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VFT1

Product catalog summary

Overview
The VFT1 is a Time-of-Flight (ToF) diffuse reflective photoelectric barrier designed for challenging environments, particularly in the steel industry. It offers detection capabilities without the need for a reflector, making it suitable for detecting both hot and cold objects up to 10 meters away.

Operating Principle
The VFT1 utilizes LED-based ToF technology, allowing it to detect objects with low reflectivity and high temperatures. It can measure target positions and eliminate background interference, providing reliable performance in harsh conditions.

Features and Benefits

Detection range: 0.8 to 10 meters on grey surfaces, 8 meters on black surfaces.
Target temperature range: Cold to 1250°C (2280°F).
Response time varies from 2 ms to 14 ms depending on surface and distance.
Multiple output options: static or relay, with an alarm output.
Easy setup with adjustable detection range and sensitivity.
Includes a visible laser pointer for alignment.
Optional water cooling and heat shield for high-temperature environments.

Technical Specifications

Detection resolution: 100 to 300 mm for standard targets, 250 to 450 mm for difficult targets.
LED emitter: IR 850 nm, non-visible beam.
Operating voltage: 115/230 VAC or 24 VDC.
Protection rating: IP 66 with cast aluminum case.
Operating temperature: -20°C to 60°C without cooling, up to 120°C with water cooling.

Applications
The VFT1 is ideal for detecting hot or cold billets and coils, especially in environments where placing a reflector is not feasible.

Dimensions and Installation

Includes air and water supply connections, cable glands, and mounting options.
Minimum aperture requirements for sensor-target setups.

Ordering Information
Various configurations are available based on mounting, connection, output, supply voltage, and cable length. Accessories such as heat shields are available for specific models.

Catalog excerpts

Diffuse Reflective Photoelectric Barrier Time of Flight Barrier Detection up to 10 m, on cold or hot objects Without Reflector Easy setup and installation Design for steel industry conditions E 1416 DELTA - Aéroparc 2 - 12 rue des Cigognes - 67960 ENTZHEIM - FRANCE - TEL : +33 388 78 21 01 - [email protected] - www.deltasensor.eu

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D i ffuse R e fl ec tive Barr ier VFT1 Operating principle The VFT1 is a LED based Time-of-Flight detector. With this technology DELTA introduces an innovative solution for the detection of product in the difficult environment of the steel industry. It works on very dark low reflecting targets, as well as high temperature targets, and has an extended operating temperature range compared to laser technology. Thanks to the Time-of-Flight technology the sensor is able to measure the position of the target, and can eliminate any background object. Detection range: from 0.8 m, up to 10 m on grey surface...

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Technical Specifications D i ffuse R e fl ec tive Barr ier VFT1 Detection resolution d2-d1 (mm) Difficult target (black, high T°) Standard target d1 (mm) Minimum distance between target and background. Technical characteristics Model Detection range Response Time (1) Detection resolution (minimum d2-d1) Maximum target temperature LED emitter Laser pointer (IEC 60825-1) Product Presence (P.P.) Alarm output Display and setting Operating voltage / Power consumption Cable (model VFT1-•C) Weight Protection rating Air Purging Operating temperature 0.8 to 10 m 0.8 to 8 m on black surface ( 6% remission)...

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Technical Characteristics D i ffuse R e fl ec tive Barr ier VFT1 Air supply Ø10  2 cable glands (cable Ø from 7 to 10.5 mm) Water supplies Ø10  Optical axis Connector clearance 120 mm  Distance Reference Mounting with screw Ø10  Receiver Ø30 mm  Emitter LED Ø30 mm  Laser Pointer Ø6 mm Note: if there is guide or plate between sensor and target, minimum aperture 100 x 70 mm or minimum diameter 100 mm. Reference for order Case Terminal Block Mounting stand & Cooling jacket Supply Voltage 12/20 – Printed in France 2020 © DELTA SAS 2020 • Heat shield to protect from direct radiation, only for...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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