Order Information Example: OPT-PC-AR-1 Housing Material PC= Polycarbonate (Standard) PS= Polysulfone A2= 304 Grade Stainless Steel A4= 316 Grade Stainless Steel The full range of Comus products are available to view at any of the websites or contact your nearest sales office, a ful list of our distributors can be found on the websites Please scan this quick response code with your QR enabled smartphone Connection Thread AR= G 3/8” (BSP) AU= 3/8 NPT (SS304 & SS316 only) M2= M12 x 1.0 (Polycarbonate & Polysulfone only) Output 1= PNP NC 2= PNP NO 3= NPN NC 4= NPN NO The Comus International group of companies consists of: Comus International 454 Allwood Road Clifton New Jersey 07012 U.S.A Tel: (1)973 - 777 - 6900 Fax:(1)973 - 777 - 8405 email: [email protected] Website: http://www.comus-intl.com ISO 9001:2008 CERTIFICATE NO: 03-12314 Comus Technologies BV Jan Campertstraat 11 6416 SG Heerlen, The Netherlands Tel: +31 (0) 45 5439345 Fax: +31 (0) 45 5427216 email: [email protected] (USA, Canada) [email protected] (Europe, Asia) Assemtech Europe Limited Unit 7, Rice Bridge Industrial Estate Thorpe-le-Soken Essex England CO16 0HL Tel: +44 (0)1255 862236 Fax:+44 (0)1255 862014 email: [email protected] Website: http://www.assemtech.co.uk Comus Belgium BVBA Overhaamlaan 40 B-3700 Tongeren Belgium Switching Technologies Gunther B-9,B-10, & C-1 Special Economic Zone (MEPZ) Kadapperi Tambaram Chennai 600 045 India Comus Electronics and Technologies India Private Limited No 3. Kamaraj Nagar 2nd Street Tambaram Sanatorium Chennai 600045 India Tel: +91 44 43219090 Fax: +91 44 22628198 email: [email protected] [email protected] Website:http://www.comusindia.com We also have a large network of worldwide agents. These can be found on any of our websites, or on our company profile brochure Com/18/jan11/Iss1/ML

Operational principle An optical level switch works by emitting a beam of infrared light within a prism and measuring the amount of light received. When the measured fluid reaches the sensor the amount of emitted light received drops thus triggering the contacts. As the sensor is detecting the state between material covering or not covering the prism it can be used to detect the presence or absence of fluid thus preventing damage to pumps. The compact unit houses the infrared transmitter, the prism, the receiver and the electronics, there is also an external LED indicator to show the condition...