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    Sensors & Switches / CO2 Sensor

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    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorised surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorised dealers. Because Radwell is not an authorised distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

    Filter Results
    Results 51-100 of 473.
    SIEMENS QPA2062

    SIEMENS

    SIEMENS INDUSTRY

    QPA2062

    SENSOR, ROOM CO2 + TEMP + RH, 0-10 V
    ✓ IN STOCK!
    £581.39 Price with VAT: £697.66 Buy Surplus As Low As £348.83 Price with VAT: £418.60
    £348.83 Price with VAT: £418.60
    SIEMENS QPA2282.EWSC

    SIEMENS

    SIEMENS INDUSTRY

    QPA2282.EWSC

    RM CO2+HUMIDITY+TEMP SENSOR, CO2+TMP, TEC/RJ11, BLANK FRNT
    ✓ IN STOCK!
    £427.72 Price with VAT: £513.26 Buy Surplus As Low As £206.04 Price with VAT: £247.25
    £206.04 Price with VAT: £247.25
    SIEMENS QPM2162

    SIEMENS

    SIEMENS INDUSTRY

    QPM2162

    DUCT AIR QUALITY SENSOR, CO2 + TEMP + RH SENSOR, 0-10V
    ✓ IN STOCK!
    £572.10 Price with VAT: £686.52 Buy Surplus As Low As £343.26 Price with VAT: £411.92
    £343.26 Price with VAT: £411.92
    AMPHENOL 87N53

    AMPHENOL

    TELAIRE

    87N53

    VENTILATION CONTROLLER / CO2, SINGLE CHANNEL, W/O DISPLAY
    ✓ IN STOCK!
    £303.77 Price with VAT: £364.52 Buy Surplus As Low As £197.22 Price with VAT: £236.66
    £197.22 Price with VAT: £236.66
    DRAGER 8317637

    DRAGER

    8317637

    DISCONTINUED BY MANUFACTURER, GAS DETECTOR, TRANSMITTER, CABLE CONNECTION M20, POLYTRON 7000
    ✓ IN STOCK!
    Buy Surplus As Low As £1,237.81 Price with VAT: £1,485.37
    £1,237.81 Price with VAT: £1,485.37
    FIRST ALERT CO400

    FIRST ALERT

    CO400

    CARBON MONOXIDE ALARM
    ✓ IN STOCK!
    Buy Surplus As Low As £9.07 Price with VAT: £10.88
    £9.07 Price with VAT: £10.88
    DRAGER 4543060

    DRAGER

    4543060

    DISCONTINUED BY MANUFACTURER, FIXED GAS DETECTOR, POLYTRON, 2XP EX, SENSING HEAD, WITH CATALYTIC BEAD SENSOR, WITHOUT RELAYS, ATEX, CSA
    ✓ IN STOCK!
    Buy Surplus As Low As £363.92 Price with VAT: £436.71
    £363.92 Price with VAT: £436.71
    Repair Yours £302.06 Price with VAT: £362.47
    UNITED TECHNOLOGIES 33ZCT55C02

    UNITED TECHNOLOGIES

    CARRIER

    33ZCT55C02

    DISCONTINUED BY MANUFACTURER, SENSOR, CO2 AND SPACE TEMPERATURE, W/ OVERRIDE, SINGLE BEAM ABSORPTION INFRARED SENSING, 0 TO 2000 PPM RANGE, 10 K OHM THERMISTOR, 18-30 VAC, 50/60 HZ, 2.75 VA ...
    ✓ IN STOCK!
    Buy Surplus As Low As £854.28 Price with VAT: £1,025.14
    £854.28 Price with VAT: £1,025.14
    Repair Yours £454.45 Price with VAT: £545.34
    HONEYWELL CO1224T

    HONEYWELL

    SYSTEM SENSOR

    CO1224T

    CARBON MONOXIDE DETECTOR, W/TEST, 4 WIRE, 12-24 V DC, 0.5 AMP, 20 MA IN STANDBY, 40 MA IN ALARM
    ✓ IN STOCK!
    £101.94 Price with VAT: £122.33 Buy Surplus As Low As £61.74 Price with VAT: £74.09
    £61.74 Price with VAT: £74.09
    HONEYWELL CO1224T

    HONEYWELL

    NOTIFIER CO

    CO1224T

    DISCONTINUED BY MANUFACTURER, NOTIFIER PLUG-IN SMOKE DETECTORS, CONVENTIONAL CARBON MONOXIDE DETECTOR, 12/24 VDC, WITH SOUNDER AND TROUBLE RELAY WITH TEST FUNCTION; UL2075 LISTED
    ✓ IN STOCK!
    Buy Surplus As Low As £120.91 Price with VAT: £145.09
    £120.91 Price with VAT: £145.09
    TELEDYNE ANALYTICAL INSTRUMENTS C40371-F1R

