Surface Roughness Testers

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  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers
  • Surface Roughness Testers

Description

The surfaces roughness tester is a small handheld instrument, for shop floor use and mobile measure, 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 international standard. The measurement results are displayed digital/graphically on the color graphic LCD display, And output to the printer.

Features by Model

NG-SR100-T System

  • Portable & economical
  • Large measuring range suitable for surface roughness testing of metal and non-metallic materials
  • Robust and durable design with anti-electromagnetic interference ability
  • High-speed DSP processor for maximum speed of data processing and calculation
  • LCD with wide temperature ranges using OLED color display, high brightness and no visual angle interference, making the system suitable for various occasions.
  • Long-life lithium ion rechargeable battery can work for a long time with no impact on memory data loss.
  • Dedicated charger or computer USB port for charging
  • Real-time monitoring of lithium battery power and display with alert function for operator
  • Automatic shutdown function and low power design of software and hardware of the instrument designed for in-field long-lasting use.
  • Optimized electric circuit design with transducer structure-design.
  • The system can test ex-circle, flat surface, conical surface and also test groove larger than 80x30mm

NG-SR200-T and NG-SR300-T System

  • Electromechanical integration design allowing for a compact, light weight system with extremely user-friendly
  • Using DSP chip to control and process data with high speed and low power consumption
  • 128 x 64 mm OLED dot matrix display with digital / graphic display
  • Intuitive and rich display of all required parameters and graphics
  • Compatible with ISO, DIN, ANSI, JIS national standards;
  • Continuous work time of over 20 hours.
  • Real-time clock settings and display with convenient data recording and storage.
  • Automatic sleep mode and automatic shutdown and power saving mode
  • Can be connected to a computer and printer;
  • Optional sensor upgrades, measuring platforms, mini printer, extension rods and other accessories.
  • Plastic shell, inspired by “TRANSFORMERS” with stylish and compact design, with extreme high reliability.
  • Bluetooth function
  • APP data acquisition and management option

NG-SR400-T System

  • Mechatronics design with embedded printer can directly print out measurement results and graphics
  • 320μm large measuring range (upgrade to 640μm, optional) inches color graphic LCD touch screen with backlight provide high brightness and wide viewing angle
  • Easy button and touch screen dual operation
  • The display information is rich, intuitive, and displays all parameters and graphics
  • Compatible with ISO, DIN, ANSI, JIS and many national standards
  • Built-in lithium-ion rechargeable battery, charging control circuit, high capacity, no memory effect
  • Includes charge indicator, charging hint
  • Continuous working time is more than 50 hours
  • Large internal memory: 100 groups of original data and waveform can be stored
  • Real-time clock setting and display, convenient for data recording and storage.
  • Comes standard with automatic sleep, automatic shutdown and other power-saving functions
  • Reliable circuit and software design to prevent the motor for getting stuck
  • External drive unit allows more flexible measurement on side, upper, and other measurement orientations.

Measuring Principle

Surface roughness tester measuring principle

Surface roughness testers offers a linear roughness measurement. This is done by tracing a mechanical tip along a surface to measure roughness along an arbitrary line. As the equipment evolves in sophistication, manual contact methods may be replaced by last, optic and other testing processes for faster and more user-friendly results. Contact our quality consultants today to help identify which surface roughness testing system would be the optimal solution for your testing needs.

The surface roughness values are normally displayed in Ra, which is the average absolute deviation from a central line of a surface. Additional values include the Rq, which is the root mean square of the deviation. There is a vast number of other testing scales depending on your specific requirements. A more advanced surface roughness tester may offer more testing scale options.

After the test, the data collection system is processed with digital filtering and parameter calculation system via a DSP chip and the measuring result can be read on LCD screen or simply printed through printer and communicated with PC.

Optional Sensors

NG-SR55 Extension rod. Used to extend length of sensor when testing deep hole (55mm)
Extension rod
NG-SR90 Right angle measuring mechanism.
Right angle measuring mechanism
NG-SR100 Standard sensor, plane & shaft & inner surface of hole>6mm, depth <22mm
Standard sensor
NG-SR120 Small hole sensor, cylindrical& plane &inner surface of hole>2 mm, depth <9mm
Small hole sensor
NG-SR110 Sensor for curved surface & plane, cylindrical, curvature radius>3 mm
Sensor for curved surface & plane
NG-SR131 Sensor for deep groove, cylindrical & plane & groove width>3 mm, depth<10mm
Sensor for deep groove
NR-S520 Metal Working Platform
Designed for elevating, and stability during the testing procedure
Metal Working Platform
NG-SR620 Marble Substrate Working Platform, elevating, V groove, high accuracy to test tiny work piece.
Marble Substrate Working Platform
NR-SRB-GEN Roughness comparison block
High quality comparison block of surface roughness with anti-rust treatment.
30 comparison block/set
Roughness comparison block

Technical Specifications

Other Testing Systems Available Upon Request ***

NG-SR400T
Measuring rang The Z axis (vertical) 320μm (-160μm-160μm), 12600μin (-6300μin-+6300μin)
The X axis (Transverse) 17.5mm(0.69 inch)
Resolution the Z axis (vertical) 0.002μm/±20μm 0.004μm/±40μm
0.008μm/±80μm 0.02μm/±160μm
Display Parameter Ra Rz, Rq Rt, Rc Rp Rv R3z R3y Rz(JIS) Ry Rs Rsk Rku Rmax Rsm Rmr RPc Rk Rpk Rvk Mr1 Mr2
Assessed Graphic Rmr curve, Roughness curve, Primary Profile, Filter waveform
Standard ISO4287, ANSI b46.1, DIN4768, JISb601
Filter RC,PC-RC,Gauss,D-P
Cut off length(lr) 0.25,0.8,2.5mm
Assessment length (ln) Ln= lr×n n=1-5
Sensor Measuring principle Differential Inductance
Stylus tip Diamond, 90°/ cone angle/5μmR
Force Measuring force<4mN, Skid force<400mN
Guide parts hard alloy, skid radius of curvature: 40mm
Measuring speed lr=0.25, Vt=0.135mm/s lr=0.8, Vt=0. 5mm/s
Accurate to 0.001μm
Tolerance ±(5nm+0.1A) A=Ra standard value of precise specimen
Repeatability ≤3%
Residual Profile ≤ 0.010μm
Power supply Built-in Lithium ion battery 3600mAh
Main unit dimension 155×145×58mm
Drive unit dimension 23×27×115mm
Zoom of height adapter 40mm
Weight Around 1000g
Working Environment Temperature: - 20℃ ~ 40℃ Humidity: < 90% RH
Store and Transportation Temperature: - 20℃ ~ 40℃ Humidity: < 90% RH
Standard sensor Groove sensor
Optional accessory Magnetic stand, height gauge and related adapter, curved sensor, small hole sensor, deep groove sensor, very small hole sensor, Extending Rod, Right Angle Rod, mini printer, 200mm platform, 300mm marble platform, software, mobile APP
Request Quote

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