Photocells & PIR Sensors

Photocells, PIR Sensors, and Microwave Sensors – Smart Solutions for Energy Savings

Incorporating sensors like photocells, PIR (Passive Infrared) sensors, and microwave sensors into lighting systems is a smart, effective way to save energy and prolong the life of LED fittings. By ensuring lights are only activated when needed, these sensors reduce unnecessary energy consumption, lowering electricity costs and minimising the environmental impact.

From residential driveways to commercial spaces, sensor-activated lighting is both practical and efficient, helping you achieve sustainable, low-maintenance illumination.

The Best Way to Save Energy Is Not to Use It! Sensors are designed with this principle in mind, automatically switching lights on and off based on external factors such as motion, ambient light, or occupancy. This eliminates wasteful energy usage, making them a valuable addition to any LED lighting setup.

Types of Sensors for Energy-Efficient Lighting

• Photocells: Photocells, also known as dusk-to-dawn sensors, detect ambient light levels and automatically turn lights on at dusk and off at dawn. This is ideal for outdoor lighting applications such as garden lights, streetlights, and security lights, as it ensures lights are only active when natural light is insufficient. By adjusting to the changing seasons, photocells provide consistent, energy-efficient illumination without manual intervention.
• PIR Sensors: Passive Infrared (PIR) sensors detect body heat, activating lights when motion is detected within a specified range. PIR sensors are widely used for security lighting and in areas with intermittent use, such as hallways, driveways, and bathrooms. They conserve energy by ensuring lights are only on when movement is present, and turn off after a set period of inactivity. This on-demand approach not only saves energy but also extends the life of the LED fittings by reducing active hours.
• Microwave Sensors: Microwave sensors emit low-power microwave signals and detect movement based on changes in reflected signals. Unlike PIR sensors, microwave sensors can detect movement through certain materials, making them suitable for concealed installations or areas with obstructions. They’re ideal for larger spaces, such as warehouses or office corridors, and offer highly sensitive, wide-ranging motion detection to ensure lights are only on when needed, further enhancing energy efficiency.

Energy Savings and Prolonged LED Lifespan

Using sensors with LED lighting ensures that lights are only activated when necessary, leading to significant energy savings and reduced operating costs. By minimising the time LEDs are active, sensors help extend the lifespan of the fittings, reducing maintenance needs and replacement costs. This combination of energy efficiency and longevity makes sensor-based lighting a smart investment for both residential and commercial spaces.

Why Choose Expert Electrical for Photocells, PIR Sensors, and Microwave Sensors?

At Expert Electrical, we offer a diverse range of photocells, PIR sensors, and microwave sensors, helping you create an efficient, reliable lighting system tailored to your specific needs. With competitive pricing, fast delivery, and expert advice, we’re here to support you in implementing sustainable lighting solutions that deliver long-term benefits.