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{"title":"Grating Ruler Reading Head with 20nm Effective Resolution \/ High-Precision","imgUrl":"https:\/\/img.chinax.com\/nimg\/05\/8d\/f6085c08f4b5f0750af5870e1d14-200x200-1\/grating_ruler_reading_head_with_20nm_effective_resolution_2f_high_precision.jpg","attrs":{"Brand Name":"UNIMETRO","Model Number":"RU2","Place of Origin":"Dongguan","Minimum Order Quantity":"1"}}
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{"title":"Reflecting Optical Linear Glass Scale \/ Encoder For Non Contact Reference Signal","imgUrl":"https:\/\/img.chinax.com\/nimg\/16\/f0\/73563aa0a9988b92ddbd9031a45d-200x200-1\/reflecting_optical_linear_glass_scale_2f_encoder_for_non_contact_reference_signal.jpg","attrs":{"Brand Name":"UNIMETRO","Model Number":"UGPS40R","Place of Origin":"China","Minimum Order Quantity":"1"}}
{"title":"Optical Linear Scale with 0.0001mm Precision \/ TTL and 422 Signal Output for VMM","imgUrl":"https:\/\/img.chinax.com\/nimg\/d3\/37\/bc671773798335480e5e4a9a0044-200x200-1\/optical_linear_scale_with_0_0001mm_precision_2f_ttl_and_422_signal_output_for_vmm_2c_lathe_2c_and_edm.jpg","attrs":{"Brand Name":"UNIMETRO","Model Number":"UJC","Place of Origin":"China","Minimum Order Quantity":"1"}}
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.
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
Parameter
Specification
Working Temperature
-10℃ ~ +70℃
Working Humidity
RH < 95% (Non condensation)
Sealing
IP40
Storage Temperature
-20℃ ~ +85℃
Storage Humidity
RH < 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
Parameter
Specification
Signal Location
2 differential signals A and B
Reference Origin
1 differential signal Z
Signal Level
RS-422 (TIA/EIA-422-B)
Output High Level
≥ 2.4V @ 20mA output current
Output Low Level
≤ 0.4V @ 20mA output current
SinCos 1Vpp Output
Parameter
Specification
Signal Location
Sin signal and Cos signal
Reference Origin
1 differential signal REF
Signal Level
0.6V~1.2V (Typical 1Vpp)
Phase Angle
90°±1° Electron angle
Speed vs Resolution
Output Resolution
Counter Min Clock Frequency
Maximum Speed
1μm
10M
12m/s
0.5μm
12M
10m/s
0.2μm
12M
4m/s
0.1μm
8M
2m/s
50nm
4M
1m/s
Connection Interface
Pin Number
Function
Pin Number
Function
PIN 1
Differential TTL A+ / SinCos 1Vpp Sin+
PIN 9
Differential TTL A- / SinCos 1Vpp Sin-
PIN 2
Differential TTL B+ / SinCos 1Vpp Cos+
PIN 10
Differential TTL B- / SinCos 1Vpp Cos-
PIN 3
Differential TTL Z+ / SinCos 1Vpp Ref+
PIN 11
Differential TTL Z- / SinCos 1Vpp Ref-
PIN 5
Reader ready
PIN 14
+5V
PIN 6
Limit
PIN 15
0V
PIN 7
+5V
PIN 8
0V, Inner shielding
System Indicators
Multicolor indicator light provides real-time status of signal, origin, and limit conditions for easy installation and adjustment.
Indicator Meanings
Indicator
Meaning
Red lights on for 0.5 seconds
Origin position detected
Red light flashes twice
Origin 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...