MR200 Surface Roughness Tester
Mitech
MR200
Z Axis(Vertical)320μm,X Axis(Horizontal)17.5mm
Z Axis(Vertical)0.01μm/±20μm,0.02μm/±40μm,0.04μm/±80μm,0.08μ
Can store 20 sets of measurements results；，MICRO-USB
More than 16hours
360g
119×47×65mm
36*27.5*13cm
2.4kg
Product
Overview
Graphic
Technical
Configuration
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Product
- Overview
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- Technical
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Product OverviewThe MR200 surface roughness tester is a new upgrade instrument which adopts the newest processor. This instrument adopts 2.7 inch OLED display, combines accurate measurement, exquisite design, fast process rate and complete protection in one host. It is highly favored by users since it was produced, it has large measurement range, superior than other similar products and can meet different needs of users. By connecting with Micro-USB port, Bluetooth, SD card, it can do wireless remote control, measurement, print and communicate with PC and store massive data. It has been widely used in the quality control process of various precision metals, plays an important and necessary role in rising production qualification rate and saving cost.
Function & applicationFour filter methods of RC, PC-RC, GAUSS, D-P ;
Compatible with four standards ISO, DIN, ANSI, JIS;
Adopt 2.7 inch 128×64 dot OLED display,without back-light and dead spot. Capable of showing all parameters, profile graph and Chinese/English menu;
Adopt the most popular DSP chip to control and process data;
Build-in storage can memorize 20 sets of complete measurement data;
External SD Card can expand mass data storage;
Build-in wireless remote control module to remote control measurement;
Build-in Bluetooth module can be connected with the Bluetooth printer to print all the parameters and profiles;
Build-in Micro-USB port, can communicate with PC make measurement results analysis by data processing software;
Working PrincipleThis instrument adopts needle scanning method to test the surface roughness of the work piece.
When measuring roughness of part surface, the probe is placed on the surface of the part and then tracing the surface at constant rate. The probe acquires the surface roughness by the sharp stylus in probe. The roughness causes displacement of probe 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 calculation by ARM chip and the measuring result can be read on OLED display. The results can be printed by Bluetooth printer.
Working ConditionsAmbient temperature: -20℃～＋50℃;
Storage temperature: -30℃～＋70℃;
Relative humidity: ≤90％;
The surrounding environment should avoid of vibration, strong magnetic field, corrosive medium and heavy dust.
Instrument Features28 Measuring parameters: Ra, Rq, Rz, Rt, Rp, Rv, RS, RSm, Rz(JIS), Ry(JIS), RSk, R3z, Rmax, RPc, Rmr, Rku, RΔa, RΔq, Rδc, Ry; Rk, Rpk, Rvk, Mr1, Mr2, A1, A2, V0;
Adopt 320μm high accuracy inductance probe;
Four filter methods of RC, PC-RC, GAUSS, D-P ;
Compatible with four standards ISO, DIN, ANSI, JIS;
Adopt 2.7 inch 128×64 dot OLED display,without back-light and dead spot. Capable of showing
all parameters, profile graph and Chinese/English menu;
Adopt the most popular DSP chip to control and process data;
Build-in storage can memorize 20 sets of complete measurement data;
External SD Card can expand mass data storage;
Build-in wireless remote control module to remote control measurement;
Build-in Bluetooth module can be connected with the Bluetooth printer to print all the parameters and profiles;
Build-in Micro-USB port, can communicate with PC make measurement results analysis by data processing software;
Build-in lithium-polymer rechargeable battery and charging protection circuit;
Mechatronics design, smaller and portable to carry;
Automatic shut down for power saving, each operation step has a hit message;
Full accessories, options for curve surface probe, deep groove probe, small hole probe, tiny hole probe, tooth surface probe, small pillar, height adjust platform, extension bar, lateral transfer rod etc.
