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Will a standard PIR work in an area lit by IR lighting?

Thursday, January 21st, 2010
Jack D asked:


I have an area that is switched using IR illumination for a camera of CCTV. If I install a PIR in this section but may trigger a collection of IR andalusia walking beyond human?

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Posted in Engineering | 2 Comments »

 

How to calculate lenght of gasket ?

Tuesday, January 12th, 2010
s_kaz asked:


I have to calculate the width of the board that is placed between the cylinder block and an assembly for a cover of the CCTV camera. the diameter of the cylinder is 88.90 mm y. The width of the block assembly is 40 mm I know there is a very easy answer to this but you can get around it thanks I feel that the length required must be equal to the length of mounting block

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Posted in Engineering | 1 Comment »

 

about CCTV system please help me?

Friday, October 23rd, 2009
all about nothing!!!! asked:


desigened a system for contronl two buildings qu? monkeys (field water) these two buildings far from each other and want to connect the c? maras site (CCTV system) in the far building to the main building (main control room ) without any wires qu? m? everything I used (the system of radio, microwave, GSM or any other m? all) (the distance butween the nearly 3 kil? meters)

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Posted in Engineering | 3 Comments »

 

Can some one help in calculating 230V cable selection for feeding power for CCTV cameras. ?

Friday, June 26th, 2009
Anup Chandran A asked:




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Posted in Engineering | 1 Comment »

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