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    Sensors & Switches / CO2 Sensor

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    Results 1-50 of 964.
    GENERAL MONITORS INC 10001-1

    GENERAL MONITORS INC

    10001-1

    STANDARD INDUSTRIAL COMBUSTIBLE GAS SENSOR, 3 WIRE ALUMINUM, CSA, FM APPROVED, 0-100% MEASURING RANGE, CONTINUOUS DIFFUSION, LOW TEMPERATURE CATALYTIC BEAD, 300MA DC SENSOR DRIVE
    ✓ IN STOCK!
    $1,353.00 Buy Surplus As Low As $813.00
    $813.00
    HONEYWELL C7232A1016

    HONEYWELL

    C7232A1016

    DISCONTINUED BY MANUFACTURER, CARBON DIOXIDE (CO2) SENSOR, 0-2000 PPM RANGE, WALL MOUNT, WITHOUT DISPLAY, SELECTABLE 0/2-10 VDC & 0/4-20 MA OUTPUT, SPST RELAY, 24 VAC/DC, HONEYWELL LOGO, (RE ...
    ✓ IN STOCK!
    Buy Surplus As Low As $240.00
    $240.00
    Repair Yours $200.00
    VERIS GWMXS

    VERIS

    GWMXS

    DISCONTINUED BY MANUFACTURER, CARBON MONOXIDE SENSOR, G-SERIES, 0-200 PPM, 250 MA SUPPLY, 4-20 MA OUTPUT, 24 VAC, WALL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $612.00
    $612.00
    Repair Yours $396.00
    VERIS CWLSXX

    VERIS

    CWLSXX

    DISCONTINUED BY MANUFACTURER, CO2 SENSOR, LCD, DELUXE LINE, WALL MOUNT, REPLACEMENT CW2LAXA
    ✓ IN STOCK!
    Buy Surplus As Low As $425.00
    $425.00
    Repair Yours $350.00
    VERIS CWLSHTA

    VERIS

    CWLSHTA

    CO2 SENSOR, WALL, LCD, RH 2%, T-TRANSMITTER, 50-95F
    ✓ IN STOCK!
    $1,368.00 Buy Surplus As Low As $1,040.00
    $1,040.00
    HONEYWELL C7232B1022

    HONEYWELL

    C7232B1022

    CO2 SENSOR, DCT MOUNT WITH DISPLAY
    ✓ IN STOCK!
    $616.00 Buy Surplus As Low As $469.00
    $469.00
    HONEYWELL C7632A1004

    HONEYWELL

    C7632A1004

    WALL MOUNT CO2 SENSOR, WITHOUT DISPLAY
    ✓ IN STOCK!
    $291.60 Buy Surplus As Low As $221.62
    $221.62
    GENERAL ELECTRIC CR215DGR2

    GENERAL ELECTRIC

    CR215DGR2

    LIMIT SWITCH PROXIMITY RECEPTACLE 3TERMINAL
    ✓ IN STOCK!
    Buy Surplus As Low As $43.35
    $43.35
    HONEYWELL HPA-U03

    HONEYWELL

    MICROSWITCH

    HPA-U03

    PHOTOELECTRIC
    ✓ IN STOCK!
    Buy Surplus As Low As $84.00
    $84.00
    LEGRAND CIT-105

    LEGRAND

    WATT STOPPER

    CIT-105

    OCCUPANCY SENSOR 24VDC PASSIVE INFRARED
    ✓ IN STOCK!
    $86.40 Buy Surplus As Low As $57.60
    $57.60
    DRAGER 4543405

    DRAGER

    4543405

    DISCONTINUED BY MANUFACTURER, GAS DETECTOR HEAD, 16-30VDC, 30MA, 3/4IN PIPE, POLYTRON, NO SENSOR
    ✓ IN STOCK!
    Buy Surplus As Low As $970.00
    $970.00
    Repair Yours $800.00
    AUTOMATION COMPONENTS INC A/CO-2010-D

    AUTOMATION COMPONENTS INC

    A/CO-2010-D

    CARBON DIOXIDE GAS DETECTOR-DUCT, CO2 TRANSMITTER (0-10VDC ONLY)
    ✓ IN STOCK!
    Buy Surplus As Low As $344.52
    $344.52
    Repair Yours $290.00
    HONEYWELL CO1224T

