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    Sensors & Switches / CO2 Sensor

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    Results 1-50 of 965.
    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
    JOHNSON CONTROLS CD-W00-00-1

    JOHNSON CONTROLS

    CD-W00-00-1

    DISCONTINUED BY MANUFACTURER 10/26/2015, CO2 SENSOR, WHITE, 20-30 VAC, 23-113 DEGREE F, INDOOR, WALL MOUNT, REPLACED BY CD-W00-00-2
    ✓ IN STOCK!
    Buy Surplus As Low As $249.00
    $249.00
    Repair Yours $210.00
    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 $942.40
    $942.40
    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
    HONEYWELL C7232A1032

    HONEYWELL

    C7232A1032

    DISCONTINUED BY MANUFACTURER, CARBON DIOXIDE SENSOR, 0/2000 PPM RANGE, 0/2-10VDC OR 0/4-20 MA ANALOG CURRENT OUTPUT, ONE NORMALLY OPEN SINGLE POLE SINGLE THROW RELAY OUTPUT, 24VAC/DC, NON DI ...
    ✓ IN STOCK!
    Buy Surplus As Low As $382.00
    $382.00
    HONEYWELL C7232B1030

    HONEYWELL

    C7232B1030

    CO2 SENSOR, DCT MOUNT WITHOUT DISPLAY
    $583.00 Buy Surplus As Low As $350.00
    $350.00
    HONEYWELL C7232B-1006

    HONEYWELL

    C7232B-1006

    CO2 SENSOR DUCT MOUNT, 1-10 VDC, OUT
    $560.00 Buy Surplus As Low As $336.00
    $336.00
    HONEYWELL C7632B-1002

    HONEYWELL

    C7632B-1002

    DUCT MOUNT CO2 SENSOR, WITHOUT DISPLAY
    ✓ IN STOCK!
    $471.00 Buy Surplus As Low As $283.00
    $283.00
    SIEMENS QPA2000

    SIEMENS

    SIEMENS INDUSTRY

    QPA2000

    ROOM AIR QUALITY SENSORS, 0-10VDC OUTPUT SIGNAL, 0-2000 PPM CO2, CONNECTION TYPE: TERMINAL BLOCK, NO DISPLAY,
    ✓ IN STOCK!
    $433.00 Buy New $433.00
    $171.00
    VERIS CWLSHTD

    VERIS

    CWLSHTD

    CO2 SENSOR, WALL, LCD, RH 2%, TEMPERATURE, 10K T2
    ✓ IN STOCK!
    $1,197.00 Buy Surplus As Low As $718.20
    $718.20
    HONEYWELL FCO-851

    HONEYWELL

    NOTIFIER CO

    FCO-851

    DISCONTINUED BY MANUFACTURER, MULTI-CRITERIA DETECTOR, SMOKE/CO/LIGHT/FLAME/HEAT, INTELLIQUAD
    ✓ IN STOCK!
    Buy Surplus As Low As $207.00
    $207.00
    AUTOMATION COMPONENTS INC ESENSE-R-5

    AUTOMATION COMPONENTS INC

    ESENSE-R-5

    DISCONTINUED BY MANUFACTURER, CARBON DIOXIDE MONITOR, 0-5 VDC, 4-20 MA, CO2, INDUSTRIAL, SINGLE BEAM, NON-DISPERSIVE INFRARED TECHNOLOGY
    ✓ IN STOCK!
    Buy Surplus As Low As $178.50
    $178.50
    Repair Yours $200.00
    KELE & ASSOCIATES CD-AD-R

    KELE & ASSOCIATES

    CD-AD-R

    CO2 SENSOR DUCT MOUNT ANALOG OUTPUT W/RELAY
    ✓ IN STOCK!
    $449.10 Buy Surplus As Low As $290.70
    $290.70
    Repair Yours $248.17
    HONEYWELL MC2-XWHM-Y-NA

    HONEYWELL

    BW TECHNOLOGIES

    MC2-XWHM-Y-NA

    DISCONTINUED BY MANUFACTURER, GASALERTMICROCLIP XT DETECTORS, COMBUSTIBLE (% LEL), OXYGEN (O2), HYDROGEN SULFIDE (H2S), CARBON MONOXIDE (CO) - YELLOW HOUSING
    ✓ IN STOCK!
    Buy Surplus As Low As $630.00
    $630.00
    Repair Yours $540.00
    HONEYWELL S301D2CO

    HONEYWELL

    VULCAIN

    S301D2CO

    GAS SENSOR / CARBON MONOXIDE, REMOTE, EXPLOSION PROOF, FOR 301EM
    ✓ IN STOCK!
    $995.27 Buy Surplus As Low As $756.40
    $756.40
    INGERSOLL RAND X13790423010

