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SRT 300 Surface Roughness Tester

SRT 300 Surface Roughness Tester

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portable surface roughness tester—SRT 300 Surface Roughness Tester

SRT 300 Surface Roughness Tester 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.

Feature:

1.Sensor and main unit are separated, to meet different demands of test
2.Use DSP chip to control and process data, with high speed and low power consumption
3.Compatible with ISO, DIN, ANSI, JIS multiple national standards
4.Continuous working time more than 20 hours
5.Large-capacity data storage, can store 100 groups of raw data and waveform.
6.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.
7.Real-time clock setting and display for easy data recording and storage.
8.With automatic sleep, automatic shutdown and other power-saving features
9.Reliable circuit and software design to prevent the motor stuck.
10.Instrument can display a variety of information tips and instructions. For example Measurement result display, the menu prompts, error messages,and switches.
11.Chinese / English language selection.
12.Can connect to the computers
13.Print all the parameters or any parameter set by the user.
14.Optional curved surface sensor, holes sensors, measuring platform,sheath of sensor, extension rod and other accessories.
portable surface roughness tester

Technical Specification:

Name
Content
Measuring Range
Z-axis (vertical)
160μm
Z-axis (vertical)
17.5mm
Resolution

Z-axis (vertical)

0.01μm/±20μm

0.02μm/±40μm
0.04μm/±80μm
Measuring
Item
Parameters
Ra Rz==Ry(JIS)

Rq Rt==Rmax
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
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
Sensor
Measuring Principle
displacement differential inductor
Stylus
Natural diamond, 90 cone angle, 5μm tip radius
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 SRT 300

◎Standard Sensor

◎Multi-groove standard specimen

◎Adjustable bracket

◎Power Adaptor

◎Instructions

◎Certificate

◎Warranty Card

◎Software

Warranty: for 12 months

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%

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