    TELEDYNE ANALYTICAL INSTRUMENTS

    C40371-F1R

    GAS SENSOR, CARBON MONOXIDE, 3-PIN, CELL STYLE
    ✓ IN STOCK!
    £157.75 Price with VAT: £189.30 Buy Surplus As Low As £71.59 Price with VAT: £85.91
    £71.59 Price with VAT: £85.91
    HONEYWELL 1508A2001

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2001

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, ANALOG
    ✓ IN STOCK!
    £264.49 Price with VAT: £317.39 Buy Surplus As Low As £131.86 Price with VAT: £158.23
    £131.86 Price with VAT: £158.23
    Repair Yours £150.00 Price with VAT: £180.00
    HONEYWELL MIDAS-E-HCN

    HONEYWELL

    HONEYWELL ANALYTICS

    MIDAS-E-HCN

    HYDROGEN CYANIDE (HCN)
    ✓ IN STOCK!
    £536.95 Price with VAT: £644.34 Buy Surplus As Low As £322.17 Price with VAT: £386.61
    £322.17 Price with VAT: £386.61
    AMPHENOL 1508

    AMPHENOL

    TELAIRE

    1508

    ASPIRATION BOX IN-DUCT CO2 SAMPLING FOR 400FPM+ RATES 1INCH PROBE
    ✓ IN STOCK!
    £191.57 Price with VAT: £229.89 Buy Surplus As Low As £146.54 Price with VAT: £175.85
    £146.54 Price with VAT: £175.85
    AMPHENOL T8100

    AMPHENOL

    TELAIRE

    T8100

    VENTILATION CONTROLLER CO2 DUCT MOUNT W/ LCD DISPLAY
    ✓ IN STOCK!
    £299.18 Price with VAT: £359.01 Buy Surplus As Low As £149.59 Price with VAT: £179.51
    £149.59 Price with VAT: £179.51
    DET TRONICS 225006-002

    DET TRONICS

    225006-002

    DISCONTINUED BY MANUFACTURER, GAS SENSOR, 3/4NPT, 3 WIRE
    ✓ IN STOCK!
    Buy Surplus As Low As £127.33 Price with VAT: £152.80
    £127.33 Price with VAT: £152.80
    GENERAL MONITORS INC S4000TH-1-0-01-1

    GENERAL MONITORS INC

    S4000TH-1-0-01-1

    DISCONTINUED BY MANUFACTURER, GAS DETECTION UNIT, INTELLIGENT SENSOR, 24 VDC, 7 WATT MAX
    ✓ IN STOCK!
    Buy Surplus As Low As £2,348.74 Price with VAT: £2,818.49
    £2,348.74 Price with VAT: £2,818.49
    Repair Yours £1,658.00 Price with VAT: £1,989.60
    AERIONICS 70-0714-0204-7

    AERIONICS

    70-0714-0204-7

    AERIONICS, 70-0714-0204-7, 70071402047, GAS MONITOR, CARBON MONOXIDE, PORTABLE, MACURCO MODEL CM-1, DETECTION RANGE 0-995 PPM,FLASHING LCD DISPLAY AND RED LED,ALARMS 35 PPM (LOW), 200 PPM (H ...
    ✓ IN STOCK!
    £85.20 Price with VAT: £102.24 Buy Surplus As Low As £48.14 Price with VAT: £57.77
    £48.14 Price with VAT: £57.77
    RKI INSTRUMENTS 65-2003RK

    RKI INSTRUMENTS

    65-2003RK

    SENSOR, CARBON MONOXIDE (CO), ES-81, GX-82
    ✓ IN STOCK!
    £123.14 Price with VAT: £147.77 Buy Surplus As Low As £68.22 Price with VAT: £81.87
    £68.22 Price with VAT: £81.87
    THERMO FISHER SCIENTIFIC 65-2426-01

    THERMO FISHER SCIENTIFIC

    65-2426-01

    CARBON MONOXIDE (CO) SENSOR
    ✓ IN STOCK!
    £232.67 Price with VAT: £279.20 Buy Surplus As Low As £128.91 Price with VAT: £154.70
    £128.91 Price with VAT: £154.70
    Repair Yours £150.00 Price with VAT: £180.00
    AUTOMATION COMPONENTS INC A/CO2-DUCT

