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| Lighting | Imaging | Telecom Pyroelectric Infrared Detectors Twin Element Detector LHi 1448 Four elements in two pairs Two outputs, equal polarity Designed for PIR alarms The LHi 1448 pyroelectric infrared detector is designed for high end PIR alarm applications. It includes a twin type pyro-electric ceramic with 4 sensitive elements connected to two FET source follower circuits.Thus it provides for dual channel output . Both channels are of the same polarity. The LHi 1448 detector is available in TO-5 housing with standard infrared filter. It offers excellent common mode performance (match) and low noise. Parameters min Element size R esponsivity Match Noise 4200 LHi 1448 p DATASHEET typical 0,953 6500 1 30 ma x units mm2 V /W condition (4 elements) 100C, 1 Hz 15 75 % V pp 25C , 0,3...10Hz Offset Voltage Right for modification reserved / WS /, 29.6.2001 0,2 1,55 8,6x10-10 28x10-10 V W O Hz RS =47kW , 25C 1Hz Bw, 100C, 1 Hz NEP D* Output Impedance Operating Voltage Field of View, horizontal vertical Operating Temp. Field of View 3,5x10 7 11x10 5 7 cm O Hz/W 1Hz Bw, 100C, 1 Hz 10 15 kW V RS =47kW , 25C RS =47kW , 25C unobstructed unobstructed 85 75 C C non permanent non permanent 2 103 96 -40 -40 S torage Temperature 100 10 R [kV/W] 1 0,1 0,01 0,1 f [H z] 1 10 Frequency Response Europe: PerkinElmer Optoelectronics GmbH Wenzel Jaksch Str 31 Wiesbaden / Germany Phone +49(0)611 492 0 Fax +49(0)611 492 170 USA: PerkinElmer Optoelectronics 2175 Mission Colledge Blvd Santa Clara, CA 95054 Phone +408 565 0830 Fax +408 565 0703 Dimensions in mm Asia: PerkinElmer Optoelectronics 47, Ayer Rajah Crescent #06-12 Singapore 139947 Phone +65 775 2022 Fax +65 775 1008 www.perkinelmer.com/opto |
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