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    Sensors & Switches / CO2 Sensor

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    Results 201-250 of 876.
    SONTAY GS-CO2-RHT-1001-SP

    SONTAY

    GS-CO2-RHT-1001-SP

    SPACE CO2 RH & T TRANSMITTER, 0-2000 PPM, 24 VAC/DC, 140 MA MAX, ABS (FLAME RETARDANT), POLISHED WHITE MATERIAL HOUSING, 0 TP +40 DEGREES C IP30
    ✓ IN STOCK!
    $696.12 Buy Surplus As Low As $375.91
    $375.91
    Repair Yours $346.75
    HONEYWELL 1039727

    HONEYWELL

    RESIDEO

    1039727

    BATT OP CO2 ALARM W/ DIGITAL DISPLAY
    ✓ IN STOCK!
    $49.00 Buy Surplus As Low As $30.00
    $30.00
    HONEYWELL CO250B

    HONEYWELL

    RESIDEO

    CO250B

    BATTERY OPER CO2 ALARM
    ✓ IN STOCK!
    $33.00 Buy Surplus As Low As $20.00
    $20.00
    KIDDE KI-COD

    KIDDE

    KI-COD

    INTELLIGENT CARBON MONOXIDE DETECTOR
    ✓ IN STOCK!
    $117.00 Buy New $117.00
    $71.00
    KIDDE KI-HCD

    KIDDE

    KI-HCD

    MULTISENSOR HEAT, AND CO DETECTOR....
    ✓ IN STOCK!
    $109.00 Buy New $109.00
    $66.00
    VERIS CD2XA2AVX

    VERIS

    CD2XA2AVX

    AQ SENSOR, TEMP,2%RH,VOC,CO2
    $674.00 Buy Surplus As Low As $405.00
    $405.00
    VAISALA SENSOR SYS GMW21D

    VAISALA SENSOR SYS

    GMW21D

    DISCONTINUED BY MANUFACTURER, CARBON DIOXIDE TRANSMITTER, GMW20 SERIES, WALL MOUNT, 24 VAC, W/ DISPLAY, FOR DEMAND-CONTROLLED VENTILATION, PPM RESOLUTION
    ✓ IN STOCK!
    $393.75 Buy New $393.75
    $225.00
    Repair Yours $200.00
    CUMMINS 4326867RX

    CUMMINS

    4326867RX

    DISCONTINUED BY MANUFACTURER, NITROGEN OXIDE SENSOR, NB1510 / A045S161, FLANGE MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $218.70
    $218.70
    KELE & ASSOCIATES KC02-W-V-LCBLD-R

    KELE & ASSOCIATES

    KC02-W-V-LCBLD-R

    CO2 SESNOR 10V WALL LCD RELAY
    ✓ IN STOCK!
    $476.00 Buy Surplus As Low As $286.00
    $286.00
    KELE & ASSOCIATES KCO2-RH-W-V

    KELE & ASSOCIATES

    KCO2-RH-W-V

    CO2/RH SENSOR 10V OUT WALL
    ✓ IN STOCK!
    $383.00 Buy Surplus As Low As $230.00
    $230.00
    SERVOMEX 1370000

    SERVOMEX

    1370000

    CO2 SENSOR SURVEYOR 1370 110V 60HZ
    Buy Surplus As Low As $1,050.00
    $1,050.00
    Repair Yours $880.00
    BACHARACH 0023-7350

    BACHARACH

    0023-7350

    GAS DETECTION AND ALARM SYSTEM PORTABLE
    Buy Surplus As Low As $1,740.00
    $1,740.00
    Repair Yours $1,450.00
    EDA CONTROLS AS-400

    EDA CONTROLS

    AS-400

    GAS DETECTOR
    $106.00 Buy Surplus As Low As $64.00
    $64.00
    DWYER CMT-WN-WP

    DWYER

    CMT-WN-WP

    WALL MOUNT CARBON MONOXIDE TRANSMITTER
    $515.00 Buy New $515.00
    $309.00
    Repair Yours $257.00
    DWYER CMT-WR-WP

    DWYER

    CMT-WR-WP

    SERIES CMT CARBON MONOXIDE TRANSMITTER
    $683.00 Buy New $683.00
    $410.00
    Repair Yours $341.00
    BIOSYSTEMS INC 54-23-000