    AUTOMATION COMPONENTS INC

    A/CO2-DUCT

    CARBON DIOXIDE SENSOR, SERIES A/CO2, CO2 DUCT, 0-2000 PPM, FIELD SELECTABLE OUTPUTS: 0-5 V/0-10 V, FACTORY DEFAULT OUTPUT: 4-20MA, INFRARED SENSING TECHNOLOGY, SINGLE BEAM, 24 VAC / 16.5-40 ...
    ✓ IN STOCK!
    £293.96 Price with VAT: £352.75 Buy Surplus As Low As £176.83 Price with VAT: £212.20
    £176.83 Price with VAT: £212.20
    AUTOMATION COMPONENTS INC TSENSE

    AUTOMATION COMPONENTS INC

    TSENSE

    CARBON DIOXIDE SENSOR, ANALOG AND MODBUS, 32F TO 122F OPERATING TEMPERATURE, RH/TEMP, RELAY, BACNET, 24 VAC/DC
    ✓ IN STOCK!
    £507.82 Price with VAT: £609.39 Buy Surplus As Low As £289.62 Price with VAT: £347.54
    £289.62 Price with VAT: £347.54
    Repair Yours £203.36 Price with VAT: £244.04
    KELE & ASSOCIATES KCOC-CO2-D-V

    KELE & ASSOCIATES

    KCOC-CO2-D-V

    0-10VDC CO2 SENSOR LED DUCTMNT
    ✓ IN STOCK!
    £476.08 Price with VAT: £571.30 Buy Surplus As Low As £314.37 Price with VAT: £377.24
    £314.37 Price with VAT: £377.24
    HONEYWELL C7242B1012

    HONEYWELL

    C7242B1012

    CO2 MONITOR/CONTROLLER
    ✓ IN STOCK!
    £282.35 Price with VAT: £338.83 Buy Surplus As Low As £156.43 Price with VAT: £187.72
    £156.43 Price with VAT: £187.72
    Repair Yours £150.00 Price with VAT: £180.00
    AMPHENOL T8300-B

    AMPHENOL

    TELAIRE

    T8300-B

    CO2 TRANSMITTER, SINGLE CHANNEL, WALL MOUNT, WITH PITOT TUBE, BLACK ENCLOSURE
    ✓ IN STOCK!
    £385.57 Price with VAT: £462.68 Buy Surplus As Low As £188.24 Price with VAT: £225.89
    £188.24 Price with VAT: £225.89
    Repair Yours £164.05 Price with VAT: £196.86
    CROWCON DETECTION INSTRUMENTS S01171

    CROWCON DETECTION INSTRUMENTS

    S01171

    CARBON MONOXIDE SENSOR
    ✓ IN STOCK!
    £110.14 Price with VAT: £132.17 Buy Surplus As Low As £23.06 Price with VAT: £27.67
    £23.06 Price with VAT: £27.67
    Repair Yours Contact Us
    AMPHENOL T8200-HD

    AMPHENOL

    T8200-HD

    VENTOSTAT, 24 OCCUPANCY CO2/PA TEMP/RH, DISPLAY
    ✓ IN STOCK!
    £502.89 Price with VAT: £603.47 Buy Surplus As Low As £296.53 Price with VAT: £355.84
    £296.53 Price with VAT: £355.84
    HONEYWELL 129431-L3

    HONEYWELL

    NOTIFIER CO

    129431-L3

    CARBON MONOXIDE SENSORS, SERIES S301D2CO, EXPLOSION PROOF SENSOR
    ✓ IN STOCK!
    £1,317.76 Price with VAT: £1,581.31 Buy Surplus As Low As £559.41 Price with VAT: £671.29
    £559.41 Price with VAT: £671.29
    HANSEN TECHNOLOGIES HSC4H-F3K/R22

    HANSEN TECHNOLOGIES

    HSC4H-F3K/R22

    HALOCARBON SENSORS, HARSH, SEMICONDUCTOR, PPM RANGE3000, TO 40F(40C)
    ✓ IN STOCK!
    £753.13 Price with VAT: £903.76 Buy Surplus As Low As £348.26 Price with VAT: £417.91
    £348.26 Price with VAT: £417.91
    Repair Yours £289.05 Price with VAT: £346.86
    HANSEN TECHNOLOGIES HSC4H-F3K/R404

    HANSEN TECHNOLOGIES

    HSC4H-F3K/R404

    HALOCARBON SENSORS, HARSH, SEMICONDUCTOR, PPM RANGE3000, TO 40F(40C)
    ✓ IN STOCK!
    £753.13 Price with VAT: £903.76 Buy Surplus As Low As £348.26 Price with VAT: £417.91
    £348.26 Price with VAT: £417.91
    Repair Yours £289.05 Price with VAT: £346.86
    BRK ELECTRONICS SC-9120B

