TT electronics OPTEK Technology - OPB725A-18Z Series reflective object sensor

The OPB725A-18Z can detect various objects at distances up to 24” or more from the sensor face with a high level of immunity to background lighting (10000 lux typical).
http://www.optekinc.com/datasheets/OPB725A-18Z.pdf


Sensor Products - Tactilus Sensor System for Test & Design

The new Tactilus heat-sink analysis system can precisely test the surface contact and pressure distribution between the heat sink and a semiconductor.
http://www.sensorprod.com/dynamic/heat_sink.php


OSRAM Opto Semiconductors SFH 5712 digital ambient light sensor

The SFH 5712 is a low-voltage digital ambient light sensor that detects ambient light with a relative sensitivity matching the human eye and delivers high speed data rates of up to 3.4 MHz.
http://www.osram-os.com/osram_os/EN/Products/Product_Promotions/Sensor_Family/Digital_Ambient_Light_Sensor_SFH_5712/Features/index.html


PIHER PSC-360 Non-contacting PSC-360 programmable Hall effect magnetic sensor

The PSC-360 sensor features a switch function not found in other 360º absolute position sensors that can be programmed at any angle as well as an indicator for multi-turn applications.
http://www.piher.net/sensors/index.php?page=shop.product_details&category_id=1&flypage=flypage.tpl&product_id=2&option=com_virtuemart&Itemid=31