    BIOSYSTEMS INC

    54-23-000

    GAS MONITOR PHD-LITE
    Buy Surplus As Low As $900.00
    $900.00
    Repair Yours $760.00
    SIEMENS QPA2002

    SIEMENS

    SIEMENS INDUSTRY

    QPA2002

    ROOM CO2 + VOC SENSOR, 0-10V
    $581.00 Buy New $581.00
    $349.00
    TCS BASYS CONTROLS PC1002

    TCS BASYS CONTROLS

    PC1002

    CARBON DIOXIDE SENSOR, WALL MOUNT, WITH DISPLAY, WHITE
    $504.00 Buy New $504.00
    $303.00
    TCS BASYS CONTROLS PC1102

    TCS BASYS CONTROLS

    PC1102

    CARBON DIOXIDE SENSOR, DUCT MOUNT, NO DISPLAY, WHITE HOUSING, 4-20 MA OUTPUT
    $449.00 Buy New $449.00
    $270.00
    VERIS CWLSXTHX2G

    VERIS

    CWLSXTHX2G

    CO2 WALLSENSORW/LCD DISPLAY
    $383.00 Buy Surplus As Low As $230.00
    $230.00
    Repair Yours $200.00
    US IGNITION 52404R

    US IGNITION

    52404R

    LEAK DETECTOR AMMONIA W/PPM SENSOR 115V 60HZ 14W
    Buy Surplus As Low As $1,590.00
    $1,590.00
    Repair Yours $1,350.00
    KELE & ASSOCIATES GDN-MCO-1

    KELE & ASSOCIATES

    GDN-MCO-1

    NETWORK CO GAS DETECTOR MODBUS
    $1,272.00 Buy Surplus As Low As $764.00
    $764.00
    Repair Yours $636.00
    HONEYWELL 4223990/L01058

    HONEYWELL

    4223990/L01058

    LUMINATOR ASSEMBLY RIGHT ANGLE
    $26.00 Buy Surplus As Low As $16.00
    $16.00
    Repair Yours Contact Us
    MACURCO GT-11

    MACURCO

    GT-11

    GAS DETECTOR COMBUSTIBLE
    $350.00 Buy Surplus As Low As $210.00
    $210.00
    Repair Yours $200.00
    SIEMENS QPA2284.EWNC

    SIEMENS

    SIEMENS INDUSTRY

    QPA2284.EWNC

    RM CO2+HUMIDITY+TEMPERATURE SENSOR, CO2+TE+RH, TEC/RJ11, BLNK, NO LOGO
    $730.00 Buy New $730.00
    $438.00
    KELE & ASSOCIATES KCO-A-H

    KELE & ASSOCIATES

    KCO-A-H

    CARBON MONOXIDE SENSOR WALL MOUNT 4-20MA
    $806.00 Buy Surplus As Low As $484.00
    $484.00
    Repair Yours $403.00
    BAPI BA/DCD10-D-BB-LED

    BAPI

    BA/DCD10-D-BB-LED

    CO2 DUCT SENSOR, 0-2000 PPM, 0-10 VDC OUTPUT, DUAL CHANNEL CALIBRATION, BAPI-BOX ENCLOSURE, 18-28 VAC/12-32 VDC, NDIR ELEMENT, NEMA 4 ENCLOSURE
    $360.00 Buy New $360.00
    $216.00
    CORNING 476501

    CORNING

    476501

    CARBON CONDUCTIVITY PROBE 0-1000MS EPOXY
    Buy Surplus As Low As $216.00
    $216.00
    Repair Yours $200.00
    DWYER CDT-2W40-LCD

    DWYER

    CDT-2W40-LCD

    CDT-2W40-LCD CO2 XMTR 2000 PPM
    $245.00 Buy New $245.00
    $147.00
    Repair Yours $200.00
    DWYER CDT-2W44

    DWYER

    CDT-2W44

    CDT-2W44 CO2 XMTR 2000PPM TEMP
    $216.00 Buy New $216.00
    $130.00
    Repair Yours $200.00
    DWYER CDT-2W44-LCD

    DWYER

    CDT-2W44-LCD

    CDT-2W44-LCD CO2 XMTR 2000PPM
    $258.00 Buy New $258.00
    $155.00
    Repair Yours $200.00
    DWYER CDT-2W4D

