housing d600 1/2? sae thread repeatability 1 mm hysteresis 1 mm depending on liquid response time: rising liquid 50 s response time: falling liquid < 1 second supply voltage (vs) any (see below) supply current 10 ma operating temperature range -20c to +80c housing material polysulphone udel 1700 environmental ip 67 rated pressure range 7 bar american electronic components inc., 1101 lafayette street, elkhart, indiana. usa tel: +1-574-295-6330 fax: +1-574-293-8013 ? american electronic components inc 2008 specifications are subject to change without notice . e&oe. D500A4 021909 optical liquid level sensors D500A4sh typical installation: customer has to select suitab le resistors for their chosen supply voltage. for ward voltage of led is 1.3v and led current should be 10ma (depending on applicatio n liquid). therefore, for a supply of vs: = ? = ? = k ma v v r s led 1.1 1070 01 . 0 3.1 12 10 )3.1 ( this liquid presence sensor has been developed to ad dress the needs of high volume oem applications. the sensor contai ns an infra-red emitter and detector accurately positioned to ensur e good optical cou- pling between the two when the sensor is in air. when the sensors cone is immersed in liquid, the infra-red light esc apes from the cone causing a change in the amount of light at the dete ctor. this configuration allows the customer to tailor the sensor electronics (supply, protection etc.) to their unique applicati on. pre-selected r led and r pull-up value for different supply voltages vs r led r pull-up v output in air v output in water 3.3v 200r 2k < 0.75v > 2.5v 5v 360r 2k < 1v > 4.25v 8v 680r 2.5k < 1.5v > 7.25v 12v 1k 3k < 3v > 11.25v 15v 1.3k 3.5k < 3.25v > 14.25v 24v 2.2k 4k < 10.5v > 22.5v r led output vs? 0v led vs 0v phototransistor r pull-up
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