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MEWOI-KD320 High Precision Surface Roughness Gauge Meter Tester
INTRODUCTION
| MEWOI-KD320 Handheld roughness meter Suitable for cold rolling steel production sites, research laboratories and factory metering rooms.The hand-held roughness meter measures the surface roughness of a variety of machined parts, calculates the corresponding parameters according to the selected measurement conditions, and clearly displays all measurement results and graphics on the LCD display, and can be output on the printer. Communicate with the PC.With value storage and storage data query function. |
MAIN FEATURES
| 1,Shell used to pull aluminum mold design, durable, anti-electromagnetic interference ability significantly, in line with the design of the new trend. | 2,Using high-speed DSP processor for data processing and calculation, measurement and computation speed is greatly improved. |
| 3,Liquid crystal display wide temperature using OLED color display, popular high brightness, no visual angle, is suitable for various occasions. | 4,The lithium ion rechargeable battery, can work for a long time, no memory effect, can while charging, charging time is short, long battery life. |
| 5,Using a dedicated charger or computer USB port for charging, convenient and quick. | 6,Real-time monitoring of lithium battery power and display, and to remind users to charge with charging progress indication. |
| 7,Automatic shutdown function and low power design of software and hardware of the instrument with long working hours, suitable for field use. | 8,The surface roughness of metal and non-metallic. |
| 9,Pocket-size & economically price | 10,Large measuring range suitable for most materials |
| 11,Optimized electric circuit design with transducer structure-design, high integrate power. | 12,It could test ex-circle, flat surface, conical surface and also test groove larger than 80*30mm. |
TECHNICAL SPECIFICATION
| Model No. | MEWOI-KD320 |
Testing parameters | Ra, Rz, Rq, Rt |
Measuring range (um) | Ra, Rq: 0.05-15.0 Rz, Rt : 0.1-50.0 |
Sample length (mm) | 0.25, 0.80, 2.50 |
Evaluation length(mm) | 1.25, 4.0, 5.0 |
Stroke length (mm) | 6 |
Indication accuracy | 0.01 |
Indication error | ±(7-10)% |
Variability | <12% |
Power | Rechargeable li-battery |
Stylus static force: | ≤ 0.016N |
Force measuring rate of change | ≤ 800N/m |
Working temperature | -20℃～40℃ |
Relative humidity | <90% |
Weight of Host | 200g |
Size | 106mmx70mmx24mm |
Standard Configuration
Item
| Name | QTY |
1 | Host | 1 |
2 | Calibration block and bracket | 1 |
3 | Charger | 1 |
4 | Data line | 1 |
5 | Operating manual | 1 |
6 | Warranty card | 1 |
7 | Certificate of approval | 1 |
8 | Instrument case | 1 |
Definition of Roughness Gauge Parameters
1. Surface roughness: refers to the micro-geometric characteristics of the machined surface with small spacing and valleys. |
| 2. Sampling length λc: The length of a reference line used to distinguish the surface roughness characteristics. |
| 3. Evaluation length: The length of a section necessary for assessing contours, which may include one or more sampling lengths. |
| 4. Profile Arithmetic Average Deviation Ra: Arithmetic Average of Contour Offset in Sampling Length |
| 5. Contour RMS deviation Rq: RMS value of ordinate values within a sampling length |
| 6. Contour maximum height Rz (ISO): The height of the sum of maximum contour peak height Rp and maximum contour Valley depth Rv within a sampling length; |
| 7. Total height of contour peak and valley Rt: the sum of maximum contour peak height and maximum contour Valley depth in the evaluation length. |
SELECTION GUIDE
| Model No. | Measuring Parameters | Range | Accuracy | Resolution | Profile Digital Filter | Evaluation Length | Memory | Power Supply | Others |
MEWOI-SR300 | Ra、Rz（ISO）、Ry、Rq、Rt、Rp、Rv、Rz（JIS）、Rmax、 R3z、RSk、RS、RSm、RPc、Rk、Rpk、Rvk、Mr1、Mr2 | Ra:0.05~12.5µm Rz:0.020~160.0µm | <<±10%,Fluctuation:<<6% | 0.001 | RC,PC-RC,GAUSS,D-P | 1~5L Optional | Yes | Rechargeable | |
MEWOI-TRT7100 | Ra,Rz | Ra:0.05~10.00µm Rz:0.1~50.0µm | <<±15%,Fluctuation:<<10% | 0.001/0.01/0.1 | --- | 1~2L Optional | --- | 4x1.5V AA | |
MEWOI-TRT7200 | Ra,Rz | Ra:0.05~10.00µm Rz:0.020~100.0µm | <<±10%,Fluctuation:<<6% | 0.001/0.01/0.1 | RC、PC-RC、GAUSS、D-P | 1~5L Optional | --- | Rechargeable | |
 MEWOI-KD320 | Ra, Rz, Rq, Rt | Ra, Rq: 0.05-15.0 Rz, Rt : 0.1-50.0 | ±(7-10)% | 0.01 | RC、PC-RC、GAUSS、D-P | 1.25, 4.0, 5.0 | --- | Rechargeable | |
 MEWOI-KD330 | Ra, Rz, Rq, Rt | Ra, Rq: 0.05-15.0 Rz, Rt : 0.1-50.0 | ±(7-10)% | 0.01 | RC、PC-RC、GAUSS、D-P | 1.25, 4.0, 5.0 | --- | Rechargeable | |
 MEWOI-KD420 | Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, RzJIS, Rsk, Rku, Rsm, Rmr, Rx; | Ra: 0.005-16.000 Rz: 0.02-160.00 | ±(7-10)% | 0.01 | RC、PC-RC、GAUSS、D-P | (1-5)L | 100groups | Rechargeable | Bluetooth |
 MEWOI-KD450 | Ra, Rz, Rq, Rt, Rp, Rv, R3z, R3y, RzJIS, Rsk, Rku, Rsm, Rmr, Rx; | Ra: 0.005-16.000 Rz: 0.02-160.00 | ±(7-10)% | 0.01 | RC、PC-RC、GAUSS、D-P | (1-5)L | 100groups | Rechargeable |
