Product Search

    SEARCH NOW FOR ALL YOUR SENVA SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    Sensors & Switches / CO2 Sensor

    Radwell is not an authorised distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorisation by any rights holder.

    Filter Results
    Results 1-50 of 92.
    SENVA AQ2W-AC2AAEXC

    SENVA

    AQ2W-AC2AAEXC

    CO2 GAS SENSOR, TOTALSENSE, AQ2 PRO SERIES, ANALOG, RANGE 0-2000 PPM, RH SETPOINT, 10K, T2, 1K SLDWALL, 100 MA MAX, 12-30 VDC / 24 VAC, ABS PLASTIC, WALL MOUNT, WITHOUT DISPLAY
    ✓ IN STOCK!
    £516.66 Price with VAT: £619.99 Buy Surplus As Low As £392.70 Price with VAT: £471.24
    £392.70 Price with VAT: £471.24
    Repair Yours £257.87 Price with VAT: £309.44
    SENVA CT1D-A3D

    SENVA

    CT1D-A3D

    CO2/TEMP DUCT SENSOR, CT1D SERIES, LCD NOTEMP, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR NO
    ✓ IN STOCK!
    £237.24 Price with VAT: £284.69 Buy Surplus As Low As £180.51 Price with VAT: £216.61
    £180.51 Price with VAT: £216.61
    SENVA AQW-ABBCBE1

    SENVA

    AQW-ABBCBE1

    CARBON DIOXIDE SENSOR, 2% RH SENSOR, 10K SET POINT SLIDER, OVERRIDE BUTTON, TYPE 2, WHITE
    ✓ IN STOCK!
    £323.66 Price with VAT: £388.39 Buy Surplus As Low As £184.33 Price with VAT: £221.19
    £184.33 Price with VAT: £221.19
    SENVA TGW-BC

    SENVA

    TGW-BC

    GAS SENSOR, TG SERIES, CO SENSING, LCD DISPLAY, 2 ANALOG OUTPUTS, BCNET/MODBUS NETWORK COMMUNICATION
    ✓ IN STOCK!
    £378.25 Price with VAT: £453.90 Buy Surplus As Low As £237.15 Price with VAT: £284.58
    £237.15 Price with VAT: £284.58
    Repair Yours £181.29 Price with VAT: £217.55
    SENVA TGS-NO2-ULV2

    SENVA

    TGS-NO2-ULV2

    REPLACEMENT SENSOR, NITROGEN DIOXIDE (NO2), TGUL V2, FOR TG PURCHASED AFTER 2/1/22
    £154.72 Price with VAT: £185.67 Buy Surplus As Low As £92.83 Price with VAT: £111.40
    £92.83 Price with VAT: £111.40
    SENVA TGS-CO-ULV2

    SENVA

    TGS-CO-ULV2

    REPLACEMENT SENSOR, CARBON MONOXIDE (CO), TGULV2, FOR TG PURCHASED AFTER 2/1/22
    £90.62 Price with VAT: £108.75 Buy Surplus As Low As £54.52 Price with VAT: £65.43
    £54.52 Price with VAT: £65.43
    SENVA CT1O-C3D

    SENVA

    CT1O-C3D

    CO2/TEMP OUTDOOR SENSOR, CT10 SERIES, LCD 100PT RTD, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY
    £301.34 Price with VAT: £361.61 Buy Surplus As Low As £181.25 Price with VAT: £217.50
    £181.25 Price with VAT: £217.50
    SENVA CT1D-K3D

    SENVA

    CT1D-K3D

    CO2/TEMP DUCT SENSOR, CT1D SERIES, LCD 20K THERMISTOR, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 20K
    £252.71 Price with VAT: £303.26 Buy Surplus As Low As £151.78 Price with VAT: £182.13
    £151.78 Price with VAT: £182.13
    SENVA CT1D-J3X

