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    Safety Systems / Gas Monitoring System

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    Results 101-150 of 697.
    SMC 5100-25-IT

    SMC

    5100-25-IT

    AMMONIA SMART GAS SENSOR MODULE, 4-20 MA, EIGHT CHARACTER LED DISPLAY, FULL SCALE 100 PPM NH3
    ✓ IN STOCK!
    $3,940.00 Buy Surplus As Low As $1,425.89
    $1,425.89
    Repair Yours $1,326.81
    DRAGER 8313675

    DRAGER

    8313675

    DISCONTINUED BY MANUFACTURER, GAS DETECTOR, FIXED, POLYTRON
    ✓ IN STOCK!
    Buy Surplus As Low As $483.72
    $483.72
    Repair Yours $464.69
    MSA A-ULTIMAX-XP-E-31-U-3-S-2-0-0-0-0-1-0-0

    MSA

    A-ULTIMAX-XP-E-31-U-3-S-2-0-0-0-0-1-0-0

    DISCONTINUED BY MANUFACTURER, GAS DETECTOR, INDOOR/OUTDOOR, CONTINUOUS MONITORING OF HAZARDOUS GASES, 3-WIRE MA OUTPUT, EXPLOSION PROOF ENCLOSURE, W/ DISPLAY, COMB - NAT GAS & HYDROGEN
    ✓ IN STOCK!
    Buy Surplus As Low As $5,616.60
    $5,616.60
    Repair Yours $3,550.00
    AUTOMATION COMPONENTS INC Q5-H2S-100P-O-X

    AUTOMATION COMPONENTS INC

    Q5-H2S-100P-O-X

    SMART SENSOR W/ 3 SPDT RELAYS, 4-20MA OUTPUT OR MODBUS RTU, HYDROGEN SULPHIDE SENSOR, 0-100 PPM, NEMA 4X ENCLOSURE
    ✓ IN STOCK!
    $1,442.00 Buy New $1,442.00
    $616.50
    Repair Yours $478.83
    COOL AIR LBW-420

    COOL AIR

    LBW-420

    AMMONIA LEAK DETECTOR, DISPLAYS AMMONIA AND ALARM STATUS, 115 VAC, 60 HZ, 0.5 AMP, NEMA 4X UL LISTED ENCLOSURE
    ✓ IN STOCK!
    $1,963.65 Buy Surplus As Low As $881.28
    $881.28
    Repair Yours $812.74
    CROWCON DETECTION INSTRUMENTS TXGARD-IS OXYGEN DETECTOR

    CROWCON DETECTION INSTRUMENTS

    TXGARD-IS OXYGEN DETECTOR

    OXYGEN DETECTOR, 30V , 0.166A
    ✓ IN STOCK!
    $785.00 Buy Surplus As Low As $204.47
    $204.47
    INDUSTRIAL SCIENTIFIC MG140

    INDUSTRIAL SCIENTIFIC

    MG140

    DISCONTINUED BY MANUFACTURER, STAINLESS STEEL, ENAMEL CASED, 4.75 X 2.75 X 2 INCHES, (121 X 70 X 51 MM), RECHARGEABLE, REPLACEABLE NICKEL-CADMIUM BATTERYPACK, OR REPLACEABLE CELL ALKALINE BA ...
    ✓ IN STOCK!
    Buy Surplus As Low As $109.76
    $109.76
    SENVA AQW-ABAAAA1

    SENVA

    AQW-ABAAAA1

    GAS/SPECIALTY SENSOR, ANALOG, TEMP, CO2, AQW SERIES, WHITE, WALL MOUNT
    ✓ IN STOCK!
    $636.00 Buy New $636.00
    $484.00
    Repair Yours $318.00
    SIERRA MONITOR 5100-03-IT-A1-01-00-0-0

