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    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.

    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.

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    HONEYWELL S301-IRF-1233ZD

    HONEYWELL

    HONEYWELL ANALYTICS

    S301-IRF-1233ZD

    1233ZD GAS SENSOR
    £2,590.87 Price with VAT: £3,109.04 Buy Surplus As Low As £1,554.67 Price with VAT: £1,865.61
    £1,554.67 Price with VAT: £1,865.61
    HONEYWELL S3KXSC1SS

    HONEYWELL

    S3KXSC1SS

    CO CARTRIDGE 1-500PPM
    £686.75 Price with VAT: £824.11 Buy Surplus As Low As £412.36 Price with VAT: £494.83
    £412.36 Price with VAT: £494.83
    HONEYWELL S3KXSA2SS

    HONEYWELL

    HONEYWELL ANALYTICS

    S3KXSA2SS

    AMMONIA CARTRIDGE 200-1000PPM
    £998.30 Price with VAT: £1,197.95 Buy Surplus As Low As £599.58 Price with VAT: £719.50
    £599.58 Price with VAT: £719.50
    HONEYWELL SPSTAXH1

    HONEYWELL

    HONEYWELL ANALYTICS

    SPSTAXH1

    HYDROGEN SULFIDE SENS 0-50PPM
    £679.17 Price with VAT: £815.01 Buy Surplus As Low As £407.81 Price with VAT: £489.37
    £407.81 Price with VAT: £489.37
    HONEYWELL TR50-5N

    HONEYWELL

    TR50-5N

    INDOOR AIR QUALITY SENSOR, TR50 SERIES, DETECTION PARAMETERS: TEMPERATURE / RELATIVE HUMIDITY / CARBON DIOXIDE / PARTICULAR MATTER (PM1 PM2.5 AND PM10) & TOTAL VOLATILE ORGANIC COMPOUND
    £563.20 Price with VAT: £675.84 Buy Surplus As Low As £338.07 Price with VAT: £405.69
    £338.07 Price with VAT: £405.69
    HONEYWELL TR50-3N

    HONEYWELL

    TR50-3N

    INDDOR AIR QUALITY SENSOR, TR50 SERIES, DETECTION PARAMETERS: TEMPERATURE / RELATIVE HUMIDITY / CARBON DIOXIDE / PARTICULAR MATTER (PM1 PM2.5 AND PM10) & TOTAL VOLATILE ORGANIC COMPOUND
    £308.51 Price with VAT: £370.21 Buy Surplus As Low As £185.71 Price with VAT: £222.85
    £185.71 Price with VAT: £222.85
    HONEYWELL 1039727

    HONEYWELL

    RESIDEO

    1039727

    BATT OP CO2 ALARM W/ DIGITAL DISPLAY
    £35.38 Price with VAT: £42.46 Buy Surplus As Low As £21.23 Price with VAT: £25.48
    £21.23 Price with VAT: £25.48
    HONEYWELL CO250B

    HONEYWELL

    RESIDEO

    CO250B

    BASIC BATTERY-OPERATED CARBON MONOXIDE ALARM
    £20.83 Price with VAT: £25.00 Buy Surplus As Low As £12.50 Price with VAT: £15.00
    £12.50 Price with VAT: £15.00
    HONEYWELL M-700096

    HONEYWELL

    M-700096

    DISCONTINUED BY MANUFACTURER, CO2 SENSOR, MODEL # IR-F9-CO2
    Buy Surplus As Low As £1,030.23 Price with VAT: £1,236.28
    £1,030.23 Price with VAT: £1,236.28
    Repair Yours £815.49 Price with VAT: £978.58
    HONEYWELL SPXCDXSB2SS

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SPXCDXSB2SS

    CARBON DIOXIDE, IR 0-5.00%, V/V ONLY
    £1,023.31 Price with VAT: £1,227.97 Buy Surplus As Low As £613.99 Price with VAT: £736.78
    £613.99 Price with VAT: £736.78
    Repair Yours £510.14 Price with VAT: £612.17
    HONEYWELL SPXCDXSFXSS