    SENVA

    CT1D-J3X

    CO2/TEMP DUCT SENSOR, CT1D SERIES, NO LCD 1K8 THERMISTOR, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T2
    £231.35 Price with VAT: £277.62 Buy Surplus As Low As £139.25 Price with VAT: £167.10
    £139.25 Price with VAT: £167.10
    SENVA CT1D-I3D

    SENVA

    CT1D-I3D

    CO2/TEMP DUCT SENSOR, CT1D SERIES, LCD 2K2 THERMISTOR, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 2.2K
    £252.71 Price with VAT: £303.26 Buy Surplus As Low As £151.78 Price with VAT: £182.13
    £151.78 Price with VAT: £182.13
    SENVA CT1O-I3X

    SENVA

    CT1O-I3X

    CO2/TEMP OUTDOOR SENSOR, CT10 SERIES, NO LCD, 2K2 THERMISTOR, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY
    £271.87 Price with VAT: £326.24 Buy Surplus As Low As £163.56 Price with VAT: £196.28
    £163.56 Price with VAT: £196.28
    SENVA CT1O-G3X

    SENVA

    CT1O-G3X

    CO2/TEMP OUTDOOR SENSOR, CT10 SERIES, NO LCD, 10K W/11K THERMISTOR
    £271.87 Price with VAT: £326.24 Buy Surplus As Low As £163.56 Price with VAT: £196.28
    £163.56 Price with VAT: £196.28
    SENVA CT1O-F3X

    SENVA

    CT1O-F3X

    CO2/TEMP OUTDOOR SENSOR, CT10 SERIES, NO LCD, 10K TYPE 3 THERMISTOR, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY
    £271.87 Price with VAT: £326.24 Buy Surplus As Low As £163.56 Price with VAT: £196.28
    £163.56 Price with VAT: £196.28
    SENVA CT1O-E3X

    SENVA

    CT1O-E3X

    CO2/TEMP OUTDOOR SENSOR, CT10 SERIES, NO LCD, 10K TYPE 2 THERMISTOR, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY
    £271.87 Price with VAT: £326.24 Buy Surplus As Low As £163.56 Price with VAT: £196.28
    £163.56 Price with VAT: £196.28
    SENVA TG0R-CC

    SENVA

    TG0R-CC

    CO RECESSED VALUE SENSOR, TOXIC GAS ROOM, CO 2W 4-20MA, GAS TYPE CO, OUTPUT 4-20MA 2-WIRE
    £265.97 Price with VAT: £319.17 Buy Surplus As Low As £159.88 Price with VAT: £191.86
    £159.88 Price with VAT: £191.86
    SENVA CT1R-E3X-D

    SENVA

    CT1R-E3X-D

    DUAL CHANNEL CO2 ROOM SENSOR, NO LCD, 10K TYPE 2, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T2
    £170.19 Price with VAT: £204.23 Buy Surplus As Low As £102.41 Price with VAT: £122.89
    £102.41 Price with VAT: £122.89
    SENVA CT1R-E3X

    SENVA

    CT1R-E3X

    CO2/TEMP SENSOR, NO LCD, 10K TYPE 2, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T2
    £141.46 Price with VAT: £169.75 Buy Surplus As Low As £85.47 Price with VAT: £102.56
    £85.47 Price with VAT: £102.56
    SENVA CT1R-E3D

    SENVA

    CT1R-E3D

    CO2/TEMP SENSOR, LCD 10K TYPE 2, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T2
    £207.03 Price with VAT: £248.44 Buy Surplus As Low As £124.51 Price with VAT: £149.42
    £124.51 Price with VAT: £149.42
    SENVA CT1R-D3D

    SENVA

    CT1R-D3D

    CO2/TEMP SENSOR, LCD 1000PT RTD, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 1000PT RTD
    £207.03 Price with VAT: £248.44 Buy Surplus As Low As £124.51 Price with VAT: £149.42
    £124.51 Price with VAT: £149.42
    SENVA CT1R-B3D-D

