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Product Details

Laboratory linear digital measuring device for Flatness measurement

1. High precision of measurement: Resolution is up to nanoscale based on the technology of laser interference; With high-precision environmental compensation modules, influences on measuring result which result from temperature, atmospheric pressure, relative humidity, material temperature and other environmental factors are eliminated; It can ensure long-term frequency stability of laser by using the laser thermal frequency stabilization control system; The design of separating interferoscope from host avoids heat distortion of interferoscope, which ensures the stability of interference optical path.

2. It can measure linearity, angle, straightness, perpendicularity and other geometrical parameters; It can test the linear positioning accuracy and repeated positioning accuracy of guide rails for CNC machine tools, coordinate measuring machines and other precision motion equipments; It can test the pitch angle, swing angle, perpendicularity and straightness of the guide rails, in addition it can calibrate axis of rotation of machine tools.

3. According to compensation settings by user, the system automatically generates error compensation table for calibration of machine tools.

4. With functions of Dynamic measurements (displacement-time curve, velocity-time curve, acceleration-time curve), amplitude measurement and frequency analysis, it can analyze vibration test of machine tool, dynamic characteristics of ball screw, response characteristics of drive system, dynamic characteristics of guide rail and so on.

5. Built-in domestic & international standards, such as GB, ISO, BS, ANSI, DIN, JIS and so on. The system analyzes and processes data according to relevant standard, finally generates test reports including corresponding carve charts and data.

6. Can automatically acquire the parameters of environment temperature, material temperature, environment humidity and atmospheric pressure. Can set environmental compensation of the wavelength by hand, or by system automatically.

7. With centralized database management for measuring records, the user can query and manage the measuring records according to object type, testing institution, manufacturing number, inspector, submitted institution, equipment number, inspection date and effective date; Can export the data to Word, Excel, AutoCAD (optional) files.

8. Easy to install: Basic weight 15kg, convenient and portable.

System parameters of linear digital measuring device:
1. Measuring method: single frequency
2. Laser frequency accuracy: 0.05ppm
3. Dynamic capture rate: 50kHz
4. Warm-up time: about 6 min
5. Operating temperature: (0-40)°C
6. Environment temperature: (0-40)°C, humidity: 0-95%
7. Storage temperature: -20°C-70°C
Environmental sensors:
1. Atmospheric temperature sensor : ±0.1°C (0-40)°C, resolution: 0.01°C
2. Material temperature sensor: ±0.1°C (0-40)°C, resolution: 0.01°C
3. Atmospheric humidity sensor: ±5% (0-95%)
4. Atmospheric pressure sensor: ±0.1kPa (65~115)kPa
Linear measurement:
1. Measuring range: (0-80)m
2. Measuring accuracy: 0.5ppm (0-40)°C
3. Measuring resolution: 1nm
4. Maximum measuring speed: 4m/s
Angle measurement:
1. Axial range: (0-15)m
2. Measuring range: ±10°
3. Measuring accuracy: ±(0.02%R+0.1+0.024M)″ (R is indicating value, unit: ″; M is measured length in m)
4. Measuring resolution: 0.1″
Flatness measurement:
1. Axial range: (0-15) m
2. Flatness measuring range: ±1.5 mm
3. Measuring accuracy: ±(0.2%R+0.02M²) μm (R is indicating value in μm; M is measured length in meters)
4. Substrate size: 180mm adjustable, 360mm adjustable
5. Measuring resolution: 0.1μm
Straightness measurement:
Item	Axis range	Measuring range	Accuracy	Resolution
Short straightness	(0.1-4)m	±3.0mm	±(0.5+0.25%R+0.15M²)μm	0.01μm
Long straightness	(1-20)m	±3.0mm	±(5.0+2.5%R+0.015M²)μm	0.1μm
Note: R is indicating value in μm; M is measured length in meters
Perpendicularity measurement:
Item	Axis range	Measuring range	Accuracy	Resolution
Short perpendicularity	(0.1-3)m	±3/M mm/m	±(2.5+0.25%R+0.8M)μm/m	0.01μm/m
Long perpendicularity	(1-15)m	±3/M mm/m	±(2.5+2.5%R+0.08M)μm/m	0.1μm/m
Note: R is test result of perpendicularity; M is measured length in meters
Rotary axis measurement:
1. Measuring range of angle: 0-360°
2. Max rotation speed: 10rpm
3. Pitch accuracy of precision turntable: ±1″
4. Resolution: 0.1″