Operating Method and Attentionsoperation instruction,
① Plugging the probe carefully into the instrument, install it on the connecting part of the pillar;
② Using the curved surface probe, we should try to use a shorter range, such as 0.25um
sampling length especially when the arc is small;
③ Raise the slide adjustment rack of pillar slightly above the work piece surface, fall the probe till
contact with the work-piece. In the process, you should be careful especially when the probe is about to touch the work-piece;
④ Make the probe stylus point at the surface peak (or lowest point);
⑤ Adjust the body of the probe to the visual level state, observe whether the stylus position is
near the center;
⑥ Before measurement, move the work-piece to the right half of the measuring range, press start
Indication calibration,
Use the single-scale line for calibration
Instrument MaintenanceWhen the instrument shows abnormal phenomenon, such as no measurements, the liquid crystal abnormal display, larger error, the keyboard operation failure or malfunction confusion, please refer to the troubleshooting index table, exclude common failure. Please do not disassemble or adjust any fixed assembly parts, you should entrust to the company's after-sales service department for maintenance and disposal.
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Measurement range： Z Axis(Vertical)320μm(Ra=80μm),X Axis(Horizontal)17.5mm Resolution Z Axis(Vertical)0.01μm/±20μm,0.02μm/±40μm,0.04μm/±80μm,0.08μm/±160μm, Parameters Ra, Rq, Rz, Rt, Rp, Rv, RS, RSm, Rz(JIS), Ra, Rq, Rz, Rt, Rp, Rv, RS, RSm, Rz(JIS), Ry(JIS), RSk, R3 Filter RC,PC-RC,Gauss,D-P Sampling length(lr) 0.25,0.8,2.5mm Assessment length(ln) Ln= lr×n,n=1~5 Probe Principle:Differential Inductance.Ruby, Longitudinal radius 40mm Accuracy <=±10% Repeatability <=6% Power Built-in Lithium ion battery, AC adapter 8.4V,800mA Dimensions 112×50×47mm Net weight About 360g -
Standard probe The standard sensor of Mitech portable surface roughness tester MR200, length: 80.5mm, main body length: 46mm, guide-head bearer length: 23mm, main body diameter of Φ10mm, core-insert sleeve diameter of Φ7mm, guide-head height of 8.7mm, it is the standard configuration of the surface roughness tester. The standard sensor can meet the surface roughness measurement for most conventional surfaces like plane, inclined plane, cone, inner hold and grooves, easy for hand-held operation. Except this standard sensor, all other special sensors need to use with measuring platform. 
Remote control The remote control of Mitech portable surface roughness tester MR200, it is the configuration of the instrument, used for remote control the surface roughness tester. The remote control measurement can reduce the error caused by manual operation. Its measurement is more accurate. 
Straight screwdriver The special screwdriver is the special tool in the standard configuration for Mitech portable surface roughness tester MR200. When working with the height gauge pillar for measurement, it can make the instrument installed closer on the height gauge pillar to ensure the measurement stable by adjusting the nut with the screwdriver. 
Calibration sample The calibration sample of Mitech portable surface roughness tester, it is the standard configuration of the instrument, used to calibration the value of the instrument, the standard roughness calibration area in the middle of the sample. When using the calibration sample for calibration, if the really measuring value beyond ±10% of the nominal of sample or the having higher requirement for the measuring accuracy, it needs to use the value calibration function according to the percentage of the actual deviation. the calibration range should not larger than ±20%. Under the normal situation, the instrument should be tested strictly before leaving manufacturer, the value error is less than ±10%，it is recommended for users not frequency use the value calibration function. If the calibration value is set to “00”， the instrument would be back to the factory reset. The sample surface should keep clean to avoid scratching the working area surface of the sample. Scratching or wearing of the sample will mislead the value calibration. 
Sample pad The sample pad of Mitech portable surface roughness tester, the standard configuration of the instrument, used to instrument calibration to support the surface roughness tester to make its height consistent with the value on the calibration sample to finish the calibration, it is the mating part of the value calibration sample. 
Power adapter The sample pad of Mitech portable surface roughness tester, the standard configuration of the instrument, used to instrument calibration to support the surface roughness tester to make its height consistent with the value on the calibration sample to finish the calibration, it is the mating part of the value calibration sample. 
