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Digital Roughness Tester

Digital Roughness Tester

Digital Roughness Tester

Applications:
Widely used in a variety of production sites. To measure the surface roughness of a variety of machined parts based on the selected measurement conditions, calculate and clearly show all the appropriate parameters in the LCD display.
 
Product  description:
The instrument uses computer technology, in line with GB / T 6062 and ISO, DIN, ANSI and JIS standards. When measuring the surface roughness of a part, place the sensor on the work pieces of the measured surface, the drive mechanism within the instrument glides the sensor with constant speed along the surface to be measured, the sensor through the built-in sharp stylus detect the measured surface roughness.
At this point stylus displacement due to the workpiece surface roughness caused the inductance change of the sensor, which in the phase-sensitive rectifier output the analog signal of the measured surface roughness. After amplification and level conversion the signal into the data acquisition system, the DSP chip will filter and calculate the collected data. The measurement results will then display on the LCD, at the same time connect with the PC for communication, data analysis and printing.

  • Multi-parameter measurement: Ra, Rz, Rq, Rt

  • High-precision inductance sensor

  • RC.PC-RC.GAUSS.D-P Four filtering methods

  • Built-in lithium-ion rechargeable battery and charge control circuit, high capacity

  • Mechatronics design, small size, light weight, easy to operate

  • Automatic shutdown function

  • Can memories 7 sets of measurement data and measurement conditions, for the next view or online processing

  • Metric / Imperial conversion function

  • Used  “USB data line output” and “RS-232 data line output” to communicate with the PC

  • Optional: Bluetooth data output

 
Product parameters:

  • Display: blue backlight, 4-digit display, 10mm LCD

  • Measurement parameters: Ra, Rz, Rq, Rt

  • Measuring range:

  1. Ra,Rq: 0.005 ~ 16.00μm/ 0.020 ~ 629.9μinch

  2. Rz, Rt: 0.020 to 160.0μm/ 0.078 to 6299μinch

  • Accuracy: ≤ ±10%

  • Indicator Fluctuation: not more than 6%

  • Sensor:

  1. Measuring principle: Inductance Type

  2. Stylus tip radius: 5μm

  3. Material: Diamond

  4. Force measurement: 4mN (0.4gf)

  5. Stylus tip angle: 90°

  6. Radius of Skid curvature: 48mm

  7. Maxi drive range: 17.5mm / 0.7inch

  8. Sampling length (optional): 0.25mm, 0.8mm, 2.5mm

  • Drive speed:

  1. When measuring: Vt = 0.135mm/s for sample length = 0.25mm

  2. When sampling length = 0.8mm, Vt = 0.5mm/s

  3. When sampling length Vt = 2.5mm/s Vt = 1mm/s

  4. When returning: Vt = 1mm/s

  • Four filter contours:

  1. Filtering profile: RC, PC-RC, GAUSS

  2. Not filtered contours: D-P

  3. Resolution: 0.001μm (measurement <10μm)

  4. 0.01μm (10μm ≤ measurement ≤ 100μm)

  5. 0.1μm (measurement ≥ 100μm)

  • Evaluation Length (Ln): 1 ~ 5L optional

  • Memory function: 7 groups

  • Working environment: Temperature: 0 ~ 50°C Humidity: <80% RH

  • Power: rechargeable lithium battery

  • Dimensions: 140 x 52 x 18mm

  • Weight: 420g

 
Standard accessories:

  • 1 Roughness Tester

  • 1 x Screwdriver

  • 1 x Standard template

  • 1 x Standard sensor

  • 1 x Carrying case

  • 1 x Operation Manual

 
Optional accessories:

  • Deep groove sensor

  • Surface sensor

  • Measuring extension rod

  • Measurement stand

  • USB or RS232 cable and software

  • Bluetooth devices and software

                     

Order number

Measuring Range

Unit

TMMU66-01001R

Ra, Rq: 0.005 ~ 16.00μm/0.020 ~ 629.9μinch
Rz, Rt: 0.020 ~ 160.0μm/0.078 ~ 6299μinch

PC

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