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SPXCDXSFXSS

    CARTRIDGE, GNRL, TYPE: SNSR, GENERAL NOTE: COMBUST, CATALYTIC 0-100% LEL, 20.0 TO 100.0%
    £826.71 Price with VAT: £992.06 Buy Surplus As Low As £496.02 Price with VAT: £595.23
    £496.02 Price with VAT: £595.23
    HONEYWELL HNW9602-5800

    HONEYWELL

    HNW9602-5800

    SATELLITE XT 4-20 GASS DETECTION SENSOR
    £418.42 Price with VAT: £502.10 Buy Surplus As Low As £250.90 Price with VAT: £301.08
    £250.90 Price with VAT: £301.08
    Repair Yours £227.40 Price with VAT: £272.88
    HONEYWELL MINIRAE 3000

    HONEYWELL

    MINIRAE 3000

    MINIRAE 3000 MONITOR
    £5,042.43 Price with VAT: £6,050.91 Buy Surplus As Low As £3,025.46 Price with VAT: £3,630.55
    £3,025.46 Price with VAT: £3,630.55
    HONEYWELL 1309A0036

    HONEYWELL

    NOTIFIER CO

    1309A0036

    E³POINT SENSOR CARTRIDGE PART NUMBERS, E302 - OXYGEN (O2); -40° TO 50°C (-40° TO 122°F)
    £483.40 Price with VAT: £580.08 Buy Surplus As Low As £290.36 Price with VAT: £348.43
    £290.36 Price with VAT: £348.43
    HONEYWELL 1309A0056

    HONEYWELL

    NOTIFIER CO

    1309A0056

    E³POINT REMOTE GAS SENSOR (FOR USE WITH E³POINT ANALOG UNITS ONLY), E3SRMO2 - E³POINT REMOTE SENSOR, OXYGEN (O2)
    £500.28 Price with VAT: £600.34 Buy Surplus As Low As £300.17 Price with VAT: £360.20
    £300.17 Price with VAT: £360.20
    HONEYWELL ECO-D-B-12-41

    HONEYWELL

    NOTIFIER CO

    ECO-D-B-12-41

    DUAL GAS, METHANE (CH4) 0-100% LEL + CARBON MONOXIDE (CO) 0-500 PPM
    £5,402.32 Price with VAT: £6,482.78 Buy Surplus As Low As £3,242.00 Price with VAT: £3,890.40
    £3,242.00 Price with VAT: £3,890.40
    Repair Yours £2,690.92 Price with VAT: £3,229.11
    HONEYWELL ECO-D-B-41

    HONEYWELL

    NOTIFIER CO

    ECO-D-B-41

    SINGLE GAS, CARBON MONOXIDE (CO) 0-500 PPM
    £3,376.92 Price with VAT: £4,052.31 Buy Surplus As Low As £2,026.15 Price with VAT: £2,431.38
    £2,026.15 Price with VAT: £2,431.38
    Repair Yours £1,682.02 Price with VAT: £2,018.42
    HONEYWELL ECO-D-B-41-43

    HONEYWELL

    NOTIFIER CO

    ECO-D-B-41-43

    DUAL GAS, CARBON MONOXIDE (CO) 0-500 PPM + HYDROGEN SULFIDE (H2S) 0-100 PPM
    £5,243.13 Price with VAT: £6,291.76 Buy Surplus As Low As £3,146.49 Price with VAT: £3,775.78
    £3,146.49 Price with VAT: £3,775.78
    Repair Yours £2,612.09 Price with VAT: £3,134.51
    HONEYWELL ECO-D-B-41-45

    HONEYWELL

    NOTIFIER CO

    ECO-D-B-41-45

    DUAL GAS, CARBON MONOXIDE (CO) 0-500 PPM + NITROGEN DIOXIDE (NO2) 0-10 PPM
    £6,498.39 Price with VAT: £7,798.07 Buy Surplus As Low As £3,899.19 Price with VAT: £4,679.03
    £3,899.19 Price with VAT: £4,679.03
    Repair Yours £3,236.69 Price with VAT: £3,884.03
    HONEYWELL ECO-SC-41-43

