Lighting | Imaging | Telecom p Pyroelectric Infrared Detectors Ceiling Application Detector LHi 1128 Single FET Output Designed for Ceiling Mount Applications The LHi 1128 pyroelectric infrared detector is a special design for motion control in ceiling mount applications. It includes a Quad type pyroelectric ceramic with 4 sensitive elements connected to one FET in source follower connection.Thus it offers a single channel output . The LHi 1128 detector is available in TO-5 housing with infrared filter. It offers excellent common mode performance (match) and low noise. LHi 1128 Parameters min Element size R esponsivity 6 000 Right for modification reserved / WS /, 29.6.2001 mm2 (4 elements) 8 000 V /W 100°C, 1 Hz Noise 40 100 µV pp 25°C , 0,3...10Hz 1,55 V RS =47kW , 25°C W Ö Hz 1Hz Bw, 100°C, 1 Hz 0,2 5x10 7 7,5x10 -10 19x10 7 5 2 Operating Voltage Field of View, horizontal vertical 28x10 -10 cm Ö Hz/W 1Hz Bw, 100°C, 1 Hz 10 kW RS =47kW , 25°C 15 V RS =47kW , 25°C 156° unobstructed 144° unobstructed -40 85 °C non permanent S torage Temperature -40 85 °C non permanent Operating Temp. 100 R [kV/W] 10 1 10 f [Hz] Frequency Response Europe: PerkinElmer Optoelectronics GmbH Wenzel Jaksch Str 31 Wiesbaden / Germany Phone +49(0)611 492 0 Fax +49(0)611 492 170 1x1 % Output Impedance 1 condition 10 D* 0,1 units 1 NEP 0,1 0,01 ma x Match Offset Voltage Field of View typical Dimensions in mm USA: PerkinElmer Optoelectronics 2175 Mission Colledge Blvd Santa Clara, CA 95054 Phone +408 565 0830 Fax +408 565 0703 Asia: PerkinElmer Optoelectronics 47, Ayer Rajah Crescent #06-12 Singapore 139947 Phone +65 775 2022 Fax +65 775 1008 www.perkinelmer.com/opto D A T A S H E E T Four Element Detector