    BRK ELECTRONICS

    SC-9120B

    SMOKE & CARBON MONOXIDE ALARM, HARDWIRED, WITH BATTERY BACKUP, PLASTIC, 9V
    ✓ IN STOCK!
    £49.12 Price with VAT: £58.94 Buy Surplus As Low As £37.78 Price with VAT: £45.34
    £37.78 Price with VAT: £45.34
    CORNELL DUBILIER US42

    CORNELL DUBILIER

    MALLORY SONALERT

    US42

    CARBON CONTROL, 3 AMPS PER POLE, 125 VAC
    ✓ IN STOCK!
    £3.84 Price with VAT: £4.61 Buy Surplus As Low As £1.81 Price with VAT: £2.17
    £1.81 Price with VAT: £2.17
    DRAGER 8317710

    DRAGER

    8317710

    GAS DETECTOR, POLYTRON 7000, 30VAC, 0.3A, 2-WIRE, GLASS FIBRE REINFORCED POLYESTER
    ✓ IN STOCK!
    £2,062.00 Price with VAT: £2,474.40 Buy Surplus As Low As £1,238.00 Price with VAT: £1,485.60
    £1,238.00 Price with VAT: £1,485.60
    Repair Yours £1,028.00 Price with VAT: £1,233.60
    HONEYWELL SPXCDXSFXSS

    HONEYWELL

    NOTIFIER CO

    SPXCDXSFXSS

    XCD CONSUMABLES CLASS I, DIV. 2, FLAMMABLE CAT 0-100% LEL (20 TO 100.0%LEL)
    ✓ IN STOCK!
    £655.54 Price with VAT: £786.65 Buy Surplus As Low As £384.83 Price with VAT: £461.80
    £384.83 Price with VAT: £461.80
    LENNOX 77N39

    LENNOX

    77N39

    CO2 DETECTOR, WHITE, WALL MOUNT, LCD DISPLAY
    ✓ IN STOCK!
    £605.15 Price with VAT: £726.17 Buy Surplus As Low As £363.08 Price with VAT: £435.70
    £363.08 Price with VAT: £435.70
    MSA 488907

    MSA

    488907

    DISCONTINUED BY MANUFACTURER, CO2-HP DETECTOR TUBES, BOX OF 10
    ✓ IN STOCK!
    £128.22 Price with VAT: £153.87 Buy Surplus As Low As £75.32 Price with VAT: £90.38
    £75.32 Price with VAT: £90.38
    SIEMENS QPM2162D

    SIEMENS

    SIEMENS INDUSTRY

    QPM2162D

    DUCT AIR QUALITY SENSOR,CO2 + TMP + RH SNSR, 0-10V, DISPLAY
    ✓ IN STOCK!
    £698.33 Price with VAT: £838.00 Buy Surplus As Low As £275.30 Price with VAT: £330.36
    £275.30 Price with VAT: £330.36
    SIEMENS QPA2080

    SIEMENS

    SIEMENS INDUSTRY

    QPA2080

    ROOM CO2 ACTIVE AND TEMPERATURE PASSIVE
    ✓ IN STOCK!
    £430.74 Price with VAT: £516.89 Buy Surplus As Low As £299.73 Price with VAT: £359.67
    £299.73 Price with VAT: £359.67
    HONEYWELL 61010-1

    HONEYWELL

    61010-1

    DISCONTINUED BY MANUFACTURER, GAS SENSOR, NEMKO, IAQ POINT-D, CO2, FIXED, SINGLE, 10 VA, 0.5 AMP, 20-30 VAC, 18-30 VDC, 50/60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As £179.68 Price with VAT: £215.62
    £179.68 Price with VAT: £215.62
    Repair Yours £156.60 Price with VAT: £187.92
    MSA A-ULTX-SENS-12-0-0

    MSA

    A-ULTX-SENS-12-0-0

    GAS SENSOR, ULTIMA X SERIES, 0-500 PPM, CARBON MONOXIDE, GENERAL PURPOSE
    ✓ IN STOCK!
    £1,374.53 Price with VAT: £1,649.44 Buy Surplus As Low As £877.98 Price with VAT: £1,053.58
    £877.98 Price with VAT: £1,053.58
    Repair Yours £750.23 Price with VAT: £900.28
    INGERSOLL RAND SEN01087

