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What are light detectors called?

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Anonymous

13y ago
Updated: 8/20/2019

Photo-diodes.

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Wiki User

13y ago

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What are 'light detectors'?

Photo-diodes.


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What is the working of dark detector?

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How smoke detector work in case of fire?

Smoke Detectors use things called LDR's or Light Dependent Resistors which lose resistance with an increase in natural light. So when there is a fire, smoke blocks out the natural light, alarming the smoke detector with an increase in resistance. Once the smoke is gone the resistance decreases and a current is allowed to flow to shut down the smoke detectors alarm. :)


What is difference between an HPLC UV detector and a fluorescence detector?

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What are the differences between photoelectric and ionization smoke detectors?

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What are the detectors of visible light waves?

Detectors of visible light waves include photodiodes, photomultiplier tubes, and charge-coupled devices (CCDs). These detectors work by converting incoming photons into an electrical signal that can be measured and analyzed. They are commonly used in cameras, sensors, and scientific instruments to detect and capture images or quantify light intensity.


What are the differences between ionization and photoelectric smoke detectors?

Ionization smoke detectors use a small amount of radioactive material to ionize the air, while photoelectric smoke detectors use a light beam to detect smoke particles. Ionization detectors are better at detecting fast-flaming fires, while photoelectric detectors are more sensitive to slow-smoldering fires.


What can detect wavelengths of light found in the infrared range of the electromagnetic spectrum?

Infrared detectors are commonly used to detect wavelengths in the infrared range of the electromagnetic spectrum. They can be made using various technologies, such as thermopiles, pyroelectric detectors, and semiconductor-based detectors like InSb or HgCdTe detectors. These detectors convert infrared radiation into an electrical signal that can be analyzed or used for various applications.


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Does an insect have detectors on their behind?

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How many different types of leak detectors HVAC?

There are several types of leak detectors used in HVAC systems, including electronic leak detectors, ultrasonic leak detectors, and dye-based leak detectors. Electronic detectors sense refrigerant gases through sensors, while ultrasonic detectors pick up sound waves generated by leaks. Dye-based detectors involve adding a fluorescent dye to the refrigerant, which can be visually inspected under UV light. Each type has its advantages, depending on the specific needs of the HVAC system and the type of refrigerant used.