    HONEYWELL

    NOTIFIER CO

    ECO-SC-41-43

    SINGLE GAS REPLACEMENT CARTRIDGES, CARBON MONOXIDE (CO) 0-500 PPM + (H2S) 0
    £2,465.04 Price with VAT: £2,958.05 Buy Surplus As Low As £1,479.63 Price with VAT: £1,775.56
    £1,479.63 Price with VAT: £1,775.56
    Repair Yours £1,228.73 Price with VAT: £1,474.48
    HONEYWELL M-509320

    HONEYWELL

    NOTIFIER CO

    M-509320

    AMMONIA (NH3), 0/100 PPM, NEMA 1 ENCLOSURE
    £1,776.01 Price with VAT: £2,131.21 Buy Surplus As Low As £1,065.76 Price with VAT: £1,278.91
    £1,065.76 Price with VAT: £1,278.91
    Repair Yours £884.59 Price with VAT: £1,061.51
    HONEYWELL M-509332

    HONEYWELL

    NOTIFIER CO

    M-509332

    AMMONIA (NH3), 0/100 PPM, ATMOS, NEMA 1 ENCLOSURE
    £2,160.32 Price with VAT: £2,592.38 Buy Surplus As Low As £1,296.19 Price with VAT: £1,555.43
    £1,296.19 Price with VAT: £1,555.43
    Repair Yours £1,076.37 Price with VAT: £1,291.64
    HONEYWELL M-509334

    HONEYWELL

    NOTIFIER CO

    M-509334

    EC-F9-NH3-0/1000-N1 - AMMONIA (NH3), 0/1,000 PPM, NEMA 1 ENCLOSURE
    £2,219.44 Price with VAT: £2,663.33 Buy Surplus As Low As £1,331.82 Price with VAT: £1,598.18
    £1,331.82 Price with VAT: £1,598.18
    Repair Yours £1,105.93 Price with VAT: £1,327.12
    HONEYWELL M-509337

    HONEYWELL

    NOTIFIER CO

    M-509337

    EC-F9-NH3-0/1000-ATMOS-N1 - AMMONIA (NH3), 0/1,000 PPM ATMOS-NEMA 1 ENCLOSURE
    £2,603.75 Price with VAT: £3,124.50 Buy Surplus As Low As £1,562.25 Price with VAT: £1,874.70
    £1,562.25 Price with VAT: £1,874.70
    Repair Yours £1,296.95 Price with VAT: £1,556.34
    HONEYWELL M-509929

    HONEYWELL

    NOTIFIER CO

    M-509929

    EC-F2-NO2-0/10-ATMOS-N1 - NITROGEN DIOXIDE (NO2), 0/10PPM, ATMOS, NEMA 1 ENCLOSURE
    £2,525.68 Price with VAT: £3,030.82 Buy Surplus As Low As £1,516.01 Price with VAT: £1,819.22
    £1,516.01 Price with VAT: £1,819.22
    Repair Yours £1,258.29 Price with VAT: £1,509.95
    HONEYWELL M-511010

    HONEYWELL

    NOTIFIER CO

    M-511010

    EC-F9-EM SENSORS FOR AMMONIA (NH3) DETECTION FOR USE WITH 301EM-20, EC-F9-NH3-0/500-N1-EM - AMMONIA (NH3) MONITOR, 4-20MA, VULBUS 0-500 PPM, NEMA 1 ENCL.
    £1,992.04 Price with VAT: £2,390.45 Buy Surplus As Low As £1,195.38 Price with VAT: £1,434.45
    £1,195.38 Price with VAT: £1,434.45
    Repair Yours £992.23 Price with VAT: £1,190.68
    HONEYWELL M-511013