    SENVA

    CT1R-B3D-D

    DUAL CHANNEL CO2 ROOM SENSOR, LCD TEMP TRANSMITTER, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 0-5V/10V 4-20MA 3W
    £235.03 Price with VAT: £282.04 Buy Surplus As Low As £141.46 Price with VAT: £169.75
    £141.46 Price with VAT: £169.75
    SENVA CT1O-B3X

    SENVA

    CT1O-B3X

    CO2/TEMP OUTDOOR SENSOR, CT10 SERIES, NO LCD, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY
    £271.87 Price with VAT: £326.24 Buy Surplus As Low As £163.56 Price with VAT: £196.28
    £163.56 Price with VAT: £196.28
    SENVA CT1O-A3D

    SENVA

    CT1O-A3D

    CO2 OUTDOOR SENSOR, CT1O SERIES, POLYCARBONATE ENCLOSURE, NO TEMP, 3-WIRE 4-20 MA & 0-5V / 0-10V OUTPUT, 0-2000 / 0-5000 PPM SELECTABLE, SOLID STATE RELAY OUTPUT, FIELD REPLACEABLE DUAL-CHAN ...
    £311.40 Price with VAT: £373.68 Buy Surplus As Low As £186.84 Price with VAT: £224.21
    £186.84 Price with VAT: £224.21
    SENVA CT1D-H3X

    SENVA

    CT1D-H3X

    CO2/TEMP DUCT SENSOR, CT1D SERIES, NO LCD 3K THERMISTOR, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T2
    £231.35 Price with VAT: £277.62 Buy Surplus As Low As £139.25 Price with VAT: £167.10
    £139.25 Price with VAT: £167.10
    SENVA CT1D-G3D

    SENVA

    CT1D-G3D

    CO2/TEMP DUCT SENSOR, CT1D SERIES, LCD 10K W/11K THERMISTOR, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T3 W/11K
    £252.71 Price with VAT: £303.26 Buy Surplus As Low As £151.78 Price with VAT: £182.13
    £151.78 Price with VAT: £182.13
    SENVA CT1D-E3D

    SENVA

    CT1D-E3D

    CO2/TEMP DUCT SENSOR, CT1D SERIES, LCD 10K TYPE 2 THERMISTOR, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T2
    £252.71 Price with VAT: £303.26 Buy Surplus As Low As £151.78 Price with VAT: £182.13
    £151.78 Price with VAT: £182.13
    SENVA CT1W-B3D

    SENVA

    CT1W-B3D

    CO2/TEMP WALL SENSOR, SURFACE MOUNT LCD TEMP TRANSMITTER, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 0-5V/10V 4-20MA 3W
    £207.03 Price with VAT: £248.44 Buy Surplus As Low As £124.51 Price with VAT: £149.42
    £124.51 Price with VAT: £149.42
    SENVA CT1W-A3X-D

    SENVA

    CT1W-A3X-D

    DUAL CHANNEL CO2 ROOM SENSOR, WALL, NO LCD, NOTEMP, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR NO
    £151.04 Price with VAT: £181.25 Buy Surplus As Low As £90.62 Price with VAT: £108.75
    £90.62 Price with VAT: £108.75
    SENVA CT1W-E3D

    SENVA

    CT1W-E3D

    CO2/TEMP WALL SENSOR, LCD 10K TYPE 2, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T2
    £207.03 Price with VAT: £248.44 Buy Surplus As Low As £124.51 Price with VAT: £149.42
    £124.51 Price with VAT: £149.42
    SENVA CT1R-G3D

    SENVA

    CT1R-G3D

    CO2/TEMP SENSOR, LCD 10KT3 W/ 11K SHUNT, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T3 W/11K
    £207.03 Price with VAT: £248.44 Buy Surplus As Low As £124.51 Price with VAT: £149.42
    £124.51 Price with VAT: £149.42
    SENVA CT1R-F3X-D