    INGERSOLL RAND

    TRANE

    X13790423010

    DISCONTINUED BY MANUFACTURER, CO2 SENSOR, DUCT MOUNT, MULTIPLE OUTPUTS, 0-10 VDC OR 0/4-20 MA, AUTOMATIC SELF-DIAGNOSTIC, IP65
    ✓ IN STOCK!
    Buy Surplus As Low As $278.00
    $278.00
    Repair Yours $210.00
    DWYER CDT-2W40

    DWYER

    CDT-2W40

    DISCONTINUED BY MANUFACTURER, CDT-2W40 CO2 XMTR 2000PPM NO T
    ✓ IN STOCK!
    Buy Surplus As Low As $348.00
    $348.00
    Repair Yours $290.00
    SCHNEIDER ELECTRIC 50441

    SCHNEIDER ELECTRIC

    MERLIN GERIN

    50441

    CLOSED TOROID SENSOR, SA200, 400 AMP, 1000 V, 45-440 HZ, A TYPE, 1/1000 TRANSFORMER RATIO, SCREW CONNECTION, -35 TO +70 DEGREE C, IP20/30
    ✓ IN STOCK!
    $2,024.00 Buy Surplus As Low As $1,032.75
    $1,032.75
    SIEMENS QPA2062

    SIEMENS

    SIEMENS INDUSTRY

    QPA2062

    SENSOR, ROOM CO2 + TEMP + RH, 0-10 V
    ✓ IN STOCK!
    $667.25 Buy New $667.25
    $400.35
    SIEMENS QPA2282.EWSC

    SIEMENS

    SIEMENS INDUSTRY

    QPA2282.EWSC

    RM CO2+HUMIDITY+TEMP SENSOR, CO2+TMP, TEC/RJ11, BLANK FRNT
    ✓ IN STOCK!
    $581.00 Buy New $581.00
    $286.00
    Repair Yours $237.38
    INGERSOLL RAND SEN1092

    INGERSOLL RAND

    TRANE

    SEN1092

    CO2 DUCT SENSOR
    $642.00 Buy Surplus As Low As $386.00
    $386.00
    TELAIRE 87N53

    TELAIRE

    87N53

    VENTILATION CONTROLLER / CO2, SINGLE CHANNEL, W/O DISPLAY
    ✓ IN STOCK!
    $398.00 Buy Surplus As Low As $304.00
    $304.00
    DRAGER 8317637

    DRAGER

    8317637

    DISCONTINUED BY MANUFACTURER, GAS DETECTOR, TRANSMITTER, CABLE CONNECTION M20, POLYTRON 7000
    ✓ IN STOCK!
    Buy Surplus As Low As $1,622.00
    $1,622.00
    HONEYWELL 1508A2001

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1508A2001

    IAQPOINT CARBON DIOXIDE (CO2) MONITOR, DUCT MOUNT, ANALOG
    ✓ IN STOCK!
    $463.00 Buy Surplus As Low As $269.28
    $269.28
    Repair Yours $231.00
    VERIS CWESPC01256

    VERIS

    CWESPC01256

    WALL CO2 SENSOR; 10K T2
    ✓ IN STOCK!
    $384.30 Buy Surplus As Low As $230.58
    $230.58
    Repair Yours $214.00
    TELAIRE 1508

    TELAIRE

    1508

    ASPIRATION BOX IN-DUCT CO2 SAMPLING FOR 400FPM+ RATES 1INCH PROBE
    ✓ IN STOCK!
    $251.00 Buy Surplus As Low As $192.00
    $192.00
    AMPHENOL T6613-5K

    AMPHENOL

    T6613-5K

    SENSOR, CO2 SENSOR, 0-5000PPM, PARTICLE COUNT MAX:5000PPM, ACCURACY %:5%, SAMPLING METHOD:DIFFUSION, PRODUCT RANGE:6613 SERIES, FLOW RATE MAX:50CC/MIN, FLOW RATE MIN:40CC/MIN, SUPPLY VOLTAGE ...
    ✓ IN STOCK!
    $159.00 Buy Surplus As Low As $96.00
    $96.00
    AMPHENOL T6613-C

    AMPHENOL

    T6613-C

    SENSOR, CO2 SENSOR, 0-2000PPM; PARTICLE COUNT MAX:2000PPM; ACCURACY:5%; SAMPLING METHOD:DIFFUSION WITH GAS PORTS; PRODUCT RANGE:6613 SERIES; FLOW RATE MAX:50CC/MIN; FLOW RATE MIN:40CC/MIN; S ...
    ✓ IN STOCK!
    $163.00 Buy Surplus As Low As $98.00
    $98.00
    AMPHENOL T6615-50K

