70156-3501

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Optical sensors are devices that measure various properties of light. The 70156-3501 is an example of a type of optical sensor called a photoelectric sensor. These sensors are specifically designed to detect the presence and amount of various types of materials on surfaces, ranging from solid objects to liquids. They are often used in industrial applications to monitor the status of processes or machines, detect objects or parts, and count items.

The 70156-3501 is a physical contact photoelectric sensor that uses a combination of light transmission and physical contact to detect the presence of a material. The sensor consists of two parts: a base unit and an active sensing element. The base unit is typically a small box with a power supply, control circuit, and a light source. The active sensing element contains a light detector, such as a photodiode or phototransistor, which is specifically designed to detect a particular type of material. This sensing element is attached to the base unit via an optical conductor such as a fiber optic cable.

The sensor works by illuminating the material under test with the light source. When the material passes between the base unit and the active sensing element, the sensor detects the light reflected off the material. If the light\'s subject is determined to be suitable for the sensor, the sensing element produces an electrical signal. This signal is then communicated to the control circuit in the base unit, which interprets the signal and sends an alert (such as turning on an indicator light, activating a siren, or sending a wireless signal) to indicate its presence.

The 70156-3501 is ideal for industrial applications where the presence and amount of a material needs to be monitored in order to maintain quality control. Common applications include detecting parts passing by a conveyor belt, or counting objects to track production progress. This sensor is also used in medical applications, such as a bedside monitor to detect changes in a patient\'s body temperature.

Overall, the 70156-3501 is a reliable and easy-to-use photoelectric sensor that provides an accurate way to detect the presence and amount of various types of materials in industrial and medical applications. Its superior sensitivity makes it well-suited to applications where more precise measurements are needed.

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