
Types of Proximity Sensor Metal Proximity Sensor (LJA30)
The product is active infrared sensor. Using imported infrared transceiver electron optical tube,inductive range is adjustable with flexible and convenient, accurate distance control.
Product Introduction
It is our unremitting pursuit to strive for high-tech in the field of light spot detecting sensor, Industial door motion sensor, double lock switch for dressing room and create value with customers. With our multi-dimensional top advantages, we dedicate ourselves to serve our new and old customers with sincerity and devotion to return their trust. We respect the nature of human beings and create and meet the higher level needs of individuals. We cultivate quality culture, strengthen brand management, and continue to carry out quality improvement actions.
Infrared motion sensor

The product is active infrared sensor. Using imported infrared transceiver electron optical tube,inductive range is adjustable with flexible and convenient, accurate distance control. Strong anti-interference ability, high sensitivity and error action is very low, can be convenient for all kinds of automatic doors for induction matching, especially suitable for the door space is narrow or the street human walking frequent occasions.
Product overview


Product specification
Ray type | Reflective infrared |
Quantity of ray | 8 emit rays and 8 receive rays |
Function type | Detect moving objects |
Installation height | 3 meters |
Adjusting angle | 0-10 degree by DIP switch |
Power supply | AC/DC 12-36V +/-5% |
Consumption capacity | < 2.5VA |
Relay output | DC 50V, 0.1A |
Output holding time | 2 seconds |
Output indication | Standby with Green light, receive signal with Red light |
Weight | 400g |
Color | Silver |
Cable length: | 2.5 meters |
External dimension: | 220(L)x74(W)x36(H)mm |
Installation procedure

1. Stick installing paper on the mounting position, according to the instruction on the paper to drill the mounting hole 3.5mm and cable entrance hole of 10mm.
2. Fix the underframe on the wall with two screws.
3. Fix the main detector on the underframe.
4. Connect the microwave sensor and auto door controller. The gray cable is for power supply. The yellow cable is for signal contact. Neither of them are polarized.
5. Keep the connect cable hidden.
6. Recover the outer cover after all parameters be set.
Certificate

We are a manufacturer, always committed to the research & development, production and sales of various door opening, anti-pinch, controllers and other products of automatic door control systems. Passed ISO9001 certification, model 204E has passed CE certification and is widely sold all over the world. After years of inspections in domestic and foreign markets, stable performance, high quality and good service.
More information and product requirements, please contact us freely!
Through deep understanding of our customers, continuous improvement of our brand value and continuous growth of our position in the Types of Proximity Sensor Metal Proximity Sensor (LJA30) industry, we have gradually enhanced our growth and competitiveness to provide first-class products and services to our customers. We are willing to work with our customers to create a beautiful, energetic and more brilliant tomorrow. Our company relies on the demanding work attitude to perfect the research and development of customer demand, we spare no effort to do better.
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