    AMPHENOL

    T6615-50K

    SENSOR, CO2 SENSOR, 0-50000PPM, PARTICLE COUNT MAX:50000PPM, ACCURACY %:10%, SAMPLING METHOD:DIFFUSION, PRODUCT RANGE:T6615 SERIES, FLOW RATE MAX:120CC/MIN, FLOW RATE MIN:80CC/MIN, SUPPLY VO ...
    ✓ IN STOCK!
    $172.00 Buy Surplus As Low As $104.00
    $104.00
    AMPHENOL T6615-50KF

    AMPHENOL

    T6615-50KF

    SENSOR, CO2 SENSOR, 0-50000PPM, PARTICLE COUNT MAX:50000PPM, ACCURACY %:10%, SAMPLING METHOD:FLOW THROUGH, PRODUCT RANGE:T6615 SERIES, FLOW RATE MAX:50CC/MIN, SUPPLY VOLTAGE DC MAX:5V ROHS C ...
    ✓ IN STOCK!
    $176.00 Buy Surplus As Low As $106.00
    $106.00
    AMPHENOL T6615-5K

    AMPHENOL

    T6615-5K

    SENSOR, CO2 SENSOR, 0-5000PPM, PARTICLE COUNT MAX:5000PPM, ACCURACY %:10%, SAMPLING METHOD:DIFFUSION, PRODUCT RANGE:T6615 SERIES, FLOW RATE MAX:120CC/MIN, FLOW RATE MIN:80CC/MIN, SUPPLY VOLT ...
    ✓ IN STOCK!
    $168.00 Buy Surplus As Low As $101.00
    $101.00
    AMPHENOL T6713

    AMPHENOL

    T6713

    SENSOR, CO2 SENSOR, 0-2000PPM, PARTICLE COUNT MAX:2000PPM, ACCURACY %:3%, SAMPLING METHOD:NON-DISPERSIVE INFRARED (NDIR), PRODUCT RANGE:6713 SERIES, PORT STYLE:SINGLE SIDE PORT, SUPPLY VOLTA ...
    ✓ IN STOCK!
    $128.00 Buy Surplus As Low As $77.00
    $77.00
    AMPHENOL T6713-5K

    AMPHENOL

    T6713-5K

    SENSOR, CO2 SENSOR, 0-5000PPM ROHS COMPLIANT: YES
    ✓ IN STOCK!
    $124.00 Buy Surplus As Low As $75.00
    $75.00
    VERIS Z204262-0C

    VERIS

    Z204262-0C

    GAS & SPECIALTY SENSORS, CARBON DIOXIDE SENSOR, CO2, DUCT, ECONOMY, NO LCD
    ✓ IN STOCK!
    $746.10 Buy Surplus As Low As $492.43
    $492.43
    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!
    $1,380.00 Buy Surplus As Low As $828.00
    $828.00
    KYNAR LMS-15K

    KYNAR

    LMS-15K

    SENSOR 120/220V
    ✓ IN STOCK!
    Buy Surplus As Low As $264.00
    $264.00
    Repair Yours $200.00
    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 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

    DISCONTINUED BY MANUFACTURER, CO2 SENSOR, WALL MOUNT, WITHOUT DISPLAY OR RELAY, 24 V AC/DC, +/-20%, 50/60 HZ, 0-10 VDC FOR 0-2000 PPM FIXED ANALOG OUTPUT, REPLACED BY C7233A1016
    ✓ IN STOCK!
    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
    HANSEN TECHNOLOGIES HSC4H-F3K/R22

    HANSEN TECHNOLOGIES

    HSC4H-F3K/R22

    HALOCARBON SENSORS, HARSH, SEMICONDUCTOR, PPM RANGE3000, TO 40F(40C)
    ✓ IN STOCK!
    $1,185.30 Buy New $1,185.30
    $711.18
    Repair Yours $657.00
    HANSEN TECHNOLOGIES HSC4H-F3K/R404

    HANSEN TECHNOLOGIES

    HSC4H-F3K/R404

    HALOCARBON SENSORS, HARSH, SEMICONDUCTOR, PPM RANGE3000, TO 40F(40C)
    ✓ IN STOCK!
    $1,185.30 Buy New $1,185.30
    $711.18
    Repair Yours $657.00
    CORNELL DUBILIER US42

    CORNELL DUBILIER

    MALLORY SONALERT

    US42

    CARBON CONTROL, 3 AMPS PER POLE, 125 VAC
    ✓ IN STOCK!
    $5.08 Buy Surplus As Low As $3.28
    $3.28
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