Sensors

Humidity Sensors, PIR, Thermostat and Pressure Switches

Displaying 1 to 24 (of 45 products)

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Thermostat - Adjustable Room Thermostat - 230V

£ 28.90

Thermostat for wall mounting in a room to switch fans on or off at required temperature. Mechanical type switching...

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Differential Pressure Switch - 20 - 300 Pa - IP54

£ 28.97

Differential Pressure Switch - FPS1 - working range - 20 - 300 Pa - IP54 Differential pressure switch for air and non-corrosive gasses, these highly sensitive air differential pressure switches are...

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PIR Sensor - PIR4

£ 29.62

A PIR detector ideal for use in buildings, stairwells, corridors, warehouses, toilet lobbies or any area where ventilation or lighting is only required upon occupancy. Features • Fits standard 1 g...

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Differential Pressure Switch - 50 - 500 Pa - IP54

£ 34.01

Differential Pressure Switch - FPS1 - working range - 50 - 500 Pa - IP54 Differential pressure switch for air and non-corrosive gasses, these highly sensitive air differential pressure switches are...

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CS2 Current Switch

£ 36.54

The CS2 current switch is used where fan current flow needs to be proved such as on a Gas Interlock system. When current flow is present the switch will operate. The fan current carrying cable is ...

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Differential Pressure Switch - 200 - 1000 Pa - IP54

£ 37.79

Differential Pressure Switch - FPS1 - working range - 200 - 1000 Pa - IP54 Differential pressure switch for air and non-corrosive gasses, these highly sensitive air differential pressure switches a...

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TG-K3/NTC10-01 - Duct temperature sensor

£ 38.54

Duct temperature sensor. Used in conjunction with electric heater and controller. NTC type with linear scale. Resistance from 1.7K to 177K. Protection class IP20. -30 to +70 degrees C Compatible ...

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Room Thermostat RT 0-30

£ 45.35

Room Thermostat RT 0-30 The RT 0-30 is an electronic room thermostat for indoor wall mounting, with a change-over relay for regulating either heating or cooling. It has an integral sensor, but a...

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Contactor Interface Station - CI9

£ 46.00

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S-ET 10 Motor Protection

£ 48.75

The S-ET 10 (for wall mounting) switch off the supply voltage to the motor when the thermal contact in the motor windings is tripped. The motor protector is connected to a 230V supply and also to the ...

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Digital Room Thermostat - DRT

£ 57.96

Digital room thermostat with set-point adjust. Change-over contacts for both heat and ventilation. Electronic not mechanical switching. Rated at 5 amps, (3 amps inductive)....

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TG-K Duct temperature sensor

£ 64.08

Duct temperature sensor. used in conjunction with electric heater and controller. NTC type with linear scale. Protection class IP20. Models: - TG-K330: from 0 to 30ºC. - TG-K360: from 0 to 60º...

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TG-R room temperature sensor

£ 64.64

Used in conjunction with electric heaters and controllers. NTC type with linear scale. Range of temperature 0-30ºC. Protection class IP30. 2 models: - Room sensor with set point adjustment, 0-3...

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Air Quality Sensor - AQS

£ 98.29 now £ 65.00

Provides fully automatic control. Detects contaminants such as cigarette smoke, body odours, toilet odours and cooking smells. Activates ventilation system when preset threshold is reached. Can ...

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Manrose Humidistat - 1361

£ 65.00

Variable from 20 to 90 degrees relative humidity. Is usually fitted remotely to the fan. Humidity AND over-run timer....

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EC Trickle and boost module - IP56

£ 66.95

TRICKLE AND BOOST IN IP56 ENCLOSURE SWITCHED BY THE 230 VOLT AC FROM PIR HIGH SPEED IS ACTIVATED BY THE PIR AND THE SPEED OF THE FAN IS SET BY THE INTERNAL PRESET MARKED HIGH. LOW SPEED IS THE ...

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Differential Pressure Switch - 20 - 300 Pa - IP65

£ 71.17

Differential Pressure Switch - FPS2 - working range - 20 - 300 Pa - IP65 Differential pressure switch for air and non-corrosive gasses, these highly sensitive air differential pressure switches are...

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DT-1 Duct Mounted Thermostat

£ 71.82

DT-1 Duct Mounted Thermostat. Duct thermostats are used to monitor the temperature of air or liquids. Applications include heating and air conditioning systems. The liquid filled sensing element ...

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Differential Pressure Switch - 50 - 500 Pa - IP65

£ 75.59

Differential Pressure Switch - FPS2 - working range - 50 - 500 Pa - IP65 Differential pressure switch for air and non-corrosive gasses, these highly sensitive air differential pressure switches are...

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Remote Humidistat - XRH

£ 79.00

Automatically switches on when the relative humidity reaches an adjustable preset point and off again when it drops. Features Pull cord override switch. Fan Indicator light. Surface or recess moun...

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Differential Pressure Switch - 100 - 1000 Pa - IP65

£ 81.89

Differential Pressure Switch - FPS2 - working range - 100 - 1000 Pa - IP65 Differential pressure switch for air and non-corrosive gasses, these highly sensitive air differential pressure switches a...

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PIR Sensor - PIR2

£ 88.84

A PIR detector ideal for use in buildings, stairwells, corridors, warehouses, toilet lobbies or any area where ventilation or lighting is only required upon occupancy. This version has changeover (SP...

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DTV200 - Differential Pressure Switch

£ 97.65

Item number: 6261 Differential pressure switch for air and non-corrosive gasses.Relay contact data 250 V AC, 5 A, change-over....

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Room Humidistat - HS1_hdt

£ 113.39

Electronic Room humidistat to monitor humidity levels of 30-100 %RH suitable for switching extract fans, alarms or de-humidifiers ~ Set of volt free changeover contacts ~ Rating 5Amp, 2A inductive...

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Displaying 1 to 24 (of 45 products)