.63
＞0.08～0.1 ＞0.4～0.5
＞0.063～0.08 ＞0.32～0.4
0.8
0.25
＞
＞
＞0.04～0.05 ＞0.2～0.25
＞0.032～0.04 ＞0.16～0.2
＞0.025～0.032 ＞0.125～0.16
＞0.02～0.025 ＞0.1～0.125
SaluTron Messtechnik GmbH
Dr.-Gottfired-Cremer-Allee 30/7 · D-50226 Frechen
Tel. +49 (0) 2234 99 99 96 0 · Fax. +49 (0) 2234 99 99 96 2
E-Mail: info@salutron.de · www.salutron.de
Loading...