Shiva electronics manufactures a photo-sensor with built-in on/off delay. Features of the photo-sensor: this photo sensor does not need a separate timer. This sensor provides three trim pots at the backside: one for on delay, second for off delay and third for sensitivity adjustment. One can get the on and off delay from 0 to 30 second each and adjustable sensing distance up to 1 metre. Technical specifications: the sensor works on 10 to 24 v dc supply voltage. The outputs are with driving capacity of 500 ma each and with short circuit, overload and inductive load protection. The supply voltage is 10 to 30 v dc with reverse polarity protection. All four options no, nc, npn and pnp are available and user selectable. Fixed output also is available with even lower cost. These cost effective and economical sensors have features comparable with the imported sensors. Diffuse scan for 200 mm sensing range is available with sensitivity adjustment from 10 mm to 200 mm. These powerful sensors are micro-controller based and can detect high-speed objects very reliably. Applications of the photo-sensors are in machine tools, spms paper industries, pharmaceuticals, textile, cement, auto, food and packaging and other industries.