    SIERRA MONITOR

    5100-03-IT-A1-01-00-0-0

    IT SERIES GAS SENSOR MODULE, OXYGEN %VOL, ALUMINUM ENCLOSURE, 3/4 INCH NPT, SENTRY, RS- 485, 4-20MA, AND DIGITAL INPUT, IT STANDARD (NONE 5100-28-IT), STANDARD PROTECTION, INTEGRAL SENSOR
    ✓ IN STOCK!
    $2,943.35 Buy Surplus As Low As $1,593.97
    $1,593.97
    Repair Yours $1,311.00
    DET TRONICS PIRTBA2NB2L

    DET TRONICS

    PIRTBA2NB2L

    DISCONTINUED BY MANUFACTURER, HYDROCARBON DETECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $1,485.19
    $1,485.19
    Repair Yours $1,479.97
    SPACE AGE ELECTRONICS SSU-SL-701-KIT

    SPACE AGE ELECTRONICS

    SSU-SL-701-KIT

    CO DUCT DET KIT W/SAMPLE TUBES RMT ANN NORTESTRESET W/HN/ST , SSU-SL-701-KIT
    ✓ IN STOCK!
    $1,430.95 Buy Surplus As Low As $1,087.52
    $1,087.52
    Repair Yours $565.62
    SENVA AQW-AABBBE1

    SENVA

    AQW-AABBBE1

    CO2/RH/T SENSOR, ANALOG(0-5/10V), NO CO2 SENSOR, 2% RH SENSOR, 1K SLIDER, 10K2 THERMISTOR WITH OVERRIDE, WHITE
    ✓ IN STOCK!
    $230.00 Buy New $230.00
    $99.14
    Repair Yours $300.00
    BEACONMEDAES M3-A10-OXAVOAV

    BEACONMEDAES

    M3-A10-OXAVOAV

    MEGA3 / MEDICAL GAS NOTIFICATION SYSTEM, AREA ALARM (SSB-835-01), (2) 4107213100 / ASM 02 DISS, (1) 4107213101 / ASM N2O DISS, (2) 4107213102 / ASM AIR DISS, (2) 4107213103 / ASM VAC DISS, N ...
    ✓ IN STOCK!
    $5,674.43 Buy Surplus As Low As $2,562.64
    $2,562.64
    Repair Yours $2,363.56
    RIKEN KEIKI GP-581

    RIKEN KEIKI

    GP-581

    GAS DETECTOR, 0 - 2% H2, FOR SENSOR HW-6235, GP-581-PF
    ✓ IN STOCK!
    $152.64 Buy Surplus As Low As $53.91
    $53.91
    Repair Yours $300.00
    HORIBA A1A-23

    HORIBA

    A1A-23

    DISCONTINUED BY MANUFACTURER, INFRARED GAS ANALYZER, LONG BODY, RANGE-CO2, LENGTH 20 INCHES, WIDTH 4 INCHES
    ✓ IN STOCK!
    Buy Surplus As Low As $45.35
    $45.35
    Repair Yours $300.00
    DRAGER 4544121

    DRAGER

    4544121

    DISCONTINUED BY MANUFACTURER, GAS DETECTOR, POLYTRON 5000 SERIES, 30 VDC, 20 MA
    ✓ IN STOCK!
    Buy Surplus As Low As $753.94
    $753.94
    Repair Yours $500.62
    HONEYWELL MULTIVISION

    HONEYWELL

    SPERIAN PROTECTION

    MULTIVISION

    DISCONTINUED BY MANUFACTURER, MULTIVISION SENSOR, MULTI GAS DETECTION UNIT, BIOSYSTEMS, 4 INDEPENDANT SENSORS, MODE BUTTON, BACKLIT LCD DISPLAY, AUTOCALIBRATION
    ✓ IN STOCK!
    Buy Surplus As Low As $283.44
    $283.44
    Repair Yours $300.00
    AUTOMATION COMPONENTS INC ESENSE-D

