High sensitive flat fresnel lens for PIR sensor 7704-3
Specification:
| Model |
7704-3 |
| Focus |
23mm |
| Angle |
110° |
| Distance |
12m |
| Diameter |
56.7mm×35.7mm
|
| Material |
HDPE |
| Application |
Led Lighting or secuirty items |
Features:
1.Designed for passive infrared sensor applications
2.Well suited for compact, low profile sensors
3.Can be used in applications involving security, lighting controls and environmental controls
4.Optimized for dual element pyroelectric devices
5.White light immunity to reduce false triggers
6.Uv resistant for outdoor applications
7.Designed for uniform sensitivity to reduce electronic gain
Functions:
The fresnel lens function has two:One, the focusing action, soon hotly releases the infrared signal refraction (reflection) on pir, the second function is divides into the search coverage in certain area pellucidae and the dark area, causes to enter the search coverage the motion object to be able to produce by the temperature change form on pir changes releases the infrared signal hotly.
Welcome to ask me for the update pir lens catalogue.
About Haiwang Sensor:
Shenzhen haiwang sensor co., ltd is in line of pir item for more than 10 years.Pir lens, pir sensor, pir ic and pir module can be offered.Free samples for testing is available for us.Also custom lens is ok for us.Just offer us the drawing.Philips is our current client for customed lens.
Packing and Delivery
1.We will use protective plastic and customized boxed to pack.(Enviroment friendly material)
2.We could do customized packing according to the quantity.
3.DHL/Fedex/UPS Express usually takes about 3-5 working days to the destination.And it's about 5-8 days by EMS or TNT. Hongkong Post Air Parcel takes 7 to 10 days to ship to worldwide.
After-sale Service
1.Our Customer service will begin to track the product processing every day until you receive the goods and verify the product quality when you finish the payment.
2.Online via SKYPE; Also through mail, voice phone, message could contact us at any time!
3.Follow up the case, record the entire process. Solution will be provide with 24 hours.
Meanwhile,the problem complaint will be reported to QC department.
QC will find defect from which department ,who is in charge to identify responsibility.
4.Collect and record all the voice from each customer respond , suggestion, requirement.
5.All products have 1 year warranty.If there is no man-made problem,we will replace or repair for your freely.
Payment
1.We can accept T/T and ali trade assurance and western union and paypal order,the best way is direct paypal payment,you can choose yourself.If you want other payment terms,please let us know before when you order.
2.Make sure that you have completed all the details information like contact person,address,post code and telephone number when filling in your buyer's information.
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