    HONEYWELL

    NOTIFIER CO

    M-511013

    EC-F2-RT-NH3-ATMOS - REPLACEMENT AMMONIA (NH3) TRANSMITTER, ATMOS (SPECIFY RANGE)
    £1,840.44 Price with VAT: £2,208.53 Buy Surplus As Low As £1,104.42 Price with VAT: £1,325.30
    £1,104.42 Price with VAT: £1,325.30
    Repair Yours £917.19 Price with VAT: £1,100.63
    HONEYWELL M-511017

    HONEYWELL

    NOTIFIER CO

    M-511017

    EC-F9-NH3-0/250-ATMOS-LCD-N1 - AMMONIA (NH3), 0/250 PPM, ATMOS, LCD, NEMA 1 ENCLOSURE
    £2,347.55 Price with VAT: £2,817.06 Buy Surplus As Low As £1,409.14 Price with VAT: £1,690.96
    £1,409.14 Price with VAT: £1,690.96
    Repair Yours £1,169.60 Price with VAT: £1,403.53
    HONEYWELL M-511071

    HONEYWELL

    NOTIFIER CO

    M-511071

    EC-F9-EM SENSORS FOR AMMONIA (NH3) DETECTION FOR USE WITH 301EM-20, EC-F9-NH3-0/100-N1-EM - AMMONIA (NH3) MONITOR, 4-20MA, VULBUS, 0-100 PPM, NEMA 1 ENCL.
    £1,992.04 Price with VAT: £2,390.45 Buy Surplus As Low As £1,195.38 Price with VAT: £1,434.45
    £1,195.38 Price with VAT: £1,434.45
    Repair Yours £992.23 Price with VAT: £1,190.68
    HONEYWELL M-511276

    HONEYWELL

    NOTIFIER CO

    M-511276

    AMMONIA (NH3), 0/100 PPM, LCD, NEMA 1 ENCLOSURE
    £1,964.00 Price with VAT: £2,356.80 Buy Surplus As Low As £1,178.70 Price with VAT: £1,414.44
    £1,178.70 Price with VAT: £1,414.44
    Repair Yours £978.59 Price with VAT: £1,174.30
    HONEYWELL M-511917

    HONEYWELL

    NOTIFIER CO

    M-511917

    AMMONIA (NH3), 0/100 PPM, LCD, STAINLESS STEEL ENCLOSURE
    £2,338.45 Price with VAT: £2,806.14 Buy Surplus As Low As £1,403.07 Price with VAT: £1,683.69
    £1,403.07 Price with VAT: £1,683.69
    Repair Yours £1,165.06 Price with VAT: £1,398.07
    HONEYWELL M-600043

    HONEYWELL

    NOTIFIER CO

    M-600043

    EC-F2-RC-NH3 - REPLACEMENT AMMONIA (NH3) HIGH RANGE CELL
    £799.70 Price with VAT: £959.64 Buy Surplus As Low As £479.82 Price with VAT: £575.78
    £479.82 Price with VAT: £575.78
    Repair Yours £398.71 Price with VAT: £478.45
    HONEYWELL M-600045

    HONEYWELL

    NOTIFIER CO

    M-600045

    EC-F2-NH3-RC-EXP - REPLACEMENT AMMONIA (NH3) CELL
    £760.28 Price with VAT: £912.34 Buy Surplus As Low As £456.32 Price with VAT: £547.58
    £456.32 Price with VAT: £547.58
    Repair Yours £379.00 Price with VAT: £454.80
    HONEYWELL M-600062

    HONEYWELL

    NOTIFIER CO

    M-600062

    EC-F2-H2S-0/50-N1 - HYDROGEN SULFIDE (H2S), 0/50 PPM, NEMA 1 ENCLOSURE
    £2,100.44 Price with VAT: £2,520.52 Buy Surplus As Low As £1,260.57 Price with VAT: £1,512.68
    £1,260.57 Price with VAT: £1,512.68
    Repair Yours £1,046.81 Price with VAT: £1,256.17
    HONEYWELL M-600065