    INGERSOLL RAND

    TRANE

    SEN01087

    DISCONTINUED BY MANUFACTURER, CO2 SENSOR, SERVICE FIRST, 8 DO, 4-20 MA, 0-10 VDC, NON-DISPERSIVE INFRARED TECNOLOGY / NDIR, WALL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As £199.68 Price with VAT: £239.62
    £199.68 Price with VAT: £239.62
    Repair Yours £150.00 Price with VAT: £180.00
    JOHNSON CONTROLS NSB8BNC040-0

    JOHNSON CONTROLS

    NSB8BNC040-0

    NETWORK CO2 SENSOR, NS SERIES, 0-2000 PPM, BACNET MS/TP, JCI LOGO, REPLACES NS-BCN7004-0
    ✓ IN STOCK!
    £362.77 Price with VAT: £435.32 Buy Surplus As Low As £217.66 Price with VAT: £261.19
    £217.66 Price with VAT: £261.19
    Repair Yours £191.94 Price with VAT: £230.33
    BACHARACH 51-1734

    BACHARACH

    51-1734

    DISCONTINUED BY MANUFACTURER, COMBUSTIBLE GAS DETECTOR, SENSOR, ELEMENT NO. 51-1861
    ✓ IN STOCK!
    Buy Surplus As Low As £60.30 Price with VAT: £72.36
    £60.30 Price with VAT: £72.36
    DRAGER 6813095

    DRAGER

    6813095

    DISCONTINUED BY MANUFACTURER, GAS SENSOR, NH3TL, ELECTROCHEMICAL SENSOR, TARGET GAS AMMONIA, 1-300PPM, ADDITIONAL GASES AMINES
    ✓ IN STOCK!
    Buy Surplus As Low As £667.43 Price with VAT: £800.92
    £667.43 Price with VAT: £800.92
    KELE & ASSOCIATES KCD-W-V

    KELE & ASSOCIATES

    KCD-W-V

    CARBON DIOXIDE SENSOR, WALL MOUNT, 0-10 VDC, 0-2000 PPM, 0 RELAY
    ✓ IN STOCK!
    £202.52 Price with VAT: £243.03 Buy Surplus As Low As £103.13 Price with VAT: £123.75
    £103.13 Price with VAT: £123.75
    BEACONMEDAES 4107213107

    BEACONMEDAES

    4107213107

    DISCONTINUED BY MANUFACTURER, CARBON DIOXIDE SENSOR, MEGA 3,
    ✓ IN STOCK!
    Buy Surplus As Low As £227.46 Price with VAT: £272.95
    £227.46 Price with VAT: £272.95
    Repair Yours £177.47 Price with VAT: £212.96
    HONEYWELL S301-IRF-R134A

    HONEYWELL

    GAMEWELL-FCI

    S301-IRF-R134A

    REFRIGERANT GAS SENSOR, 10 VDC, 700 MA, FOR USE WITH 301-EM (0-100 PPM)
    ✓ IN STOCK!
    £2,021.14 Price with VAT: £2,425.37 Buy Surplus As Low As £1,463.48 Price with VAT: £1,756.18
    £1,463.48 Price with VAT: £1,756.18
    Repair Yours £1,039.84 Price with VAT: £1,247.81
    AIRTEST TR9294-A-L

    AIRTEST

    TR9294-A-L

    CO2 WALL TRANSMITTER, W/ DISPLAY, 2000 PPM, 0-5V, DUAL OUT
    ✓ IN STOCK!
    £341.46 Price with VAT: £409.76 Buy Surplus As Low As £181.89 Price with VAT: £218.26
    £181.89 Price with VAT: £218.26
    GENERAL MONITORS INC 11159-1

    GENERAL MONITORS INC

    11159-1

    GAS SENSOR, CONTINUOUS DIFFUSION, LOW TEMP CATALYTIC BEAD, HIGH TEMP HYDROCARBON SENSORS, 6-SECOND RESPONSE TIME(CSA), <10 SECONDS RESPONSE TIME(ATEX), STAINLESS STEEL BODY, MAX 120 DEG C, 0 ...
    ✓ IN STOCK!
    £1,450.08 Price with VAT: £1,740.09 Buy Surplus As Low As £828.12 Price with VAT: £993.74
    £828.12 Price with VAT: £993.74
    Repair Yours £680.87 Price with VAT: £817.05
    PUREGAS 51252

    PUREGAS

    51252

    DISCONTINUED BY MANUFACTURER, CO2/H2O ABSORBER-DRYERS, 12" LENGTH
    ✓ IN STOCK!
    Buy Surplus As Low As £84.40 Price with VAT: £101.28
    £84.40 Price with VAT: £101.28
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