    AUTOMATION COMPONENTS INC

    ESENSE-D

    CARBON DIOXIDE SENSOR, 0-2000 PPM, DUCT MOUNT, 0-10VDC & 4-20MA OUTPUT
    ✓ IN STOCK!
    $450.00 Buy New $450.00
    $219.80
    Repair Yours $300.00
    AUTOMATION COMPONENTS INC ESENSE-D-LCD

    AUTOMATION COMPONENTS INC

    ESENSE-D-LCD

    CARBON DIOXIDE SENSOR, 0-2000 PPM, DUCT MOUNT, LCD, 0-10VDC & 4-20MA OUTPUT
    ✓ IN STOCK!
    $492.00 Buy New $492.00
    $280.50
    Repair Yours $300.00
    AUTOMATION COMPONENTS INC ESENSE-R

    AUTOMATION COMPONENTS INC

    ESENSE-R

    CARBON DIOXIDE SENSOR, RANGE 0-2000 PPM, OUTPUT 0-10V, OUTPUT 2-10V / 4-20 MA, NO LCD, WALL MOUNT
    ✓ IN STOCK!
    $370.00 Buy New $370.00
    $228.42
    Repair Yours $300.00
    TIF INSTRUMENTS TIF8800X-E

    TIF INSTRUMENTS

    TIF8800X-E

    DETECTOR, COMBUSTIBLE GAS DETECTOR, 220 V, 32F TO 125F
    ✓ IN STOCK!
    $550.00 Buy Surplus As Low As $330.00
    $330.00
    Repair Yours $300.00
    HONEYWELL E3M

    HONEYWELL

    HONEYWELL ANALYTICS

    E3M

    SENSOR CARTRIDGE, E3 POINT METHANE (CH4) SENSOR CARTRIDGE, FOR USE WITH STANDALONE SENSOR/CONTROLLER
    ✓ IN STOCK!
    $614.02 Buy Surplus As Low As $368.41
    $368.41
    Repair Yours $301.00
    HONEYWELL E3O2

    HONEYWELL

    HONEYWELL ANALYTICS

    E3O2

    OXYGEN (O2) SENSOR, CARTRIDGE, FOR FOR E3POINT
    ✓ IN STOCK!
    $540.52 Buy Surplus As Low As $324.31
    $324.31
    Repair Yours $300.00
    HONEYWELL E3SM

    HONEYWELL

    HONEYWELL ANALYTICS

    E3SM

    GAS SENSOR, SURFACE MOUNT, MODBUS, 24 V AC/DC, FOR USE W/ANALYTICS 301C TOXIC AND COMBUSTIBLE GAS DETECTION CONTROLLER
    ✓ IN STOCK!
    $869.00 Buy Surplus As Low As $449.73
    $449.73
    Repair Yours $420.00
    HONEYWELL DOCK2-0-1C1N-00-G

    HONEYWELL

    BW TECHNOLOGIES

    DOCK2-0-1C1N-00-G

    DOCKING MODULE, GAS/ALERT/QUATTRO, CHARGING WITH POWER SUPPLY
    ✓ IN STOCK!
    $585.57 Buy Surplus As Low As $241.90
    $241.90
    Repair Yours $300.00
    HONEYWELL GAXT-A-DL

    HONEYWELL

    BW TECHNOLOGIES

    GAXT-A-DL

    DISCONTINUED BY MANUFACTURER, SINGLE-GAS DETECTOR, AMMONIA, 0-100 PPM MEASURING RANGE, YELLOW
    ✓ IN STOCK!
    Buy Surplus As Low As $630.42
    $630.42
    Repair Yours $498.00
    MSA A-ULTX-SENS-31-1-0

    MSA

    A-ULTX-SENS-31-1-0

    GAS SENSOR, ULTIMA X SERIES, 0-100 PERCENT LEL, COMBUSTIBLE GAS, NATURAL GAS AND H2O
    ✓ IN STOCK!
    $1,993.95 Buy Surplus As Low As $1,140.00
    $1,140.00
    MSA A-ULTX-SENS-14-1-0