    SENVA

    CT1R-F3X-D

    DUAL CHANNEL CO2 ROOM SENSOR, NO LCD, 10K TYPE 3, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T3
    £170.19 Price with VAT: £204.23 Buy Surplus As Low As £102.41 Price with VAT: £122.89
    £102.41 Price with VAT: £122.89
    SENVA CT1W-B3X

    SENVA

    CT1W-B3X

    CO2/TEMP WALL SENSOR,, NO LCD, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 0-5V/10V 4-20MA 3W
    £141.46 Price with VAT: £169.75 Buy Surplus As Low As £85.47 Price with VAT: £102.56
    £85.47 Price with VAT: £102.56
    SENVA CT1W-A3X

    SENVA

    CT1W-A3X

    CO2/TEMP WALL SENSOR, SURFACE MOUNT, NO LCD, NOTEMP, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR NO
    £128.94 Price with VAT: £154.72 Buy Surplus As Low As £77.36 Price with VAT: £92.83
    £77.36 Price with VAT: £92.83
    SENVA CT1R-C3D-D

    SENVA

    CT1R-C3D-D

    DUAL CHANNEL CO2 ROOM SENSOR, LCD 100PT RTD, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 100PT RTD
    £235.03 Price with VAT: £282.04 Buy Surplus As Low As £141.46 Price with VAT: £169.75
    £141.46 Price with VAT: £169.75
    SENVA CT1R-B3X

    SENVA

    CT1R-B3X

    CO2/TEMP SENSOR, NO LCD, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 0-5V/10V 4-20MA 3W
    £141.46 Price with VAT: £169.75 Buy Surplus As Low As £85.47 Price with VAT: £102.56
    £85.47 Price with VAT: £102.56
    SENVA CT1R-A3X

    SENVA

    CT1R-A3X

    CO2/TEMP SENSOR, NO LCD, NOTEMP, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR NO
    £128.94 Price with VAT: £154.72 Buy Surplus As Low As £77.36 Price with VAT: £92.83
    £77.36 Price with VAT: £92.83
    SENVA CT1R-A3D-D

    SENVA

    CT1R-A3D-D

    DUAL CHANNEL CO2 ROOM SENSOR, LCD NOTEMP, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR NO
    £229.14 Price with VAT: £274.96 Buy Surplus As Low As £137.78 Price with VAT: £165.33
    £137.78 Price with VAT: £165.33
    SENVA CT1O-C3X

    SENVA

    CT1O-C3X

    CO2/TEMP OUTDOOR SENSOR, CT10 SERIES, NO LCD, 100PT RTD, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY
    £271.87 Price with VAT: £326.24 Buy Surplus As Low As £163.56 Price with VAT: £196.28
    £163.56 Price with VAT: £196.28
    SENVA CT1O-B3D

    SENVA

    CT1O-B3D

    CO2/TEMP OUTDOOR SENSOR, CT10 SERIES, LCD TEMP TRANSMITTER, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY
    £301.34 Price with VAT: £361.61 Buy Surplus As Low As £181.25 Price with VAT: £217.50
    £181.25 Price with VAT: £217.50
    SENVA CT1D-J3D

    SENVA

    CT1D-J3D

    CO2/TEMP DUCT SENSOR, CT1D SERIES, LCD 1K8 THERMISTOR, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 1.8K
    £252.71 Price with VAT: £303.26 Buy Surplus As Low As £151.78 Price with VAT: £182.13
    £151.78 Price with VAT: £182.13
    SENVA CT1D-I3X

    SENVA

    CT1D-I3X

    CO2/TEMP DUCT SENSOR, CT1D SERIES, NO LCD 2K2 THERMISTOR, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T2
    £231.35 Price with VAT: £277.62 Buy Surplus As Low As £139.25 Price with VAT: £167.10
    £139.25 Price with VAT: £167.10
    SENVA CT1D-F3X