    HONEYWELL

    GAMEWELL-FCI

    CO1224T

    CONVENTIONAL CARBON MONOXIDE DETECTOR, 12/24 VDC, WITH SOUNDER AND TROUBLE RELAY WITH TEST FUNCTION
    $108.00 Buy Surplus As Low As $65.00
    $65.00
    HONEYWELL C7242A-1014

    HONEYWELL

    C7242A-1014

    DISCONTINUED BY MANUFACTURER, CO2 MONITOR/CONTROLLER, ANALOG OUTPUT 0-10VDC, WALL MOUNT, DIGITAL DISPLAY, 15-29VDC/VAC, 50/60HZ
    ✓ IN STOCK!
    Buy Surplus As Low As $442.00
    $442.00
    Repair Yours $287.00
    GENERAL ELECTRIC T8100-D

    GENERAL ELECTRIC

    T8100-D

    CO2 SENSOR, LCD DISPLAY, SINGLE CHANNEL, T8100 SERIES, WALL MOUNT, 0-50 C OPERATING TEMPERATURE, WEATHERPROOF ENCLOSURE, WHITE
    ✓ IN STOCK!
    $551.00 Buy Surplus As Low As $420.00
    $420.00
    Repair Yours $267.00
    HONEYWELL E3SRMCO

    HONEYWELL

    VULCAIN

    E3SRMCO

    E3POINT REMOTE SENSOR, CARBON MONOXIDE (CO), OPERATING TEMPERATURES: -20 TO 50C (-4 TO 122F)
    ✓ IN STOCK!
    $533.00 Buy Surplus As Low As $321.00
    $321.00
    HONEYWELL E3SRMNO2

    HONEYWELL

    VULCAIN

    E3SRMNO2

    NO2, REMOTE SENSOR, -4/122F
    ✓ IN STOCK!
    $504.00 Buy Surplus As Low As $303.00
    $303.00
    HONEYWELL SPXCDULNRXM

    HONEYWELL

    NOTIFIER CO

    SPXCDULNRXM

    SENSEPOINT XCD TRANSMITTERS, CLASS I, DIV. 1: UL APPROVAL, COMBUSTIBLE EXPLOSION PROOF TRANSMITTER (IR), METHANE (CH4) 4-20 MA, 3 RELAYS, MODBUS, 0-100% LEL ALUMINUM ENCLOSURE
    $3,705.00 Buy Surplus As Low As $2,223.00
    $2,223.00
    INGERSOLL RAND X13790422-010

    INGERSOLL RAND

    TRANE

    X13790422-010

    DISCONTINUED BY MANUFACTURER, CO2 ZONE SENSOR, WALL MOUNT, BAYSENS251A, REPLACED BY SEN1564
    ✓ IN STOCK!
    Buy Surplus As Low As $673.00
    $673.00
    Repair Yours $553.00
    DWYER CDT-2W4B

    DWYER

    CDT-2W4B

    CO2 TRANSMITTER, CDT SERIES, 10K TYPE, 4-20 MA, 0-5/10 VDC
    ✓ IN STOCK!
    $211.00 Buy New $211.00
    $107.95
    Repair Yours $200.00
    ROBERTS GORDON 02713200

    ROBERTS GORDON

    02713200

    ELECTRODE ASSEMBLY, REPLACEMENT KIT, CRV B & E SERIES
    ✓ IN STOCK!
    $107.00 Buy Surplus As Low As $65.00
    $65.00
    KIDDE CO120X

    KIDDE

    CO120X

    CARBON MONOXIDE RELAY MODULE, ELECTRICAL RATING 120 VAC, 60 HZ, 0.08 AMP, CONTACT RATING 120 VAC, 10 AMP, NON INDUCTIVE, 30 VDC, 5 AMP
    ✓ IN STOCK!
    $23.40 Buy New $23.40
    $15.44
    INGERSOLL RAND SEN1782

    INGERSOLL RAND

    TRANE

    SEN1782

    DUCT MT CO2 SENSOR, NO DISPLAY
    $598.00 Buy Surplus As Low As $359.00
    $359.00
    SIEMENS QPM2100

