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    Sensors & Switches / CO2 Sensor

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    Results 1-50 of 962.
    MSA A-ULTX-SENS-11-1-0

    MSA

    A-ULTX-SENS-11-1-0

    CARBON MONOXIDE SENSOR, 0-100 PPM, 316 STAINLESS STEEL, ALL XP MODELS EXCEPT IR, FINE THREADS
    ✓ IN STOCK!
    CAN$3,472.87 Buy Surplus As Low As CAN$1,389.71
    CAN$1,389.71
    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 CAN$1,252.16
    CAN$1,252.16
    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 CAN$728.89
    CAN$728.89
    Repair Yours CAN$360.00
    HONEYWELL C7232B1006

    HONEYWELL

    C7232B1006

    CO2 SENSOR, DUCT MOUNT WITH DISPLAY, 1 MOD 1 RELAY OUTPUT
    ✓ IN STOCK!
    CAN$985.21 Buy Surplus As Low As CAN$748.76
    CAN$748.76
    VERIS CWLSHTA

    VERIS

    CWLSHTA

    CO2 SENSOR, WALL, LCD, RH 2%, T-TRANSMITTER, 50-95F, POSSIBLE REPLACEMENT CW2LA2A
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,190.71
    CAN$1,190.71
    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 CAN$922.95
    CAN$922.95
    Repair Yours CAN$557.76
    DRAGER 8317637

    DRAGER

    8317637

    DISCONTINUED BY MANUFACTURER, GAS DETECTOR, TRANSMITTER, CABLE CONNECTION M20, POLYTRON 7000
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$2,392.24
    CAN$2,392.24
    HONEYWELL C7232B1022

    HONEYWELL

    C7232B1022

    CO2 SENSOR, NO HW LOGO, DUCT MOUNT WITH DISPLAY, 1 MOD 1
    ✓ IN STOCK!
    CAN$1,158.03 Buy Surplus As Low As CAN$807.80
    CAN$807.80
    KIDDE-FENWAL, LLC 70030380

    KIDDE-FENWAL, LLC

    KIDDE FIRE SYSTEMS

    70030380

    CO2 PRESSURE OPERATED SIREN (AVAILABILITY LIMITED TO QUANTITY ON HAND)
    ✓ IN STOCK!
    CAN$3,783.84 Buy Surplus As Low As CAN$1,171.12
    CAN$1,171.12
    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 , 50441
    ✓ IN STOCK!
    CAN$2,785.92 Buy Surplus As Low As CAN$965.48
    CAN$965.48
    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 CAN$837.24
    CAN$837.24
    Repair Yours CAN$700.78
    GENERAL MONITORS INC 20630-5

    GENERAL MONITORS INC

    20630-5

    DISCONTINUED BY MANUFACTURER, GAS MONITOR, 0.8 AMP, 117 VAC, 50-60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,880.46
    CAN$1,880.46
    Repair Yours CAN$1,315.27
    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 CAN$713.12
    CAN$713.12
    Repair Yours CAN$527.22
    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 CAN$3,395.36
    CAN$3,395.36
    Repair Yours CAN$2,562.66
    CALIBRATION TECHNOLOGIES INC GG-CO2-3%-ST

    CALIBRATION TECHNOLOGIES INC

    GG-CO2-3%-ST

    CO2 DETECTOR, 4/20 MA OUTPUT, REAL-TIME CONTINUOUS MONITORING
    ✓ IN STOCK!
    CAN$4,331.53 Buy Surplus As Low As CAN$1,892.05
    CAN$1,892.05
    GENERAL MONITORS INC 31140-2

    GENERAL MONITORS INC

    31140-2

    DISCONTINUED BY MANUFACTURER, GAS DETECTION UNIT, INTELLIGENT SENSOR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$2,678.10
    CAN$2,678.10
    HONEYWELL 129431-L3

    HONEYWELL

    NOTIFIER CO

    129431-L3

    CARBON MONOXIDE SENSORS, SERIES S301D2CO, EXPLOSION PROOF SENSOR
    ✓ IN STOCK!
    CAN$2,472.23 Buy Surplus As Low As CAN$718.79
    CAN$718.79
    HONEYWELL 54-49-90

    HONEYWELL

    BW TECHNOLOGIES

    54-49-90

    O2 SENSOR FOR MULTI PRO
    ✓ IN STOCK!
    CAN$1,517.77 Buy Surplus As Low As CAN$918.25
    CAN$918.25
    HONEYWELL SPXCDXSFXSS

    HONEYWELL

    HONEYWELL SENSING SOLUTIONS

    SPXCDXSFXSS

    SENSOR, COMBUSTIBLE, FLAMMABLE CATALYTIC BEAD, 0-100% LEL (20.0 TO 100.0% LEL)
    ✓ IN STOCK!
    CAN$2,226.21 Buy Surplus As Low As CAN$1,228.12
    CAN$1,228.12
    GENERAL ELECTRIC RL-101

