I really need some serious help. I read abt using pyrosensor as passive IR detector, used for switching applications. eg. motion detector
Now, I intend to use pyrosensor in sanitary products (urinal auto flushing system). Came across some serious doubts & need to clarify:
1) Being passive IR detector, how do I control the range or sensing distance? (abt 60cm) This must be adjustable to some extend for maintenance etc
2) Another worry is can pyrosensor still work when the IR emitting body is not moving? (I've read abt motion detector circuits used to activate fluorescent lightings. They generate a delay & off light when there is no motion. IS this due to electronic circuit design or can pyrosensor also detect stationary IR emitting objects?)
3) What is the price of a pyrosensor (approximately)? (small qty buy and qty of few K's?)
I seriously need to consider the above before embarking on some serious work!
Thanks in advance.