Microwave Sensors

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Saxby MW Sensor

Usually Delivered within 1-2 Working Days*

SKU: 94057

£11.04 £13.25

Saxby Rular corridor kit

Usually Delivered within 1-2 Working Days*

SKU: 96850

£17.64 £21.17

Saxby Rular sensor (Suit for Rular only)

Usually Delivered within 1-2 Working Days*

SKU: 94056

£11.34 £13.61

Saxby Lighting Salde Microwave Sensor IP65

Saxby Salde Microwave Sensor IP65

1 In stock

More Available with 1-2 Working Days*

SKU: 91865

£7.50 £9.00

Saxby Altum Microwave Sensor

Usually Delivered within 1-2 Working Days*

SKU: 78577

£41.50 £49.80

Saxby Microwave Detector

Usually Delivered within 1-2 Working Days*

SKU: 90978

£11.95 £14.34

Saxby Microwave Sensor IP65

Usually Delivered within 1-2 Working Days*

SKU: 103850

£14.15 £16.98

Saxby HeroPRO XL Corridor Kit Accessory

Usually Delivered within 1-2 Working Days*

SKU: 103943

£19.50 £23.40

Saxby HeroPRO Microwave Sensor Accessory

Usually Delivered within 1-2 Working Days*

SKU: 101456

£7.95 £9.54

Saxby HeroPRO Corridor Kit Accessory

Usually Delivered within 1-2 Working Days*

SKU: 101458

£17.48 £20.98

Knightsbridge 5.8GHz Microwave Sensor Module

5 In stock

More Available on Backorder

SKU: OS008

£15.95 £19.14

Knightsbridge IP65 Microwave Sensor – White

3 In stock

More Available on Backorder

SKU: OS021

£15.95 £19.14

Knightsbridge Microwave Sensor Max. 1000W

Usually Dispatch within 3-5 Days

SKU: MSENSOR

£19.95 £23.94

CP Electronics Adjustable Head, Long Range, Flush Mounted, Ceiling, Microwave Presence Detector – PRM Switching

Usually Dispatch 2-3 Days

SKU: MWS3A-PRM

£153.25 £183.90

Showing all 14 results

Microwave sensors, also known as microwave motion sensors or radar sensors, are devices used for motion detection and presence sensing in various applications, including lighting control, security systems, and automation. These sensors operate on the principle of emitting microwave signals and detecting their reflections off moving objects, such as people or vehicles. In the context of BS 7671 (the IET Wiring Regulations), microwave sensors are considered as part of electrical installations. Here are some key points to consider regarding microwave sensors and their use in compliance with BS 7671:

Detection Technology: Microwave sensors emit microwave signals (typically in the GHz range) and measure the reflections from objects within their field of view. Changes in the reflected signals indicate motion or the presence of an object.
Applications: Microwave sensors are versatile and can be used in various applications, including:
- Lighting Control: Microwave sensors are used to automate lighting control by detecting occupancy in spaces such as offices, warehouses, parking lots, and public areas. They are particularly effective in areas where passive infrared (PIR) sensors may not be suitable, such as large open spaces with high ceilings.
- Security Systems: Microwave sensors are integrated into intruder alarm systems and surveillance systems to detect movement and trigger alarms. They are also used in access control systems.
- Automation: Microwave sensors are used in industrial automation for tasks like material handling, conveyor systems, and robotics. They can provide precise motion detection in these applications.
Installation: Proper installation of microwave sensors is essential for their correct operation. The installation should follow the manufacturer’s instructions and wiring diagrams. Consideration should be given to sensor placement, orientation, and height for optimal coverage.
Coverage Area: Microwave sensors have adjustable sensitivity and range settings to customize the coverage area. The coverage area can vary based on the sensor’s specifications and application requirements.
Control Options: Microwave sensors can be integrated with various control options, including lighting control systems, security systems, and building automation systems. They may include adjustable delay settings and sensitivity settings.
Compatibility: Ensure that the microwave sensor you choose is compatible with your control system and devices. Compatibility may involve communication protocols and voltage requirements.
Safety: Microwave sensors are non-contact devices, and they do not emit harmful radiation levels. However, they should be installed and maintained with safety in mind to prevent tampering and ensure their continued operation.
Testing and Commissioning: After installation, microwave sensors should be tested to ensure they operate as intended. This includes verifying their sensitivity and adjusting settings if necessary.
Maintenance: Periodic maintenance may be required to ensure the continued operation of microwave sensors. This may include cleaning the sensor’s lens and checking for loose connections.
Compliance with BS 7671: When installing microwave sensors as part of an electrical installation in the UK, it is essential to comply with the requirements of BS 7671 (the IET Wiring Regulations). This includes ensuring that the sensors are correctly connected, protected, and installed in a safe and compliant manner.

Microwave sensors offer advantages in terms of coverage and performance, making them suitable for applications where precise motion detection and presence sensing are required. Properly installed and configured microwave sensors enhance energy efficiency, security, and automation in various settings.

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