Height bracket The height bracket of Mitech portable surface roughness tester, it is the standard configuration for MR200. When the totally height of the workpiece less than 28mm, the measured surface bearing length less than the instrument totally length, it can use the sleeve and height bracket for auxiliary completing the measurement . During using, please first install the sleeve, then put the instrument on the height bracket, lock firmly the height bracket to ensure its stable. The bottom of the instrument is in the state of the suspension. Then, adjust properly the height bracket to make the stylus position of the instrument closing to the zero point. This accessory is only limited to the surface roughness measurement of the small size step with the height of about 28mm. If the workpiece with complex shape and high height, it needs to use the height gauge pillar or measuring platform to complete the measurement. 
Sensor sleeve The sensor sleeve of Mitech portable surface roughness tester, it is the standard configuration of MR200. When the totally height of the workpiece less than 28mm, the measured surface bearing length less than the instrument totally length, it can use the sleeve and height bracket for auxiliary completing the measurement . During using, please first install the sleeve, then put the instrument on the height bracket, lock firmly the height bracket to ensure its stable. The bottom of the instrument is in the state of the suspension. Then, adjust properly the height bracket to make the stylus position of the instrument closing to the zero point. This accessory is only limited to the surface roughness measurement of the small size step with the height of about 28mm. If the workpiece with complex shape and high height, it needs to use the height gauge pillar or measuring platform to complete the measurement. 
Instrument case The instrument case of Mitech portable surface roughness tester with length of 35cm, width of 70cm, height of 11cm and weight of 1.6kg, designed with ABS engineering plastic, It has excellent performance like waterproof, shockproof, excellent heat resistance and low temperature resistance. It can effectively prevent oil, dust and corrosion in harsh environment. Its size in line with the standards for aviation and train carrying (capable of putting under the seat and on the luggage rack), highly compressed format design, beautiful and regular, it is safe, reliable and stable. Attached files Mitech surface roughness tester with customized packing documents has included product certificate, warranty card, product manual and packing list. The packing documents had used the special printed paper. The manual is with graphic design, beautiful, easy to understand, easy to save for a long time.
Note: The electronic version of the packing documents for Mitech series products can be downloaded from www.meijiausa.com.
Communication cable The communication cable of Mitech surface roughness tester, used for connecting PC for controlling the measurement and transferring the data, it also can be used for doing charging to the main unit. -
Tiny-hole sensor The tiny-hole sensor of Mitech portable surface roughness tester MR200, with totally length of 77mm, main body length of 46mm, guide-head bearer length of 19.6mm, main body diameter of Φ10mm, core-insert sleeve diameter of Φ7mm, guide-head height of 2mm, It is the optional configuration of the surface roughness tester, mainly used for measuring the inner surface roughness of the circular hole with a diameter larger than 2.5mm. And its other usage is the same as the standard sensor. 
Small-hole sensor The small-hole sensor of Mitech portable surface roughness tester MR200, with totally length of 77mm, main body length of 46mm, guide-head bearer length of 19.6mm, main body diameter of Φ10mm, core-insert sleeve diameter of Φ7mm, guide-head height of 5mm, It is the optional configuration of the surface roughness tester, mainly used for measuring the inner surface roughness of the circular hole with a diameter larger than 5mm. And its other usage is the same as the standard sensor. 
Deep groove sensor The deep groove sensor of Mitech portable surface roughness tester MR200, with totally length of 80.5mm, main body length of 46mm, guide-head bearer length of 23mm, main body diameter of Φ10mm, core-insert sleeve diameter of Φ7mm, guide-head height of 14.2mm, It is the optional configuration of the surface roughness tester, mainly used for measuring the roughness for various surfaces like plane, inclined plane, cone, inner hold and grooves. The deep groove sensor is closest to the standard sensor, only larger its depth. Compared with the standard sensor, it is not able to carry on the handheld measurement. It needs to work with the measuring platform, mainly for measuring the roughness of the workpeice with the depth which the standard sensor can’t reach. 
