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aHR0cDovL2ZyZWVzaGlwLmNvLmty Item specifics - is_customized: Yes
- Type: Vibration Sensor
- Material: Polymer
- Usage: Temperature Sensor
- Output: Analog Sensor
- Model Number: 7709-7
Packaging Details - Unit Type: lot (10 pieces/lot)
- Package Weight: 0.150kg (0.33lb.)
- Package Size: 15cm x 8cm x 3cm (5.91in x 3.15in x 1.18in)
Packaging Details - Unit Type: lot (10 pieces/lot)
- Package Weight: 0.150kg (0.33lb.)
- Package Size: 15cm x 8cm x 3cm (5.91in x 3.15in x 1.18in)
Color Category: White Black Model: 7709-7 Focal Length: 9.5 Angle: 90 ° Detection range: 8m Size: 18mm Because the sensor type more Not all Upload in stores not see You can also consult us Fresnel lens, also name Threaded lens,many is by high density Polyolefin material Injection pressure From of thin Sheet. lens surface one side for Smooth, another one side engraved record by Small to large of Concentric circles,it of Reason is according to Light interference as well as relatively Sensitivity and receive angle Come design of. lens of Claim very high. One high quality of lens have to surface Smooth, Grain Clear, its thickness Follow use And change,many in 1mm about, characteristic for surface product Big, thickness thin and Detection distance far. Fresnel lens in a lot of time quite in infrared and can See the light of Convex lens,effect better, but cost ratio ordinary of Convex lens Much lower. many use in Such as Slide projector, Film magnifying glass, Infrared Detectors Wait. Features: Fresnel lens use lens of special Optics principle,in detector Front produce one alternately Variety of "Blind spot " and "Sensitive area". With improve it of Probe receive Sensitivity. when Have people From Lens ago When passed,human body issue of infrared on Constantly of alternately From "Blind spot" enter "Sensitive area"such on received of Infrared signals With Suddenly strong suddenly weak of pulse form enter,thereby Strong its energy Amplitude. Fresnel lens effect Have Two: First focusing action,which is will Pyroelectric infrared signal Refraction (reflection) In PIR on,the second effect is will Detection area Divided Several Light zone and Dark areas, Make enter Detection area of mobile object can With temperature Variety of form,in PIR on produce Variety Pyroelectric infrared signal. WARRANTY: - ITEM comes with 90 days warranty;
- Verify model compatibility prior to bidding;
- If the product received is not as DESCRIBED, a replacement will be issued;
FEEBACK: - We WARMLY appreciate your positive feedback and our system will leave positive feedback for you after complete transaction.
- We value our customers so that if you have a problem ,PLEASE FEEL FREE and DON\'T HESITATE TO GIVE US A RING OR CONTACT US BY EMAIL IMMEDIATEDLY, we are always there to offer help.
SHIPPING&HANDLING : Most items are shipped by postal airmail service within the next 24 hours after received payment. When you buy multiple items that close on the same day, your shipping cost will be combined with discount. We ship worldwide. FAQ\'S: How do I get an invoice with combined shipping for multiple items? You can use the Ebay checkout for each item, bid or use Buy It Now. When all of the items you are bidding on have ended, e-mail us and we will send you a combined invoice. - Do you charge any additional tax? No additional taxes or fees are charged for international buyers. - Do you offer express shipping? NO, we only offer Airpost Service [ same as the USPS ] Shipping method. - Duty and brokerage charges? We are not responsible for any duty, tax or brokerage charged by your country. - My package has still not arrived ? Make sure you have read the shipping details to determine expected delivery time frame. If your item has still not arrived within this time, then email us. Delivery estimates are in business days and do not include weekends and holidays. - My item was damaged in shipping? Our parts are carefully packaged to prevent damage in shipping. However, we are responsible for any damage
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