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Photoresistors

ILT5000 SED240-ACT5-W Research Germicidal Light and Optical Radiation Hazard Measurement System
International Light Technologies
Anti-Microbial & UV DisinfectionJUMP TO PRODUCT TABLE ›ILT offers anti-microbial radiometer systems for testing effective germicidal ultraviolet irradiance for most short wave UV (\"UV-C\") sources including ozone producing and non-ozone producing, low and medium pressure mercury lamps, xenon lamps and UV LEDs. ILT sensors come ...

Specifications

Vmax (VDC): -- Volts
Pmax: -- mW
Spectral Range: 235-307nm
Peak Responsivity: 270 nm
Response Time (rise): -- ms
Measuring Conditions 1. Light resistance: Measured at 10 Lux with standard light A (2854K color temperature) and 2hr illumination at 400-600 lux prior to testing.2. Dark Resistance:Measured 10 senconds after closed 10 lux.3. Gamma Characteristic: Between 10 lux ande 100 lux and given by γ  =  lg(R10/R100). R10,R100 Cell ...

Specifications

Vmax (VDC): 250 Volts
Pmax: 200 mW
Spectral Range: 400-800nm
Peak Responsivity: 540 nm
Response Time (rise): 20 ms

Frequently Asked Questions

Photoresistors, also known as Light-Dependent Resistors (LDRs) or Light-Dependent Sensors (LDSs), are passive electronic components that change their resistance in response to light intensity. They are used to detect and measure the presence or absence of light and are commonly employed in various applications, such as light sensing, automatic lighting control, light meters, and optical communication systems.

Photoresistors work based on the principle of the photoconductivity effect. When exposed to light, the conductivity of the semiconductor material within the photoresistor changes, resulting in a corresponding change in resistance. The resistance of a photoresistor decreases with increasing light intensity and increases in low-light conditions. This variation in resistance can be measured and utilized for different purposes in electronic circuits or systems.

Photoresistors offer several advantages, including simplicity of use, low cost, wide dynamic range, and broad spectral response. They are easy to integrate into electronic circuits, requiring minimal external components. Photoresistors are suitable for applications where relative changes in light intensity need to be measured, and precise light levels are not critical. They are widely available in different shapes and sizes, making them versatile components for various light sensing applications.

The spectral response of photoresistors can vary depending on the specific materials used in their construction. While some photoresistors have a broad spectral response covering visible, UV, and near-infrared regions, others are optimized for specific wavelength ranges. When selecting a photoresistor, consider the desired spectral response to ensure it matches the light source or application requirements.

Photoresistors can be used in outdoor applications; however, their suitability depends on various factors such as the specific photoresistor model, environmental conditions, and required performance. It's important to choose photoresistors that are designed for outdoor use, resistant to moisture and environmental contaminants. Additionally, consider factors such as temperature range, response time, and desired sensitivity to ensure reliable operation in outdoor settings.

There are 2 different Photoresistors from suppliers and manufacturers listed in this category. In just a few clicks you can compare different Photoresistors with each other and get an accurate quote based on your needs and specifications. Please note that the prices of Photoresistors vary significantly for different products based on various factors including technical parameters, features, brand name, etc. Please contact suppliers directly to inquire about the details and accurate pricing information for any product model. Simply navigate to the product page of interest and use the orange button to directly reach out to the respective supplier with one click.

Did You know?

Did you know that Photoresistors, also known as Light-Dependent Resistors (LDRs) or Light-Dependent Sensors (LDSs), are passive electronic components that can detect and measure light intensity? These versatile devices work based on the photoconductivity effect, where the resistance of the semiconductor material within the photoresistor changes in response to incident light. When exposed to light, the resistance of a photoresistor decreases, allowing the flow of current. In low-light conditions, the resistance increases, limiting the current flow. Photoresistors offer simplicity of use, low cost, and a wide dynamic range, making them popular for light sensing applications such as automatic lighting control, light meters, and optical communication systems. They have a broad spectral response, covering visible, UV, and sometimes near-infrared regions. When selecting a photoresistor, consider factors such as spectral response, desired sensitivity, response time, and environmental conditions. Photoresistors are valuable tools for detecting light intensity changes and enabling various electronic applications where relative light intensity measurements are needed.