GP1S95

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Introduction

GP1S95 is a transistor output photo interrupter optically coupled to an infra-red LED emitting diode. It is a slot type type photointerrupter designed for general-purpose TTL logic control applications. By accurately detecting most objects, it allows a wide range of applications such as switch counter, positioning device, absence/presence detection, home appliance, office automation product and security systems.

Working Principle

When the GP1S95 is preventing an object from passing through it, the light emitting diode (LED) inside the interrupter is oriented towards the phototransistor and the phototransistor will conduct and turn the transistor output on. When the object has been passed through the interrupter, the phototransistor will cease to conduct and the output will turn off. As a result, an output signal can be obtained simply by switching between the “on” and “off” state.

Applications

Due to its wide range of applications, the GP1S95 is one of the most sought after photointerrupter device. The applications for this device include but are not limited to the following:

• Switch Counting – The least expensive and most accurate method for counting moving objects such as switches, disks, belts, and rotors.
• Positioning Devices – GP1S95 can accurately detect the presence and absence of an object to position and control speed.
• Absent/Presence Detection – GP1S95 is ideal for providing an error-free detection of objects in adverse environmental conditions.
• Home Appliances – GP1S95 can provide accurate measurement of objects from a safe distance. It is also beneficial for improving safety in home appliances by detecting whether a person is present or not.
• Office Automation Products – GP1S95 is ideal for applications such as document counting, label printing, page feeding, and binding applications.
• Security Systems – GP1S95 can be used for applications such as access control, intrusion detection, and counterfeit detection.

Advantages

GP1S95 has numerous advantages over other photointerrupter devices. It offers greater reliable and accuracy due to its excellent optical characteristics. GP1S95 also has a fast response time and long service life as compared to other photointerrupters. Furthermore, its small size and low power consumption make it a great addition to applications where space and power are scarce. Also, the device can detect objects in a variety of different environmental conditions, making it very versatile.

Conclusion

Due to its wide range of applications and excellent optoelectric performance, GP1S95 is one of the most popular choice of photointerrupter device. With its small size, low power consumption, and fast response time, it is a great choice for a variety of applications, such as switch counting, positioning device, absence/presence detection, home appliance, office automation product and security systems.

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