Blogs/News/PSAs

Overview

The fresnel lens is a optical element, one side is smooth, another side is by a ring a part of concentric garden composition. Fresnel lens arrays designed for Passive Infrared Sensor. The optical surface increases lens sensitivity for PIR sensor application. All the PIR sensor must work with the Fresnel Lens.

The Fresnel plastic lens, simply say to be in the lens side have equi-distant tooth tattoo. Through these tooth tattoo, can achieve to specified spectrum light band tong (reflecting or refraction) role. The traditional grinding optical equipment band-pass optical filters are expensive. The Fresnel lens can greatly reduce costs. A typical example is PIR (passive infrared detector). PIR used widely in alarm.

Advantages

Easy to install

High quanlity

Factory price

Specification

Model Number: S9008

Overall size:22.8mm

Focal length: 15.5mm

Detectable distance: 8m

Viewing angle: 120°

Color: Transparent

Material: HDPE

FAQ

1.What is the payment term?

TT 100% in advance.

2.What is the package.

Plastic bag.

Senba Sensing Technology Co.,Ltd., was founded in 2005, with the focus on producing the top quality infrared photoresistor. If you want to know more details, just feel free to contact us!

Overview

PIR sensors allow you to sense motion, almost always used to detect whether a human has moved in or out of the sensors range. They are small, inexpensive, low-power, easy to use and don't wear out. For that reason they are commonly found in appliances and gadgets used in homes or businesses. They are often referred to as PIR, "Passive Infrared", "Pyroelectric", or "IR motion" sensors.

Feature of long range pir detector

Higher in cost-performance

Long range

Wide angle

Technical Data of long distance motion detector

1.Maximum Ratings

2.Working Conditions (T=25°C, Vdd=3V，Except other requirements)

Applications

Wireless Devices/Mobile Equipment

Wireless occupancy sensors (powered by PV cells or battery)

PC and smart phones

Commercial & residential lighting fixtures

Video intercoms

Vending machines

Home automation

FAQ

1.How long do motion sensor lights stay on?

Most people set their motion detection lights so they will stay on for about one to two minutes.

2.Do motion sensors save electricity?

Motion sensing switches do have some “phantom” energy use. According to this study, motion sensor switches use about a watt of energy on standby mode (23 hours a day) and 5 watts on active mode (about an hour a day). This trims a bit off of your overall savings.

Senba is the specialist PIR manufacturer for more than 15 years. We are the most advanced factory with complete categories. With strong R&D center, there are digital type and analog type, dual elements and four elements for you choose. The market cover domestic market, Korean, Amertica, Turkey and Europe.

Linear Light Sensor, we also call it photosensitive resistance sensor. The chip integrated inside is very sensitive to light changes. So normally it is used to detect the current ambient light level and converts the light energy into an electrical signal output.

Compared with traditional photoresistors, photoresistor light sensor is more environment friendly and complied with ROHS requirements. We can also make it to be SMD type with mini size. It is more and more popular now.

Senba is one of the most professional PIR sensor manufacturers for more than 15 years. We are the most advanced factory with complete categories. With strong R&D center, there are digital type and analog type, dual elements and four elements for you choose. The market cover domestic market, Korean, Amertica, Turkey and Europe.