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- Product description
- Specifications
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High Precision Roughness Tester
Description
Precision roughness tester DR300 is a high precision instrument
to test the surface degree of finish. It can measure surface
roughness of the machined parts, including plane, bevel, outer
cylindrical, surface, holes, trenches and axles and so on.
Measuring Range
Parameter
Indicating Range
Ra, Rq
0.005μm~16μm
Rz, R3z, Ry, Rt, Rp, Rm
0.02μm~160μm
Sk
0~100%
S, Sm
1mm
tp
0~100%
Features
◎Sensor and main unit are separated, to meet different demands of test
◎Use DSP chip to control and process data, with high speed and low power consumption ◎Compatible with ISO, DIN, ANSI, JIS
multiple national standards
◎Continuous working time more than 20 hours
◎Large-capacity data storage, can store 100 groups of raw data and waveform.
◎Thermal printer and instrument are integrated as a whole, quiet work, rapid print, you can print the contour curve and ratio curve of the material.
◎Real-time clock setting and display for easy data recording and storage.
◎With automatic sleep, automatic shutdown and other power-saving features
◎Reliable circuit and software design to prevent the motor stuck.
◎Instrument can display a variety of information tips and instructions. For example Measurement result display, the menu prompts, error messages, and switches.
◎Chinese / English language selection.
◎Can connect to the computers
◎Print all the parameters or any parameter set by the user.
◎Optional curved surface sensor, holes sensors, measuring platform, sheath of sensor, extension rod and other accessories.
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Technical Parameters
Name
Content
Measuring
Z-axis (vertical)
160μm
Range
X-axis (horizontal)
17.5mm
0.01μm/±20μm
Resolution
Z-axis (vertical)
0.02μm/±40μm
0.04μm/±80μm
Ra Rz==Ry(JIS)
Measuring
Parameters
Rq Rt==Rmax
Items
Rp Rv R3z R3y Rz(JIS)
Rs Rsk Rku Rsm Rmr
Rpc, Rk, Rpk, Rvk, Mr1, Mr2
Standard
ISO, ANSI, DIN, JIS
Graph
Supporting curve, roughness
profile, direct contour
Filter
RC, PC-RC, Gauss, D-P
Sampling
length (lr)
0.25, 0.8, 2.5mm
Evaluation
length (ln)
Ln=lr×n
n=1~5
Measuring
Principle
displacement
differential inductor
Stylus
Natural diamond, 90 cone
angle, 5μm tip radius
Sensor
Dynamometer
<4mN
Guide head
Carbide, the sliding
direction radius 40mm
Sliding Speed
lr=0.25,
Vt=0.135mm/s
lr=0.8, Vt=0.5mm/s
lr=2.5, Vt=1mm/s
Return, Vt=1mm/s
Indicator Error
no more than ±10%
Indication
Fluctuation
no more than 6%
Power
Built-in lithium-ion rechargeable
battery, charged by
DC5V, 800mA charger
Dimension
158×63.5×46mm
Weight
About 300g
Operation Environment
Temperature: -20℃~40℃
Humidity: <90%RH
Storage and
transportation environment
Temperature: -40℃~60℃
Humidity: <90%RH
Standard Configuration
◎Roughness Tester DR300
◎Standard Sensor
◎Multi-groove standard specimen
◎Adjustable bracket
◎Power Adaptor
◎Instructions ◎Certificate
◎Warranty Card
◎Software
Warranty: for 12 months
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