    SIEMENS

    SIEMENS INDUSTRY

    QPM2100

    SENSOR, DUCT AIR QUALITY, CO2, 0-10V, 0-2000 PPM CO2 MEASURING RANGE
    ✓ IN STOCK!
    $501.43 Buy New $501.43
    $300.86
    OPTEX WL260-N230

    OPTEX

    WL260-N230

    PHOTOELECTRIC 2AMP 30V DC10 W/BRACKET
    ✓ IN STOCK!
    $165.00 Buy Surplus As Low As $63.24
    $63.24
    SIEMENS OOH941

    SIEMENS

    PYROTRONICS

    OOH941

    HEAT DETECTOR, DUAL OPTICAL, CO2 SENSOR, LOW TEMP WARNING SIGNAL AT 40 DEGREES F
    ✓ IN STOCK!
    $197.00 Buy Surplus As Low As $150.00
    $150.00
    UTC FIRE & SECURITY COMPANY 70030380

    UTC FIRE & SECURITY COMPANY

    KIDDE FIRE SYSTEMS

    70030380

    CO2 PRESSURE OPERATED SIREN (AVAILABILITY LIMITED TO QUANTITY ON HAND)
    ✓ IN STOCK!
    $3,085.00 Buy Surplus As Low As $1,694.26
    $1,694.26
    VERIS CDLSHTH

    VERIS

    CDLSHTH

    CO2 SENSOR, DUCT TRANSFORMER, LCD, RH, TEMPERATURE, 10K T3
    ✓ IN STOCK!
    $667.00 Buy Surplus As Low As $507.00
    $507.00
    SENVA C02D-A1

    SENVA

    C02D-A1

    DISCONTINUED BY MANUFACTURER, CO2 DUCT SENSOR, LCD DISPLAY WITH FIELD CALIBRATION MENU, 2000/5000 PPM CO2, INTEGRATED SET-POINT RELAY, FIELD REPLACEABLE NDIR ELEMENT, 12-30VDC/24VAC, 1 AMP
    ✓ IN STOCK!
    Buy Surplus As Low As $149.00
    $149.00
    Repair Yours $200.00
    SIEMENS QPA2060

    SIEMENS

    SIEMENS INDUSTRY

    QPA2060

    ROOM AIR QUALITY SENSOR, ROOM CO2, TEMPERATURE SENSOR, 0-10 VOLT
    ✓ IN STOCK!
    $495.55 Buy New $495.55
    $376.62
    SIEMENS QPA2284.FWSC

    SIEMENS

    SIEMENS INDUSTRY

    QPA2284.FWSC

    ROOM AIR QUALITYSENSOR, FOR USE WITH TEC ONLY, 0-2000 PPM CO2 RANGE, HUMIDITY (P1), TEMPERATURE (P1), RJ-11 CONNECTION TYPE, DISPLAY, SETPOINT ADJUSTMENT, OVERRIDE, TOOL PORT
    ✓ IN STOCK!
    $847.00 Buy New $847.00
    $417.00
    Repair Yours $347.00
    EDWARDS SIGNALING SIGA2-PCOS

    EDWARDS SIGNALING

    SIGA2-PCOS

    DISCONTINUED BY MANUFACTURER, INTELLIGENT PHOTOELECTRIC DETECTOR, W/ CARBON MONOXIDE SENSOR, DIMENSIONS 5X5X5 IN, NO REPLACEMENT
    ✓ IN STOCK!
    Buy Surplus As Low As $190.00
    $190.00
    FIRST ALERT CO400

    FIRST ALERT

    CO400

    CARBON MONOXIDE ALARM
    ✓ IN STOCK!
    Buy Surplus As Low As $18.00
    $18.00
    SCHNEIDER ELECTRIC AM-112

    SCHNEIDER ELECTRIC

    SQUARE D

    AM-112

    CRANK ARM 3/8IN DIA
    $21.00 Buy Surplus As Low As $13.00
    $13.00
    HONEYWELL SK-FIRE-CO

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SK-FIRE-CO

    SMOKE AND CARBON MONOXIDE DETECTOR, ADDRESSABLE, WHITE, 10 YEAR LIFE SPAN
    ✓ IN STOCK!
    $304.00 Buy Surplus As Low As $232.00
    $232.00
    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 $780.00
    $780.00
    Repair Yours $648.00
    BOSCH 0258017025