Curved surface sensor The curved surface sensor of Mitech portable surface roughness tester MR200, with totally length of 78mm, main body length of 46mm, guide-head bearer length of 20mm, main body diameter of Φ10mm, core-insert sleeve diameter of Φ7mm, guide-head height of 7.8mm, It is the optional configuration of the surface roughness tester, mainly used for measuring the surface roughness for the smooth cylinder with radius larger than 3mm. For the smooth cylinder or other curved surface with larger radius, it also can get the ideal approximately value, the larger of the curvature radius, the smoother of the surface, the better the measurement. 
Tooth surface sensor The tooth surface sensor of Mitech portable surface roughness tester MR200, with totally length of 78mm, main body length of 44mm, guide-head bearer length of 22mm, main body diameter of Φ10mm, core-insert sleeve diameter of Φ7mm, guide-head height of 1.5mm, It is the optional configuration of the surface roughness tester, mainly used for measuring the surface roughness for cylindrical gear with digital-analogy larger than 2mm. It needs with height gauge pillar to finish the measurement. 
Bluetooth printer The Bluetooth printer, the optional configuration of Mitech portable surface roughness tester MR200, separated from the main unit, it does not occupy the main unit power supply. With independent power supply, it is easy to use and operate. It can realize the Bluetooth communication with the main unit without needing cable. The imported thermal high speed printer core, low fault rate, strong anti-interference, it can meet demand for data printing on site with high quality. 
Height support pillar The height support pillar of Mitech portable surface roughness tester MR200, the optional configuration for this instrument, mainly used for supporting the instrument, make the position between it and the tested workpiece relatively parallel and stable, effectively contact with special position like groove or small hole and so on to realize the surface roughness measurement. It enlarged the application range of the surface roughness tester. It should pay special attention to avoid the damage to the sensor caused by faulty operation when using the height gauge pillar. When the sensor is close to the workpiece surface, it is necessary to carefully observe the stylus position on the screen. It would be OK to make the needle stay at the position of the zero graduation line on the display. When the Ra value of the measured surface is small, it is recommended to use the measurement platform and use the remote control to start the measurement to reduce the impact on the measurement result caused by the external environment. Except the standard sensor, the others sensors like curved surface sensor, deep groove sensor, small-hole sensor need to work with height gauge pillar together. Extension bar 127 The extension bar of Mitech portable surface roughness tester, the optional configuration for the instrument, mainly used for adding various sensor like standard sensor, curved surface sensor, deep groove sensor and so on, which can make the sensors extend 127mm to realize longer distance measurement. 
Trimming platform The trimming platform of Mitech portable surface roughness tester, one of the most important accessories to realize the accurate roughness measurement, equipped with the device for the X-Y micro-feed adjustment and X-Y in-plane rotation micro adjustment, stable and reliable, it is the necessary auxiliary trim platform for high accuracy roughness measurement. The dovetail guide rail can ensure the X-Y to straight accurately movement. The trimming working platform, need to use with measurement support platform, it is the necessary accessory for the testing of parts with complex shape and high precisely measurement. It also can be used as auxiliary adjustment tool for other measurements. Its parameters as below: X: ±12.5 mm, Y: ±12.5 mm. Rotation: rough adjustment: 360o, micro adjustment: ±5o. Data processing software The Mitech portable surface roughness tester can option the PC data proceeding software, which has the functions of data management, controlling measurement, graphic display, parameter setting, printing, storage, file management and so on. It is suitable for monitoring the manufacturing process in various industries related to the metal. With the analysis results provided by the software, it can make enterprise quality control more scientific basis and higher traceability. Improving the quality of enterprise information management level is the effectively guarantee for enterprise controlling the product qualification rate and improving the product quality. The software can also be used as effective tools in scientific research units related with metal materials, manufacturing plants, universities and other departments engaged in theoretical teaching, experimental analysis and basic scientific research. 
Extension Bar 50 The extension bar of Mitech portable surface roughness tester, the optional configuration for the instrument, mainly used for adding various sensor like standard sensor, curved surface sensor, deep groove sensor and so on, which can make the sensors extend 50mm to realize longer distance measurement.
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