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Unimetro Precision Machinery Co., Ltd

  • China,Dongguan ,Guangdong
  • Verified Supplier
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China Grating Ruler Reading Head with 20nm Effective Resolution / High-Precision
China Grating Ruler Reading Head with 20nm Effective Resolution / High-Precision

  1. China Grating Ruler Reading Head with 20nm Effective Resolution / High-Precision
  2. China Grating Ruler Reading Head with 20nm Effective Resolution / High-Precision
  3. China Grating Ruler Reading Head with 20nm Effective Resolution / High-Precision
  4. China Grating Ruler Reading Head with 20nm Effective Resolution / High-Precision
  5. China Grating Ruler Reading Head with 20nm Effective Resolution / High-Precision

Grating Ruler Reading Head with 20nm Effective Resolution / High-Precision

  1. MOQ: 1
  2. Price: Discussible
  3. Get Latest Price
Packaging Details box
Size L36mm*W16.4mm*H14.3mm
Pitch 20um
Weight Reading head:15g,Cable:35g/m
Signal Differential TTL or SinCos 1Vpp
Accuracy +-5um
Resolution Differential TTL 5um,1um,0.5um,0.2um,100nm,50nm,20nm
Electron subdivision error <40nm
maximum speed 12m/s(It is related to the resolution and the minimum clock frequency of the counter)
maximum acceleration 35G
Refer to the unidirectional repeating precision at the origin 1LSB
Brand Name UNIMETRO
Model Number RU2
Place of Origin Dongguan

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  1. Product Details
  2. Company Details

Product Specification

Packaging Details box Size L36mm*W16.4mm*H14.3mm
Pitch 20um Weight Reading head:15g,Cable:35g/m
Signal Differential TTL or SinCos 1Vpp Accuracy +-5um
Resolution Differential TTL 5um,1um,0.5um,0.2um,100nm,50nm,20nm Electron subdivision error <40nm
maximum speed 12m/s(It is related to the resolution and the minimum clock frequency of the counter) maximum acceleration 35G
Refer to the unidirectional repeating precision at the origin 1LSB Brand Name UNIMETRO
Model Number RU2 Place of Origin Dongguan
High Light linear digital scaleoptical linear encoder
RU2 Series Grating Ruler Reading Head
High-precision grating ruler reading head designed to provide feedback for linear measurement with 20nm effective resolution. Utilizes advanced single field scanning technology with automatic gain and deviation correction for superior performance in high-precision applications.
RU2 Series Grating Ruler Reading Head
Advanced Scanning Technology
Single Field Scanning with High Pollution Resistance
The RU2 reading head employs LAMOTION's advanced large area single field scanning technology. Parallel beam illumination and single field scanning sensor provide exceptional performance even in contaminated environments.
Pollution Resistance
When using RUS stainless steel grid ruler, the RU2 reading head maintains measurement accuracy within tens of nanometers even when contaminated by dust, ink, and scratches.
Technical Specifications
Physical Dimensions
L: 36mm × W: 16.4mm × H: 14.3mm
Weight: Reading Head: 15g, Cable: 35g/m
Performance
Resolution: 20nm (SinCos 1Vpp)
Accuracy: ±5μm (RUS Grating ruler)
Maximum Speed: 12m/s
Electrical
Power: 5V±10% 150mA
Connector: D-sub 15 Pin Male
Output: Differential TTL or SinCos 1Vpp
Environmental Requirements
ParameterSpecification
Working Temperature-10℃ ~ +70℃
Working HumidityRH < 95% (Non condensation)
SealingIP40
Storage Temperature-20℃ ~ +85℃
Storage HumidityRH < 95% (Non condensation)
Key Features
  • Maximum resolution of 50nm with strong anti-pollution capability
  • Large area single field scanning technology scanning over 100 grid lines simultaneously
  • High bandwidth with low subdivision error through built-in high-speed ADC
  • Advanced automatic gain control and automatic deviation correction
  • Multicolor indicator for signal strength and installation status
  • Built-in REF origin and limit signals
  • SinCos 1Vpp and Differential TTL signal interfaces
Signal Parameters
Differential TTL Output
ParameterSpecification
Signal Location2 differential signals A and B
Reference Origin1 differential signal Z
Signal LevelRS-422 (TIA/EIA-422-B)
Output High Level≥ 2.4V @ 20mA output current
Output Low Level≤ 0.4V @ 20mA output current
SinCos 1Vpp Output
ParameterSpecification
Signal LocationSin signal and Cos signal
Reference Origin1 differential signal REF
Signal Level0.6V~1.2V (Typical 1Vpp)
Phase Angle90°±1° Electron angle
Speed vs Resolution
Output ResolutionCounter Min Clock FrequencyMaximum Speed
1μm10M12m/s
0.5μm12M10m/s
0.2μm12M4m/s
0.1μm8M2m/s
50nm4M1m/s
Connection Interface
Pin NumberFunctionPin NumberFunction
PIN 1Differential TTL A+ / SinCos 1Vpp Sin+PIN 9Differential TTL A- / SinCos 1Vpp Sin-
PIN 2Differential TTL B+ / SinCos 1Vpp Cos+PIN 10Differential TTL B- / SinCos 1Vpp Cos-
PIN 3Differential TTL Z+ / SinCos 1Vpp Ref+PIN 11Differential TTL Z- / SinCos 1Vpp Ref-
PIN 5Reader readyPIN 14+5V
PIN 6LimitPIN 150V
PIN 7+5VPIN 80V, Inner shielding
System Indicators
Multicolor indicator light provides real-time status of signal, origin, and limit conditions for easy installation and adjustment.
Indicator Meanings
IndicatorMeaning
Red lights on for 0.5 secondsOrigin position detected
Red light flashes twiceOrigin phase error or speed too fast

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2007

  • Total Annual:

    5000000-6000000

  • Employee Number:

    80~90

  • Ecer Certification:

    Verified Supplier

Since established in 2007, UNIMETRO has been focusing on the research and development and manufacturing of coordinate measurement technology. We have obtained 15 core patent technologies and won the title of national high-tech enterprise. At the same time, UNIMETRO has been in the leading level in... Since established in 2007, UNIMETRO has been focusing on the research and development and manufacturing of coordinate measurement technology. We have obtained 15 core patent technologies and won the title of national high-tech enterprise. At the same time, UNIMETRO has been in the leading level in...

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Get in touch with us

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  • Unimetro Precision Machinery Co., Ltd
  • NO.4 Gangtou Hengcheng Road, Xin'an community, Chang'an Town, Dongguan City, China
  • https://www.visionmeasurementmachine.com/

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