Laser interferometer is a measuring method by applying light wavelength as criterion, which is recognized as a high precision, high sensitive measuring method and is widely used in high-end manufacturing domain.

SJ6000 laser interferometer measures various parameters accurately by using high-frequency Helium-Neon laser generator imported from USA, thermal frequency stabilization technology of laser dual-longitudinal mode, high-precision environmental compensation modules, high-precision laser interference signal processing system, high-performance computer control system, geometric parameters interference optical path design. It can output long-term stable and high-precision(0.05ppm) laser quickly(about 6 minutes) which is with strong anti-interference ability by the laser thermal frequency stabilization control technology. With the cooperation of different prism modules, it can measure linearity, angle, straightness, Flatness and perpendicularity, in addition it can analyze dynamic characteristics.

High-precision, high-speed measurement, high resolution under the highest speed and large measuring range are the main advantages of SJ6000 laser interferometer. It can measure straightness, perpendicularity, angle, flatness, parallelism and other geometric precision by combination with different prism modules. With the cooperation of the software, it can measure the dynamic characteristics of CNC machine tools, and analyze vibration test of machine tool, dynamic characteristics of ball screw, response characteristics of drive system, dynamic characteristics of guide rail with extreme precision and efficiency, which provides the basis for correction of machine tool errors.

1. SJ6000 host machine 1 pc

2. Environmental compensation modules 1 set

3. Prism modules

For linear measurement (standard) 1 set

For micro angle measurement(optional) 1 set

For straightness measurement (optional) 1 set

For perpendicularity measurement (optional ) 1 set

For flatness measurement (optional) 1 set

For axis of rotation measurement (optional) 1 set

4. Measuring Software 1 pc

5. Laptop computer 1 pc

6. Portable case 1 pc

7. Universal tripod 1 pc

8. Pan/tilt holder 1 pc

9. Magnetic bases for prism module 1 set

10. Instruction Manual 1 pc

11. Product certification and Warranty card 1 set

12. Free services and repairs 1 year

CHOTEST is not only a software company but also a national high-tech enterprise integrating research, development, production and sales, which is specialized in designing and producing precision measurement instruments, calibration instruments and linear digital measuring device.

The company has 2,000 square meters of modern office well equipped with advanced research facilities. In addition, it owns 5,000 square meters of precision machining and assembly factory. All products are manufactured in accordance with ISO9001 standard. The company is always living up to the motto that is providing our customers with top quality products.

At present, the company has dozens of self-developed products with new technology, widely used in government Metrology and Quality Inspection agencies, international military, automotive, aerospace, machinery, metallurgy, electric power, petrochemical and other industries. The company also has involved in developing a number of national standards and has made its due contribution for China's metrology and testing technology progress.

CHOTEST focuses on technology development of precision measurement equipments and sophisticated testing equipments. It constantly challenges to all kinds of technical barriers and technology monopoly. The goal of the company is to provide high-end measuring equipments to manufacturing industry in all over the world.

1. Are you factory?

Yes, we are specialized in designing and producing precision measurement instruments and calibration instruments.

2. How many years experience do you have?

We have 16 years experience on measurement instruments and calibration instruments since 2002.

3. What size of your factory?

We have 5000 square meters of factory and 2,000 square meters of modern office

4. Can you accept OEM and ODM?

No, we only sell the products under Chotest brand.

5. Can I become your distributor of Laboratory linear digital measuring device for Flatness measurement?

Yes, please contact our sales engineer.

6. What is the lead time?

Lead time is 30-60days in usual.