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The digital magnetic scale ® consits of a band-shaped magnetic and a reading head with the from Sony® developed MR-Element, which even by little changes of the magnetic flux a stron and stable output signal is generated. The output signal of the reading head, is electronicay divided and converted into a digital signal. This has a much higher resolution as the pole divider of the magnetised, magnetic alternating field and therefore it can be used to measure and control.
Brandname change from „Sony“ to „Magnescale“
After the 1st of April 2010, the logo on the products, manuals and packages for Digital Magnetic Scale from Sony will be replaced to the brandname “Magnescale“. There will be no changes in performance, specifications and quality of the products. In the transfer phase of 2010, it might be possible that the customers receive products with the name Sony and Magnescale.
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| Product |
SJ-300 |
SJ-700A |
GB-ER |
| Range |
50-2200mm |
150-16000mm |
50-2200mm |
| Accuracy |
± 10µm |
± 10µm |
± 5µm |
| Resolution |
1µm |
± 5µm |
0,5µm |
| Protection |
64 |
54 |
54 |
| Hight |
93mm |
53,6mm |
42mm |
| Output |
A/B visual |
A/B visual |
A/B/Z visual |
| Datasheet |
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| Product |
SR-33/34 |
SL-110/130 |
Display |
| Range |
70-2040mm |
100-300000mm |
1-3 axes |
| Accuracy |
± 3µm |
from ± 25µm |
seven digits |
| Resolution |
0,05µm |
10µm |
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| Protection |
54 |
65 |
standard |
| Height |
57,9 |
39mm |
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| Output |
digital/visual |
digital/visual |
visual |
| Datasheet |
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Applications | Specials |  precision machine tools
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CNC/NC-lathe and milling machine |
wood working machines |
laser cutting machines |
position control for lay-out machines |
speed control for linear motors and cylinders |
testing instruments |
injection molding machines |
| range 200...> 30000 mm |
resolution 0,005 mm |
accuracy up to 0,005 mm |
high precision magnetic principle |
output: TTL-signal |
high travel speed of 10 m/s |
resistent against dust and oil |
high reliability |
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Exchange and activation for milling/turning/grinding and testing machines with digital display and gauges.
Reliable measurement systems - higher quality and more profit....
Sony® magnetic scales fulfil the highest expectations for precision and reliability. The MagnescaleTM principle ensures the system’s resistance against typical workshop conditions, external magnetic fields and vibration, resulting in the Sony scales being ideal for conventional metal cutting machine tools like lathes, mills and grinding machines …
Years of experience demonstrates that the high manufacturing quality of Sony® scales and displays increases the quality of your production output and the productivity of your machine tools. Thereby a fast return on investment is guaranteed so maximising your profit!
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The new multifunction LH70 series has been particularly designed and developed for cost-efficient retrofitting of manual machine tools. The LH70 display combines popular, easy to use functions for both Mills and milling machine – console F lathes – console D Lathes in one unit and can therefore be used on all machine applications. The new display LG20 provides simple reset/preset“ functions.
Tecnical Data Display axes | 1, 2 or 3 axes | Display resolution | 0,1/0,5/1/5/10µm (LG20), 0,1-10µm 1s/10s/1min/10min(LH70/LH71) | Input signal | TTL-Line driver RS422 | Kompatible | SJ300, GB-ER, SJ700A und PL20C | measuring systems |
Power supply DC12V using separate power supply unit PSC23 with
100 - 240V
Weight 1,5 KG
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Functions at a glance Modelle | LH70 | LH71 | LG20 | Reset | x | x | x | Preset | x | x | x | Absolute/incremental | x | x | | Diameter display | x | x | x | Angle display | x | x | | Alarm display | x | x | x | Zero point detection | x | x | | Date points | 10 | 150 | | Tool memory | 12 | 99 | | Midpoint calculation | x | x | | Scaling | | x | | Addition function* | x | x | | Programming function | | x | | Bolt hole circle | x | x | | Line hole | | x | | Simple R cutting | x | x | | Linear error compensation | x | x | x | Segment error compensation | | x | | Data storage | x | x | x | Energy saving function | x | x | x | Navigation function | x | x | |
*only 3 axis display
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GB-ER series, 0,5 µm resolution reference point
Renowned for its precision and robustness thanks to the Sony Magnescale™ Technology. It’s the compact series for retrofitting to high precision machine tools, perfect for lathes and grinding machines.
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SJ300 series, 1 μm resolution
Scales for cost-efficient retrofitting with the proven Magnescale™ principle. It features a unique flexible head and new scale fixing system making it extremely easy to install without any need for additional mounting spar and therefore very cost effective. Ideal for retrofitting of milling machines.
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SJ700A series, 5 μm resolution
Tough standard scale for retrofitting of machine tools. The Magnescale™ rinciple and the high quality guarantee a long product life.
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SL110 series, 10 μm resolution
The Digiruler™ series is extremely tough and resistant against workshop conditions. Reading head and scale work, using the tried and tested Magnescale™ principle, absolutely contactless and therefore very reliably.
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SL130 series, 10 μm resolution
The Digiruler™ SL130 is a flexible steel band, simply mounted onto the machine with adhesive tape. Based on Sony’s well known Magnescale™ Technology it is available in measuring lengths up to 30 m and can therefore be easily and cost effectively retrofitted to large lathes and sawing machines.
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