    HONEYWELL

    NOTIFIER CO

    M-600065

    EC-F2-NO2-0/10-N1 - NITROGEN DIOXIDE (NO2), 0/10PPM, NEMA 1 ENCLOSURE
    £2,100.44 Price with VAT: £2,520.52 Buy Surplus As Low As £1,260.57 Price with VAT: £1,512.68
    £1,260.57 Price with VAT: £1,512.68
    Repair Yours £1,046.81 Price with VAT: £1,256.17
    HONEYWELL M-600071

    HONEYWELL

    NOTIFIER CO

    M-600071

    EC-F2-O2-0/25%-N1 - OXYGEN (O2), 0/25%, NEMA 1 ENCLOSURE
    £2,100.44 Price with VAT: £2,520.52 Buy Surplus As Low As £1,260.57 Price with VAT: £1,512.68
    £1,260.57 Price with VAT: £1,512.68
    Repair Yours £1,046.81 Price with VAT: £1,256.17
    HONEYWELL M-600073

    HONEYWELL

    NOTIFIER CO

    M-600073

    EC-F2-RC-O2 - REPLACEMENT OXYGEN (O2) CELL
    £632.18 Price with VAT: £758.61 Buy Surplus As Low As £379.76 Price with VAT: £455.71
    £379.76 Price with VAT: £455.71
    Repair Yours £315.33 Price with VAT: £378.40
    HONEYWELL M-600081

    HONEYWELL

    NOTIFIER CO

    M-600081

    EC-F3-O2-15/25%-N1 - OXYGEN (O2), 15/25%, NEMA 1 ENCLOSURE
    £1,747.96 Price with VAT: £2,097.56 Buy Surplus As Low As £1,049.08 Price with VAT: £1,258.90
    £1,049.08 Price with VAT: £1,258.90
    Repair Yours £870.95 Price with VAT: £1,045.14
    HONEYWELL M-600083

    HONEYWELL

    NOTIFIER CO

    M-600083

    EC-F3-O2-RS - REPLACEMENT OXYGEN (O2) SENSOR
    £546.52 Price with VAT: £655.83 Buy Surplus As Low As £328.22 Price with VAT: £393.86
    £328.22 Price with VAT: £393.86
    Repair Yours £272.88 Price with VAT: £327.46
    HONEYWELL M-600187

    HONEYWELL

    NOTIFIER CO

    M-600187

    EC-F2-O3-0/1-ATMOS-N1 - OZONE (O3), 0/1PPM, ATMOS, NEMA 1 ENCLOSURE
    £2,525.68 Price with VAT: £3,030.82 Buy Surplus As Low As £1,516.01 Price with VAT: £1,819.22
    £1,516.01 Price with VAT: £1,819.22
    Repair Yours £1,258.29 Price with VAT: £1,509.95
    HONEYWELL M-600188

    HONEYWELL

    NOTIFIER CO

    M-600188

    EC-F2-SO2-0/10-ATMOS-N1 - SULFUR DIOXIDE (SO2), 0/10PPM, ATMOS, NEMA 1 ENCLOSURE
    £2,525.68 Price with VAT: £3,030.82 Buy Surplus As Low As £1,516.01 Price with VAT: £1,819.22
    £1,516.01 Price with VAT: £1,819.22
    Repair Yours £1,258.29 Price with VAT: £1,509.95
    HONEYWELL M-600194

    HONEYWELL

    NOTIFIER CO

    M-600194

    EC-F3-O2-15/25%-ATMOS-ST - OXYGEN (O2), 15/25%, ATMOS, STAINLESS STEEL ENCLOSURE
    £2,586.32 Price with VAT: £3,103.58 Buy Surplus As Low As £1,552.40 Price with VAT: £1,862.88
    £1,552.40 Price with VAT: £1,862.88
    Repair Yours £1,288.61 Price with VAT: £1,546.33
    HONEYWELL M-600203