    GENERAL ELECTRIC

    REDLINE

    RL-101

    DISCONTINUED BY MANUFACTURER, WIRELESS SENSOR HEAD, 2.4 GHZ RADIO NETWORK, POWERED BY 4 AA BATTERIES, ELECTROCHEMICAL SENSOR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,040.35
    CAN$1,040.35
    THERMO FISHER SCIENTIFIC 410I-ANPDCB

    THERMO FISHER SCIENTIFIC

    THERMO SCIENTIFIC

    410I-ANPDCB

    DISCONTINUED BY MANUFACTURER, CARBON DIOXIDE GAS ANALYZER, MODEL 410I, 110/115/220/240 V, 1 L/MIN, NDIR, 16 DIGITAL INPUTS
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$935.71
    CAN$935.71
    COHERENT ENRSL281003

    COHERENT

    ENRSL281003

    CO2 LAZER SENSOR, 30W, 10.6 UM
    ✓ IN STOCK!
    CAN$11,479.60 Buy Surplus As Low As CAN$3,675.25
    CAN$3,675.25
    FUJI ELECTRIC ZKMABY12-YEY1AYRY

    FUJI ELECTRIC

    ZKMABY12-YEY1AYRY

    OXYGEN TRANSMITTER, SURFACE-MOUNT, NO OPTIONS / ADD-ONS, 4-20 MA (DC), IP 66
    ✓ IN STOCK!
    CAN$4,856.09 Buy Surplus As Low As CAN$3,001.34
    CAN$3,001.34
    Repair Yours CAN$2,071.76
    FUJI ELECTRIC ZKM1B111-YEY1

    FUJI ELECTRIC

    ZKM1B111-YEY1

    DISCONTINUED BY MANUFACTURER, OXYGEN TRANSMITTER, 4-20 MA, 100-240 VAC, 50/60 HZ, 20 VA, IP66
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,637.12
    CAN$1,637.12
    Repair Yours CAN$1,452.17
    SIEMENS 7MB2334-8AK40-4FA1

    SIEMENS

    7MB2334-8AK40-4FA1

    DISCONTINUED BY MANUFACTURER, GASULTRAMAT 23, 120 V, 60 HZ
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$1,984.83
    CAN$1,984.83
    VAISALA SENSOR SYS GMP25252C0A1N1

    VAISALA SENSOR SYS

    GMP25252C0A1N1

    GMP252 CARBON DIOXIDE PROBE FOR PPM-LEVEL MEASUREMENTS, PROBE 0...20 000 PPM PTFE FILTER, OUTPUT 4...20 MA, ACTIVE INTERNAL TEMPERATURE COMPENSATION ON, PRESSURE 1013 HPA, GAS 0 %O2, 0 %RH, ...
    ✓ IN STOCK!
    CAN$1,755.16 Buy Surplus As Low As CAN$1,053.38
    CAN$1,053.38
    HONEYWELL SPXCDULNB1M

    HONEYWELL

    HONEYWELL ANALYTICS

    SPXCDULNB1M

    SENSEPOINT XCD TRANSMITTERS, CLASS I, DIV. 1: UL APPROVAL, CARBON DIOXIDE (CO2) EXPLOSION PROOF TRANSMITTER (IR), 4-20 MA, 3 RELAYS, MODBUS, 0-2% VOL ALUMINUM ENCLOSURE
    ✓ IN STOCK!
    CAN$5,892.55 Buy Surplus As Low As CAN$4,613.31
    CAN$4,613.31
    SIEMENS QPM2162D

    SIEMENS

    SIEMENS INDUSTRY

    QPM2162D

    DUCT CO2, RH & TEMPERATURE SENSOR, 0-10V / 4-20MA OUTPUT (SELECTABLE), WITH DISPLAY
    ✓ IN STOCK!
    CAN$1,321.15 Buy Surplus As Low As CAN$744.31
    CAN$744.31
    DRAGER 8317710

    DRAGER

    8317710

    GAS DETECTOR, POLYTRON 7000, 30VAC, 0.3A, 2-WIRE, GLASS FIBRE REINFORCED POLYESTER
    ✓ IN STOCK!
    CAN$3,587.88 Buy Surplus As Low As CAN$1,866.24
    CAN$1,866.24
    Repair Yours CAN$1,481.41
    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!
    CAN$3,948.22 Buy Surplus As Low As CAN$1,503.18
    CAN$1,503.18
    Repair Yours CAN$1,235.90
    HONEYWELL SPXCDXSFXSS

    HONEYWELL

    NOTIFIER CO

    SPXCDXSFXSS

    CARTRIDGE, GNRL, TYPE: SNSR, GENERAL NOTE: COMBUST, CATALYTIC , FLAMMABLE CAT 0-100% LEL (20 TO 100.0%LEL)
    ✓ IN STOCK!
    CAN$1,796.69 Buy Surplus As Low As CAN$909.72
    CAN$909.72
    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!
    CAN$2,990.45 Buy Surplus As Low As CAN$1,641.72
    CAN$1,641.72
    Repair Yours CAN$1,336.03
    AUTOMATION COMPONENTS INC Q5C-CO-1000P-O-X

