Sensors & Transducers


Sensors with contamination immunity

August 2001 Sensors & Transducers

Being familiar with the conventional drawbacks of photo-electric systems, Telco has created a concept to include the following key features:

* Small physical outline.

* Immunity to contamination.

* Insensitive to impact and vibration.

* Easy alignment.

* Wire range of applications.

The transmitter and the receiver may be placed facing each other to form a through-beam system or in parallel to form a reflex or a proximity system.

Due to the small physical outline (10 x 30 mm diameter), the sensors can be mounted in places previously inaccessible.

With IP67 class sealing, the sensors can be applied to processing systems subject to high levels of humidity. Applications in the transportation industry, in filling and packing machines, sorting and measuring set-ups', wood, plastics and metal processing lines are all accessible using Telco sensors.

The high level of emitted light prevents these sensors from being influenced by even high levels of dust and dirt present in many industrial environments. In through-beam mode the range of operation is up to 3 m.

Telco PA systems consist of a photo-amplifier and a remote set of a transmitter and a receiver. From the extensive range it is easy to identify the best suited combination for every application.

The power line can be 230-240 V a.c., 115 V a.c., 10-30 V a.c./d.c. supplied from a standard 11-pin socket. Connection of remote sensors is established by two-wire cables of any length up to 50 m.

Telco offers just-in-time deliveries worldwide, with service before, during and after sales by professional teams of application consultants.

Telco Gail Norton Instrumentation

(031) 701 4861

[email protected]



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