    HONEYWELL

    NOTIFIER CO

    M-600203

    EC-F3-O2-0/25%-ATMOS-ST - OXYGEN (O2), 0/25%, ATMOS, STAINLESS STEEL ENCLOSURE
    £2,586.32 Price with VAT: £3,103.58 Buy Surplus As Low As £1,552.40 Price with VAT: £1,862.88
    £1,552.40 Price with VAT: £1,862.88
    Repair Yours £1,288.61 Price with VAT: £1,546.33
    HONEYWELL M-600265

    HONEYWELL

    NOTIFIER CO

    M-600265

    EC-F2-H2S-0/50-N1-LH - HYDROGEN SULFIDE (H2S), 0/50 PPM, NEMA 1 ENCLOSURE, LOW HEAT (FOR U.S. NAVY)
    £2,919.84 Price with VAT: £3,503.81 Buy Surplus As Low As £1,752.51 Price with VAT: £2,103.01
    £1,752.51 Price with VAT: £2,103.01
    Repair Yours £1,454.62 Price with VAT: £1,745.54
    HONEYWELL M-600274

    HONEYWELL

    NOTIFIER CO

    M-600274

    EC-F3-O2-0/25%-ATMOS-N1 - OXYGEN (O2), 0/25%, ATMOS, NEMA 1 ENCLOSURE
    £2,175.48 Price with VAT: £2,610.58 Buy Surplus As Low As £1,305.29 Price with VAT: £1,566.35
    £1,305.29 Price with VAT: £1,566.35
    Repair Yours £1,083.95 Price with VAT: £1,300.74
    HONEYWELL M-600336

    HONEYWELL

    NOTIFIER CO

    M-600336

    EC-F2-SO2-0/10-ATMOS-ST - SULFUR DIOXIDE (SO2), 0/10PPM, ATMOS, STAINLESS STEEL ENCLOSURE
    £2,936.52 Price with VAT: £3,523.82 Buy Surplus As Low As £1,762.37 Price with VAT: £2,114.84
    £1,762.37 Price with VAT: £2,114.84
    Repair Yours £1,462.95 Price with VAT: £1,755.54
    HONEYWELL M-600352

    HONEYWELL

    NOTIFIER CO

    M-600352

    EC-F9-NH3-0/200-ATMOS-N1 - AMMONIA (NH3), 0/200 PPM ATMOS, NEMA 1 ENCLOSURE
    £2,160.32 Price with VAT: £2,592.38 Buy Surplus As Low As £1,296.19 Price with VAT: £1,555.43
    £1,296.19 Price with VAT: £1,555.43
    Repair Yours £1,076.37 Price with VAT: £1,291.64
    HONEYWELL M-600353

    HONEYWELL

    NOTIFIER CO

    M-600353

    EC-F9-NH3-0/250-ATMOS-N1 - AMMONIA (NH3), 0/250 PPM-ATMOS-NEMA 1 ENCLOSURE
    £2,160.32 Price with VAT: £2,592.38 Buy Surplus As Low As £1,296.19 Price with VAT: £1,555.43
    £1,296.19 Price with VAT: £1,555.43
    Repair Yours £1,076.37 Price with VAT: £1,291.64
    HONEYWELL M-600354

    HONEYWELL

    NOTIFIER CO

    M-600354

    EC-F9-NH3-0/500-ATMOS-N1 - AMMONIA (NH3), 0/500 PPM, ATMOS, NEMA 1 ENCLOSURE
    £2,160.32 Price with VAT: £2,592.38 Buy Surplus As Low As £1,296.19 Price with VAT: £1,555.43
    £1,296.19 Price with VAT: £1,555.43
    Repair Yours £1,076.37 Price with VAT: £1,291.64
    HONEYWELL M-600359

    HONEYWELL

    NOTIFIER CO

    M-600359

    EC-F9-NH3-0/200-ATMOS-ST - AMMONIA (NH3), 0/200 PPM ATMOS STAINLESS STEEL ENCLOSURE
    £2,534.78 Price with VAT: £3,041.73 Buy Surplus As Low As £1,521.32 Price with VAT: £1,825.58
    £1,521.32 Price with VAT: £1,825.58
    Repair Yours £1,262.84 Price with VAT: £1,515.41
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