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Key Benefits at a Glance
- Optimized for the detection of small parts
- High switching frequency
- Multiple device installation possible, no mutual interference (no cross-talk)
- Sensitivity adjuster and light-on/dark-on changeover switch as standard features of this series
- Infrared light
- Degree of protection IP67
- cULus approval
- Diecast zinc housing, powder coated
For labeling and packaging, 953151070 SR21-IR 2 MM HIGH-RESOLUTION FORK SENSORS
1. A high switching frequency of 25 kHz
2. Models with IR or red/green lights
3. Label detection (SR21-IR) or print register mark detection (SR21-RG) on transparent films
4. 4 wire output with NPN and PNP
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The space-saving single-cable approach greatly minimizes installation effort, and the servo motor EMMT-AS for demanding and dynamic applications has a very good controllability and route accuracy for positioning jobs.
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- Brushless, synchronous, permanent magnet motor.
- Either a single-turn or multiple-turn digital absolute linear potentiometer.
- High synchronization is supported even at low rotational speeds by an extremely low cogging torque.
- One connecting cable serves as the supply and encoder in simple connection technology (OCP: One Cable Plug).
- Angle-adjustable rotating plug (310°).
- offering a holding brake.
♦ A wide range of optic connections and functions.
♦ For all functions, long operating distances.
♦ Models with stable LEDs and trimmer adjustments.
♦ Plastic housing that is durable and impermeable.
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According to IEC 61496-1/2, IEC 61508-1/2/3, and ISO 13849-1, Type 4 light curtains from the EXTENDED SLIM line are TÜV, CE, and UL certified. With integrated EDM*, restart interlock, and beam coding, protective heights vary from 170 to 1,610 mm. Users can also save money by using EDM instead of wired relays because it has a relay monitoring feature. The connection is made using an integrated 5-pin or 8-pin M12 pigtail, and the compact housing (26 26 mm) permits blind-zone-free placement. A world first, this selection of light curtains can be electronically controlled and monitored using a Bluetooth® signal and a free smartphone app.
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Retroreflective sensor with 0.2 m fixed cab
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- Reliable sensor for standard applications.
- Miniature design with versatile mounting options.
- Reliable recognition of reflective objects and clear glass.
- Two machines in one: clear object detection or reflection operating mode with long range.
- TEACH-IN switch for setting the contrast detection levels.
- Automatic adjustment in case of soiling in contrast detection mode.
- Certified by ECOLAB.

Voltec Engineering Limited
Automation and control products are the focus of VOLTEC ENGINEERING LIMITED. In the area of comprehensive industry solutions for alteration, upgrading, and new construction projects, VOLTEC ENGINEERING LIMITED is a one-stop solution provider.
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