Sensors

Humidity Sensors, PIR, Thermostat and Pressure Switches

Displaying 1 to 24 (of 45 products)
Air Quality Sensor - AQS
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 ...
Digital Room Thermostat - DRT
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)....
Differential Pressure Switch - 20 - 300 Pa - IP65
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...
Manrose Humidistat - 1361
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....
PIR Sensor - PIR4
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...
Remote Humidistat - XRH
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...
Room Humidistat - HS1_hdt
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...
Commercial Thermostat - TH16
Commercial Thermostat - TH16
£ 135.45
Product description. * Thermostat for controlling fans depending on the air temperature. * It is possible to operate the fan with increasing or decreasing air temperature mode selected. ...
Gas Interlock system with Keyswitch
Gas Interlock system with Keyswitch
£ 171.94
The GVI-001 is a gas interlock control system that either pressure switches or current sensors to prove airflow and when that airflow is proved then a electrical supply is made available to the gas v...
SCHT-AD Intelligent elements for demand controlled ventilation
SCHT-AD Intelligent elements for demand controlled ventilation
£ 1,180.60
SCHT-AD Intelligent elements for demand controlled ventilation Ambient CO2 sensor, temperature and relative humidity with display...
TG-K Duct temperature sensor
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...
TG-R room temperature sensor
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...
BEAS-control module
BEAS-control module
£ 217.64
BEAS-control module Control module that can adapt theall/nothing proportional input signal of a detector or a probe to control a motorised flap, or a two-speed single phase or DC_fan, in minimum/...
TG-K3/NTC10-01 -  Duct temperature sensor
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 ...
SCO2-A Ambient CO2 and Temperature Sensor
SCO2-A Ambient CO2 and Temperature Sensor
£ 526.32
SCO2-A Ambient CO2 and Temperature Sensor for use in S&P on demand ventilation systems....
Thermostat - Adjustable Room Thermostat - 230V
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...
S-ET 10 Motor Protection
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 ...
AES-Fire control unit
AES-Fire control unit
£ 686.37
AES-0,37KW,D, control unit • Exhaust air and smoke extraction switchgear with direct switching • All functions in accordance with VDMA 24177 / DIN/VDE 0660 • In plastic housing • Motorpr...
Pulser Temperature control
Pulser Temperature control
£ 119.73
Pulser Temperature control Electronic temperature control The Pulser is a single or two-phase temperature regulator for controlling heater batteries. This device is connected in serie...
Atex Motor Protection Switch - U-EK230E EX
Atex Motor Protection Switch - U-EK230E EX
£ 136.27
Thermistor motor protection The U-EK 230E is a thermistor motor protection device which is intended for use in conjunction with a contactor for the protection of the Atex fans in the DKEX, KTEX ...
Duct Humidistat - HS4_hdt
Duct Humidistat - HS4_hdt
£ 241.92
Electronic inline Duct humidistat to monitor humidity levels of 30-100 %RH suitable for switching extract fans, alarms or de-humidifiers ~ Size 108mmx72mmx72mm - Probe length 225mm. ~ Set of volt ...
SQA - Air quality sensor
SQA - Air quality sensor
£ 122.40
SQA - Air quality sensor...
Differential Pressure Switch - 20 - 300 Pa - IP54
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...
CO2 Room Sensor - CO2-R
CO2 Room Sensor - CO2-R
£ 352.80
CO2 Sensor is used to monitor CO2 levels in a room and when a pre-set level is reached the sensor can then be used to either (dependent on model) switch on a fan or for kitchen applications used to sw...
Displaying 1 to 24 (of 45 products)
