Wireless Sensors

WEMS range of wireless room sensors provide indoor and outdoor environmental data you need to for a comfortable and safe system operation. With no cables to run, sensors can be mounted in almost any environment in a matter of minutes.

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Description

WEMS range of wireless sensors provide indoor and outdoor environmental data you need to for a comfortable and safe system operation. With no cables to run, sensors can be mounted in almost any environment in a matter of minutes.

WEMs high-performance wireless room sensors operate using 434MHz or 915MHz for maximum penetration within a building, feeding vital environmental details back to your chosen BMS.
Each sensor can communicate directly with a Site Manager or BACnet Gateway, or can be routed via the nearest module cluster to provide a greater range.
The sensor casing has a discrete design which enables it to blend into any background. Room sensors contain a 9V Lithium battery that provides 3-5 years of use (depending on configuration and environmental conditions).

Outside sensors are battery powered, designed to provide accurate readings and be installed with ease. Each sensor also includes a single digital input for local status or alarms. Sensors are IP65 rated for external use and can operate using 434MHz or 915MHz frequencies.

Our duct & pipe sensors are battery- powered, designed to provide accurate  readings and be installed into your duct- work, AHU or onto your pipe work with ease. The duct sensor comes in three different  varieties:
> temperature
> temperature and humidity
> CO2
The pipe sensor measures temperature only, but also has one digital input which can be configured for status or alarms. Temperature is read using a flying lead with a flat brass fitting.
Each sensor is IP65 rated for use within harsh environments and can operate using 434MHz or 915MHz frequencies.

Other sensors available include; differential pressure, universal, meter and keyswtich. Click through the different product tabs to find our more information.

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Room Sensors

The WEMs room sensors have a discrete case design which enables it to blend into any background. Room sensors contain a 9V Lithium battery that provides 3-5 years of use (depending on configuration and environmental conditions).
Each sensor can communicate directly with a WEMS BACnet Gateway, or can be routed via the nearest MX module cluster to provide a greater range.

Room Temperature Sensor
The wireless room sensor provides room space temperature and battery voltage status.

Features
> High performance wireless narrow band operation
> License-free use
> 69 RF channels
> Long battery life, up to 5 years
> Accurate space temperature readings
> Tamper-proof enclosure
> 2 year warranty
> CE Certification

Room Temperature & Humidity Sensor
The wireless room humidity sensor provides relative humidity, room space temperature, light level and battery voltage status.

Features
> Relative humidity & space temperature sensor
> High performance wireless narrow band operation
> License-free use (ISM bands)
> 69 RF channels
> Long battery life
> Tamper proof enclosure
> 2 year warranty
> CE Certification

Room Temperature & Light Sensor
This wireless room sensor provides room space temperature, light level and battery voltage status.

Features
> Accurate space temperature readings
> Light level sensor
> High performance wireless narrow band operation
> License-free use (ISM bands)
> 69 RF channels
> Long battery life, up to 5 years
> Tamper proof enclosure
> 2 year warranty
> CE Certification

Room Temperature, Light & Presence Sensor
This wireless room sensor provides room space temperature, light level, presence detection and battery voltage status.

Features
> Five metre presence detection range
> Temperature, light & presence sensors
> Accurate space temperature readings
> High performance wireless narrow band operation
> License-free use (ISM band)
> 69 selectable RF channels
> Long battery life
> Tamper proof enclosure
> 2 year warranty
> CE Certification

Outdoor Sensors

The outside sensors are battery powered, designed to provide accurate readings and be installed with ease. Each sensor also includes a single digital input for local status or alarms. Sensors are IP65 rated for external use and can operate using 434MHz or 915MHz frequencies.

Outdoor Temperature Sensor
Features
> Accurate temperature readings
> High performance wireless narrow-band operation
> License-free use (ISM bands)
> 69 RF channels
> IP65 rated
> Conformal coated to protect against condensation
> Long battery life
> 2 year warranty
> CE Certification

Outdoor Temperature & Light Sensor
Features
> Accurate temperature readings
> Light level sensor
> High performance wireless narrow-band operation
> License-free use (ISM bands)
> 69 RF channels
> IP65 rated
> Conformal coated to protect against condensation
> Long battery life
> 2 year warranty
> CE Certification

Duct & Pipe Sensors

Duct CO2 Sensor
The WEMS CO2 duct sensor is a battery powered wireless device; providing CO2 measurements with a range of 0 to 5,000ppm. Designed to be mounted on air ducting for monitoring of ventilation and air conditioning systems, typical on the supply and return.

Features
> 0-5,000ppm range
> Duct mount
> High performance wireless narrow-band operation
> License-free use (ISM band)
> Low power, long battery life

Duct Temperature & Humidity Sensor
The Temperature and Humidity duct sensor is a battery powered wireless device; providing temperature measurements with a range of -40 to +120°C and humidity measurements with a range of 0 to 100% RH. Designed to be mounted on air ducting for monitoring of ventilation and air conditioning systems, typically on the supply and return.

Features
> Relative humidity sensor
> Temperature sensor
> Duct mount
> High performance wireless narrow-band operation
> License-free use (ISM band)
> Low power, long battery life
> 2 year warranty
> CE Certification

Each sensor can communicate directly with a WEMS BACnet Gateway, or can be routed via the nearest MX module cluster to provide a greater range.

Other Sensors

Each sensor can communicate directly with a WEMS BACnet Gateway, or can be routed via the nearest MX module cluster to provide a greater range.

Differential Pressure Sensor
The differential air pressure sensor is battery powered and provides differential pressure measurements with a range of -500 to +500 Pa. It is typically used in ventilation systems to monitor filters (filter dirty detection) and differential air pressure in clean rooms.

Features
> Differential pressure range of -500 to +500 Pa
> High performance wireless narrow band operation
> License-free use (ISM bands)
> DIN rail mounted
> Long battery life
> 2 year warranty
> CE Certification

Final Exit Keyswitch
Our final exit keyswitch uses a digital input to enable or disable plant at the turn of a key. The keyswitch is battery-powered, and can be located at a fixed position, or moved around as required.

Features
> Keyswitch linked to digital input
> High performance wireless narrow band operation
> License-free use (ISM bands)
> 69 RF channels
> Long battery life
> 2 year warranty
> CE Certification

Meter Sensor
Our meter sensor provides one digital (volt-free) input for status or pulse meter counting. It has a conformal coating and has been certified for zero-rated areas, so can be used with gas meters.

Features
> Digital input configurable for pulsed inputs
> High performance wireless narrow band operation
> License-free use (ISM bands)
> 69 RF channels
> IP65 rated
> Conformal coated to protect against condensation
> Long battery life
> 2 year warranty
> CE Certification

Universal Sensor
The Universal sensor is ideal for a multitude of BMS applications. It provides one digital input, two temperature/light sensor inputs and battery status.

Features
> 2 × thermistor/light sensor inputs
> Digital input configurable for status or alarm
> High performance wireless narrow band operation
> License-free use
> 69 RF channels
> IP65 rated
> Conformal coated to protect against condensation
> Long battery life
> 2 year warranty
> CE Certification

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