    AUTOMATION COMPONENTS INC

    Q5C-CO-1000P-O-X

    MICROPROCESSOR, SMART SENSOR, CARBON MONOXIDE, 0-1000 PPM, 3 SPDT RELAYS, NEMA 4X ENCLOSURE, 4-20 MA
    ✓ IN STOCK!
    CAN$1,508.00 Buy New CAN$1,508.00
    CAN$996.00
    Repair Yours CAN$752.00
    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!
    CAN$919.00 Buy New CAN$919.00
    CAN$699.00
    Repair Yours CAN$459.00
    SONTAY SC-S-200000

    SONTAY

    SC-S-200000

    DISCONTINUED BY MANUFACTURER, TEMPERATURE & CO2 SENSOR, SPACE-MOUNT, RANGE: 0-1000PPB TVOC, RANGE: 0 TO +40 DEGREES C, 24 VDC / 30 MA SUPPLY, IP30
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$43.89
    CAN$43.89
    ASEA BROWN BOVERI 856053

    ASEA BROWN BOVERI

    856053

    DISCONTINUED BY MANUFACTURER, C02 DETECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$172.25
    CAN$172.25
    Repair Yours CAN$250.00
    BAPI BA/ACD05-D-BB-BNK

    BAPI

    BA/ACD05-D-BB-BNK

    DUCT SENSOR, CO2 ABC BAPI-BOX, [0-5V] [BNK] [BLUE], AIR QUALITY
    ✓ IN STOCK!
    CAN$506.13 Buy Surplus As Low As CAN$334.59
    CAN$334.59
    AIRTEST TR9294-A-L

    AIRTEST

    TR9294-A-L

    CO2 WALL TRANSMITTER, W/ DISPLAY, 2000 PPM, 0-5V, DUAL OUT
    ✓ IN STOCK!
    CAN$640.62 Buy Surplus As Low As CAN$320.76
    CAN$320.76
    RKI INSTRUMENTS 65-2003RK

    RKI INSTRUMENTS

    65-2003RK

    SENSOR, CARBON MONOXIDE (CO), ES-81, GX-82
    ✓ IN STOCK!
    CAN$124.41 Buy Surplus As Low As CAN$103.68
    CAN$103.68
    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 CAN$599.57
    CAN$599.57
    Repair Yours CAN$367.74
    KEYENCE CORP AP-43

    KEYENCE CORP

    AP-43

    SENSOR HEAD, POSITIVE PRESSURE TYPE, 1 MPA
    ✓ IN STOCK!
    CAN$334.59 Buy Surplus As Low As CAN$212.87
    CAN$212.87
    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 CAN$214.33
    CAN$214.33
    Repair Yours CAN$357.16
    LEGRAND CIT-105

    LEGRAND

    WATT STOPPER

    CIT-105

    OCCUPANCY SENSOR 24VDC PASSIVE INFRARED
    ✓ IN STOCK!
    CAN$48.83 Buy Surplus As Low As CAN$36.62
    CAN$36.62
    GENERAL ELECTRIC CR215DGR2

    GENERAL ELECTRIC

    CR215DGR2

    LIMIT SWITCH PROXIMITY RECEPTACLE 3TERMINAL
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$31.19
    CAN$31.19
    HONEYWELL C7232B1014

    HONEYWELL

    C7232B1014

    CO2 DUCT SENSOR, 24VDC, 0.25-20 MAMP OUTPUT, 0-2000 PPM READING, 2 NORMALLY OPEN RELAY SPST OUTPUT, 60 SECOND TIMING, NON-DISPERSION-INFRARED
    ✓ IN STOCK!
    CAN$778.88 Buy Surplus As Low As CAN$621.55
    CAN$621.55
    HONEYWELL C7232B1030

    HONEYWELL

    C7232B1030

    IN. CO2 SENSOR NO HW LOGO DUCT MOUNT NO DISPLAY 1 MOD 1 RELAY OUTPUTIN.
    ✓ IN STOCK!
    CAN$999.30 Buy Surplus As Low As CAN$551.50
    CAN$551.50
    VERIS CX-D

    VERIS

    CX-D

    SENSOR,CARBON DIOXIDE,DUCT MOUNT, CX SERIES,CARBON DIOXIDE SENSOR,0-5000PPM,20-30VAC/DC,
    ✓ IN STOCK!
    CAN$725.10 Buy Surplus As Low As CAN$285.32
    CAN$285.32
    Repair Yours CAN$362.13
    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 CAN$222.71
    CAN$222.71
    Repair Yours CAN$360.00
    JOHNSON CONTROLS NS-BCN7004-0

    JOHNSON CONTROLS

    NS-BCN7004-0

    DISCONTINUED BY MANUFACTURER, NETWORK ZONE SENSOR, MODULAR JACK, SCREW TERMINALS, 120 X 80 MM, WALL/SURFACE MOUNT, 0-2000 PPM RANGE, REPLACED BY NSB8BNC040-0
    ✓ IN STOCK!
    Buy Surplus As Low As CAN$658.86
    CAN$658.86
    Repair Yours CAN$360.85
    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!
    CAN$597.92 Buy Surplus As Low As CAN$320.39
    CAN$320.39
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