    SENVA

    CT1D-F3X

    CO2/TEMP DUCT SENSOR, CT1D SERIES, NO LCD 10K TYPE 3 THERMISTOR, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T2
    £231.35 Price with VAT: £277.62 Buy Surplus As Low As £139.25 Price with VAT: £167.10
    £139.25 Price with VAT: £167.10
    SENVA CT1O-E3D

    SENVA

    CT1O-E3D

    CO2/TEMP OUTDOOR SENSOR, CT10 SERIES, LCD 10K TYPE 2 THERMISTOR, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY
    £301.34 Price with VAT: £361.61 Buy Surplus As Low As £181.25 Price with VAT: £217.50
    £181.25 Price with VAT: £217.50
    SENVA CT1O-D3X

    SENVA

    CT1O-D3X

    CO2/TEMP OUTDOOR SENSOR, CT10 SERIES, NO LCD, 1000PT RTD, OUTPUT 0-5V,0-10V,4-20MA 3-WIRE, SETPOINT RELAY
    £271.87 Price with VAT: £326.24 Buy Surplus As Low As £163.56 Price with VAT: £196.28
    £163.56 Price with VAT: £196.28
    SENVA CT1D-G3X

    SENVA

    CT1D-G3X

    CO2/TEMP DUCT SENSOR, CT1D SERIES, NO LCD 10K W/11K THERMISTOR, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T2
    £231.35 Price with VAT: £277.62 Buy Surplus As Low As £139.25 Price with VAT: £167.10
    £139.25 Price with VAT: £167.10
    SENVA CT1D-E3X

    SENVA

    CT1D-E3X

    CO2/TEMP DUCT SENSOR, CT1D SERIES, NO LCD 10K TYPE 2 THERMISTOR, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T2
    £231.35 Price with VAT: £277.62 Buy Surplus As Low As £139.25 Price with VAT: £167.10
    £139.25 Price with VAT: £167.10
    SENVA CT1D-D3X

    SENVA

    CT1D-D3X

    CO2/TEMP DUCT SENSOR, CT1D SERIES,, NO LCD, 1000PT RTD, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 10K T2
    £231.35 Price with VAT: £277.62 Buy Surplus As Low As £139.25 Price with VAT: £167.10
    £139.25 Price with VAT: £167.10
    SENVA CT1D-C3D

    SENVA

    CT1D-C3D

    CO2/TEMP DUCT SENSOR, CT1D SERIES, LCD 100PT RTD, DUCT PROBE, OUTPUT 0-5V_0-10V_4-20MA 3-WIRE, SETPOINT RELAY, TEMP SENSOR 0-5V/10V 4-20MA 3W
    £252.71 Price with VAT: £303.26 Buy Surplus As Low As £151.78 Price with VAT: £182.13
    £151.78 Price with VAT: £182.13
    SENVA CO2R-A1

    SENVA

    CO2R-A1

    DISCONTINUED BY MANUFACTURER, ROOM CO2 SENSOR, ADJUSTABLE SETPOINT RELAY, 1 AMP, 30VAC/VDC
    Buy Surplus As Low As £186.25 Price with VAT: £223.50
    £186.25 Price with VAT: £223.50
    SENVA TGW-BC-S

    SENVA

    TGW-BC-S

    DISCONTINUED BY MANUFACTURER, GAS SENSOR, TG SERIES, CO SENSING, 2 ANALOG OUTPUTS, BCNET/MODBUS NETWORK COMMUNICATION
    Buy Surplus As Low As £469.07 Price with VAT: £562.89
    £469.07 Price with VAT: £562.89
    Repair Yours £440.59 Price with VAT: £528.71
    SENVA TG0R-CB

    SENVA

    TG0R-CB

    CO RECESSED VALUE SENSOR, TOXIC GAS ROOM, CO 0-10V, GAS TYPE CO, OUTPUT 0-10V
    £265.97 Price with VAT: £319.17 Buy Surplus As Low As £159.88 Price with VAT: £191.86
    £159.88 Price with VAT: £191.86
    Next
    1 2