1 x ELTA - Single Phase Transformer 4amps1 x FU 22 04 Frequency Inverter1 x CBA-60 Inlet Flange for CBT-601 x Synthetic Air Filter Media - 10mm x 2mtr x 10mtr Half Roll1 x Duct Suspension Rings - 160mm1 x Universal Pipe Fixing Clip1 x HRST/6-800/28-BZ-68 (400V50)C1 x Helios HRFW 355/2 TK1 x FK 125 Fast Clamp1 x Ducting 15 Degree Bend - 315mm1 x Duct Split Rings (Pair) -1000mm1 x FlameProof Plate Axial Fan - Three Phase - 15 inches - Eexd IIC T4 -4pole1 x HV Wall Mounted Belt Drive Fan 1250mm 400V / 50Hz 1.1kW - Three Phase1 x 110 x 54mm Horizontal 45 Degree Bend1 x Elta SLC630/4B-3AC - IP551 x HRT/6-800/28-BZN-68C1 x Soler & Palau VFD-M inverter 10 amp IP542 x Ancillary Pack for SDA350/4-1EC1 x External weather louvre Rectangular in RAL 9010 - 1200w x 800h - WL501 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-3AC - Three Phase1 x Helios SB EC 125 A SilentBox Centrifugal Fan1 x LCA403226 - Long Cased Axial Fan1 x BDRAX 250-E2 Cased Axial External Rotor Fan1 x Ducting T Piece Equal - 100mm1 x AL 355 D2 01 - High Performance Long Cased Axial Fan1 x Decor 300-C Bathroom Fan1 x KVK Slim 200 - Low profile Semi Acoustic Box Fan1 x KD 315 L1 - High Performance Duct Fan2 x HCFT/4-800mm plastic impeller plate fan1 x Blast Gate (Manual) 125mm1 x 125mm Wall Duct - 350mm1 x DDMP 10-10 FLANGE1 x Helios SB-125-C SilentBox Acoustic Inline Fan1 x BDS 800 RA b/d shutter1 x KVK Slim 100 - Low profile Semi Acoustic Box Fan1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Access Door for Circular Duct - 250 x 150 - SIZE 151 x 100mm Round Wall Plate1 x EBB-250 T DESIGN Centrifugal Extractor Fan1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF350/4-1AC - Single Phase1 x PCA Diffuser - PCA-3151 x AC03TO-ADS-VFS-EN-9A (Three Phase)1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT400/4-3AC1 x CAB-355 ECOWATT Energy Efficient Acoustic Box Fan1 x Acoustic Box Fans (Inline) - CAB-1601 x KVK SLIM 355 EC - Centrifugal Circular Duct Fan1 x 400mm x 400mm Metal Grille Box - 250mm Side Entry1 x KVK SLIM 160 EC - Centrifugal Circular Duct Fan1 x Soler & Palau - HCBT/4-800/H - IP551 x Ducting 45 Degree Bend - 100mm1 x Spiral Duct Grille Termination - 125mm1 x HCFT/6-1000-HX plastic impeller plate fan1 x Shoed T Piece Equal -100mm1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Belt Drive Cased Axial Fan - 710mm - H version1 x *NEW* TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Quietflow SQS500-1ECL - Centrifugal Box Fan1 x ADH E0-0560 (L) with Framework Fitted (PR)1 x Anti Vibration Duct Suspension Rings - 160mm1 x Ducting T Piece Equal - 300mm1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF315/4-1AC - Single Phase1 x KVK Slim 250 - Low profile Semi Acoustic Box Fan1 x Soler & palau TCBT/2-250/H - IP441 x 100mm Wall Duct - 350mm1 x CAB-160 ECOWATT Energy Efficient Acoustic Box Fan1 x CBT-100 N (230/400V50HZ) LG270-EXDIIBT41 x Ducting 90 Degree Bend - 150mm1 x Ancillary Pack for SLC-4001 x Soler & Palau - HCBT/4-800/L-AX - IP551 x Isolator Switch - ISOSW1 x HVWC800 WALL COWL - for use with the HV-800 belt driven fans1 x HEATER BATTERY+CONTROLS 315 DIA 1 PHASE 4/8kW1 x Multiflow SMB450/4-3AC1 x Helios Condense Collector1 x BDB 400 TM - High Pressure Centrifugal Fan1 x FlameProof Plate Axial Fan - Single Phase - 12 inches - Eexd IIC T4 -4pole1 x Flat Roof Terminal -OFT 1 - Felt & Asphalt 110mm1 x Elta SPA630/46-3AC - IP541 x Ducting 90 Degree Bend - 315mm1 x KVK SLIM 400 EC - Centrifugal Circular Duct Fan1 x MD - Motor Protection Switch (3 Phase)1 x DV-ROF-V-225 Roof mounted unit1 x Ducting Reducers Short - 315mm-200mm1 x Soaker Sheet to suit RA8001 x GB-KW 355 Drain pan for Giga Box Fans - 355mm1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT630/4-3AC1 x Helios SB-200-C SilentBox Acoustic Inline Fan1 x Impeller Side Guard - 630mm1 x Elta SLC900/4B-3AC - IP551 x Male Ducting Connector - 400mm1 x Duct Fast Clamps - 100mm1 x Elta Raptor SFB ATEX Plate Mounted Axial Fan- 560mm1 x Hydor HPA450/6-1A1 x Helios SVR EC 160 B – SlimVent Centrifugal Fan Box
Reviews
Duct Mounted Inline Filter - EU4
Duct Mounted Inline Filter - EU4
£ 41.95

Well made and robust, but it was not use for my application ...