    DWYER

    CDT-2W4D

    CDT-2W4D CO2 XMTR 2000PPM CURV
    $212.00 Buy New $212.00
    $128.00
    Repair Yours $200.00
    DWYER CDT-2W4D-LCD

    DWYER

    CDT-2W4D-LCD

    CDT-2W4D-LCD CO2 XMTR 2000PPM
    $253.00 Buy New $253.00
    $152.00
    Repair Yours $200.00
    DWYER CDT-2W4E

    DWYER

    CDT-2W4E

    CDT-2W4E CO2 XMTR 2000PPM CURV
    $212.00 Buy New $212.00
    $128.00
    Repair Yours $200.00
    DWYER CDT-2W4E-LCD

    DWYER

    CDT-2W4E-LCD

    CDT-2W4E-LCD CO2 XMTR 2000PPM
    $253.00 Buy New $253.00
    $152.00
    Repair Yours $200.00
    TELEDYNE KIT000179

    TELEDYNE

    KIT000179

    INFRARED DETECTOR
    $1,378.00 Buy Surplus As Low As $827.00
    $827.00
    Repair Yours $700.00
    SIEMENS C79451-A3468-B531

    SIEMENS

    C79451-A3468-B531

    EMPFAENGERKAMMER, CO2
    $1,166.00 Buy Surplus As Low As $700.00
    $700.00
    WESTWOOD T32-30

    WESTWOOD

    T32-30

    CO2 CARTRIDGES, BOXED, PKG. OF 10
    $9.01 Buy New $9.01
    $5.41
    WESTWOOD T50-4

    WESTWOOD

    T50-4

    CO2 TESTER FLUID, (1) - BOTTLE
    $23.00 Buy New $23.00
    $14.00
    WESTWOOD T50-5

    WESTWOOD

    T50-5

    CO2 TESTER REPAIR KIT FOR BRIGON CO2 TESTER
    $62.00 Buy New $62.00
    $38.00
    VERIS CWVS1111

    VERIS

    CWVS1111

    CO2 SENSOR 0-3/5-10VDC 4-20MA
    $220.00 Buy Surplus As Low As $132.00
    $132.00
    Repair Yours $200.00
    DRAGER 4543445

    DRAGER

    4543445

    GAS DETECTOR HEAD POLYTRON
    Buy Surplus As Low As $900.00
    $900.00
    Repair Yours $760.00
    HONEYWELL 226530-001

    HONEYWELL

    226530-001

    GAS SENSOR 3/4INCH THREAD 3WIRE 6INCH LEAD
    $393.00 Buy Surplus As Low As $236.00
    $236.00
    Repair Yours $200.00
    GULTON RECORDERS 3-847-010

    GULTON RECORDERS

    3-847-010

    PYROMETER
    Buy Surplus As Low As $372.00
    $372.00
    Repair Yours $310.00
    DWYER CDT-2E4B-LCD

    DWYER

    CDT-2E4B-LCD

    CDT-2E4B-LCD CO2 XMTR 2000PPM
    $268.00 Buy New $268.00
    $161.00
    DWYER CDT-2E4C

    DWYER

    CDT-2E4C

    CDT-2E4C CO2 XMTR 2000PPM
    $192.00 Buy New $192.00
    $116.00
    Repair Yours Contact Us
    DWYER CDT-2E4C-LCD

    DWYER

    CDT-2E4C-LCD

    CDT-2E4C-LCD CO2 XMTR 2000PPM
    $230.00 Buy New $230.00
    $138.00
    Repair Yours $200.00
    DWYER CDT-2E4D

    DWYER

    CDT-2E4D

    CDT-2E4D CO2 XMTR 2000PPM
    $223.00 Buy New $223.00
    $134.00
    DWYER CDT-2E4F-LCD

    DWYER

    CDT-2E4F-LCD

    CDT-2E4F-LCD CO2 XMTR 2000PPM
    $268.00 Buy New $268.00
    $161.00
    DWYER CDT-2N4C

    DWYER

    CDT-2N4C

    CDT-2N4C CO2 XMTR 2000PPM
    $192.00 Buy New $192.00
    $116.00
    Repair Yours Contact Us
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