    BOSCH

    REXROTH

    0258017025

    OXYGEN SENSOR 5WIRE LS 17025
    ✓ IN STOCK!
    $121.00 Buy Surplus As Low As $93.00
    $93.00
    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 $1,382.00
    $1,382.00
    Repair Yours $590.00
    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!
    $142.00 Buy Surplus As Low As $86.00
    $86.00
    HONEYWELL CO1224T

    HONEYWELL

    NOTIFIER CO

    CO1224T

    NOTIFIER PLUG-IN SMOKE DETECTORS , CONVENTIONAL CARBON MONOXIDE DETECTOR, 12/24 VDC, WITH SOUNDER AND TROUBLE RELAY WITH TEST FUNCTION; UL2075 LISTED
    $151.00 Buy Surplus As Low As $91.00
    $91.00
    HONEYWELL CO1224TR

    HONEYWELL

    NOTIFIER CO

    CO1224TR

    NOTIFIER PLUG-IN SMOKE DETECTORS , CONVENTIONAL CARBON MONOXIDE DETECTOR, 12/24 VDC, WITH SOUNDER AND TROUBLE RELAY WITH TEST FUNCTION, ROUND; UL2075 LISTED
    $151.00 Buy Surplus As Low As $91.00
    $91.00
    TELEDYNE ANALYTICAL INSTRUMENTS C40371-F1R

    TELEDYNE ANALYTICAL INSTRUMENTS

    C40371-F1R

    GAS SENSOR, CARBON MONOXIDE, 3-PIN, CELL STYLE
    ✓ IN STOCK!
    $260.00 Buy Surplus As Low As $154.80
    $154.80
    KEYENCE CORP AP-43

    KEYENCE CORP

    AP-43

    SENSOR HEAD, POSITIVE PRESSURE TYPE, 1 MPA
    ✓ IN STOCK!
    $236.00 Buy Surplus As Low As $143.00
    $143.00
    VERIS CWE

    VERIS

    CWE

    DISCONTINUED BY MANUFACTURER, CO2 SENSOR, 0-2000PPM SENSING RANGE, NON-DISPERSIVE INFRARED SENSING TYPE, WALL MOUNT, ABS PLASTIC MATERIAL, NO LCD DISPLAY INTERFACE, 20-30VDC/24VAC 50/60HZ 0. ...
    ✓ IN STOCK!
    Buy Surplus As Low As $480.00
    $480.00
    Repair Yours $312.00
    SCHUNK FPS-A5

    SCHUNK

    FPS-A5

    POSITION SENSOR 24VDC 10MIN 30MAX
    ✓ IN STOCK!
    $334.05 Buy Surplus As Low As $200.43
    $200.43
    LENNOX 87N53

    LENNOX

    87N53

    DISCONTINUED BY MANUFACTURER, CO2 SENSOR, WALL MOUNTED, SERIES T8100, NO DISPLAY
    ✓ IN STOCK!
    Buy Surplus As Low As $532.00
    $532.00
    ZELLWEGER 2110B2073

    ZELLWEGER

    2110B2073

    GAS SENSOR APEX
    ✓ IN STOCK!
    Buy Surplus As Low As $1,178.00
    $1,178.00
    Repair Yours $780.00
    AMPROBE CM100

    AMPROBE

    CM100

    CARBON MONOXIDE METER W/ADJUSTABLE CO LEVELS, (3311826)
    ✓ IN STOCK!
    $400.00 Buy Surplus As Low As $240.00
    $240.00
    VERIS CX-D

    VERIS

    CX-D

    SENSOR,CARBON DIOXIDE,DUCT MOUNT, CX SERIES,CARBON DIOXIDE SENSOR,0-5000PPM,20-30VAC/DC,
    ✓ IN STOCK!
    $644.00 Buy Surplus As Low As $383.40
    $383.40
    Repair Yours $321.21
    VERIS CXL-RH-T

    VERIS

    CXL-RH-T

    WALL SENSOR CO2 LCD 50/90DEGREE F
    ✓ IN STOCK!
    $763.20 Buy Surplus As Low As $503.71
    $503.71
    Repair Yours $337.98
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