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Cause analysis of no output signal of photoelectric sensor The photoelectric sensor has the characteristics of high precision, fast response, non-contact measurement and simple structure, and it is widely used in detection and control.

Composition and classification of photoelectric sensors The photoelectric sensor is a sensor that uses a photoelectric device as a conversion element. It can be used to detect non-electrical physical quantities that directly cause changes in light quantity, such as light intensity, illuminance, radiation temperature measurement, gas composition analysis, etc.

Considerations of photoelectric sensor selection 1. The size of the photoelectric sensor must be in line with its own production environment, and it needs to be measured before making a selection.

Description of photoelectric proximity sensor The photoelectric switch uses the light source as the medium and applies the photoelectric effect. When the light source is blocked by an object or the amount of light is changed due to reflection, radiation and shadow, it detects the presence, size and brightness of the object,

Description of working principle and characteristics of photoelectric switch Photoelectric switch is actually a simple term for photoelectric proximity switch, because the detection object blocks and reflects the light beam, this kind of switch takes advantage of this, even if it is a metal material, it can be detected, and only objects with reflected light effects are needed. Detected.

Examples of applications of photoelectric sensors Application 1: Barcode Scanner When the scanning pen head moves on the bar code, if it encounters a black line, the light of the light-emitting diode will be absorbed by the black line, and the phototransistor will not receive the reflected light, presenting a high impedance and being in a cut-off state.

How is an inductive proximity switch applied Inductive proximity switches need to be tested before use. Professional personnel will conduct structural testing on the main components of the switch. The main purpose is to determine whether the components of the switch are normal and whether they can work stably.

How is the photoelectric switch waterproof When we use mechanical equipment, especially in the case of new types of mechanical testing, we usually use photoelectric switches.

How to detect photoelectric switch sensor Commonly used photoelectric switches have four lead pins, two of which are infrared emitting diode pins, and two are phototransistors for light receiving.