    MSA

    A-ULTX-SENS-14-1-0

    GAS SENSOR, ULTIMA X SERIES, 0-25 PERCENT OXYGEN, GENERAL PURPOSE, FINE THREADED
    ✓ IN STOCK!
    $1,597.51 Buy Surplus As Low As $958.72
    $958.72
    FDR DESIGN 10198

    FDR DESIGN

    10198

    ARGON GAS SENSOR BOARD ASSEMBLY
    ✓ IN STOCK!
    $322.46 Buy Surplus As Low As $214.97
    $214.97
    HONEYWELL MPRO-4ABCD

    HONEYWELL

    MPRO-4ABCD

    DISCONTINUED BY MANUFACTURER, GAS DETECTOR 4SENSOR LUMIDOR MICROMAX PRO
    ✓ IN STOCK!
    Buy Surplus As Low As $348.47
    $348.47
    Repair Yours $300.00
    STONEL CORPORATION QZE7VB5DSS-IMTX1

    STONEL CORPORATION

    QZE7VB5DSS-IMTX1

    QUARTZ EXPLOSIONPROOF VALVE 10A 125/250VAC 4-20MA
    ✓ IN STOCK!
    Buy Surplus As Low As $423.00
    $423.00
    Repair Yours $320.00
    OLDHAM GAS CEX800

    OLDHAM GAS

    CEX800

    DISCONTINUED BY MANUFACTURER, GAS DETECTOR, 0.4 AMP, 30 VDC, IP54, RANGE: -25/55 DEG
    ✓ IN STOCK!
    Buy Surplus As Low As $165.00
    $165.00
    HONEYWELL E3SBSCO

    HONEYWELL

    GAMEWELL-FCI

    E3SBSCO

    COMMERCIAL GAS DETECTION, 24 VDC, 50 / 60 HZ, 0.15 AMPS, 4 - 20 MA, LED DISPLAY, PUSHBUTTON, WALL OR DUCT MOUNTING
    ✓ IN STOCK!
    $1,595.00 Buy Surplus As Low As $469.94
    $469.94
    Repair Yours $433.39
    DET TRONICS R8471-H1004

    DET TRONICS

    R8471-H1004

    DISCONTINUED BY MANUFACTURER, GAS CONTROLLER, SINGLE CHANNEL, INPUT; 18-32VDC / 4.0 WATTS MAX, OUTPUT; RATED 100MA DC AND DIODE CLAMPED TO A 32V ZENER DIODE, OUTPUTS ARE 4-20MA, RATED 600OHM ...
    ✓ IN STOCK!
    Buy Surplus As Low As $358.48
    $358.48
    Repair Yours $316.53
    CROWCON DETECTION INSTRUMENTS S01-637-300P

    CROWCON DETECTION INSTRUMENTS

    S01-637-300P

    GAS DETECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $179.00
    $179.00
    NET SAFETY MONITORING INC R2G-LEL-24-100

    NET SAFETY MONITORING INC

    R2G-LEL-24-100

    DISCONTINUED BY MANUFACTURER, CURRENT O/P, UNITROL GAS CONTROLLER CARD, PCB BOARD MODULE, 21 TERMINALS
    ✓ IN STOCK!
    Buy Surplus As Low As $1,568.93
    $1,568.93
    Repair Yours $1,302.21
    MSA 812048

    MSA

    812048

    GAS MONITOR 55PERCENT LED 0.6PERCENT PROPANE
    ✓ IN STOCK!
    $572.40 Buy Surplus As Low As $180.89
    $180.89
    Repair Yours $300.00
    GENERAL MOTORS 4001

    GENERAL MOTORS

    4001

    GAS DETECTOR 3WIRE REAR MOUNT
    ✓ IN STOCK!
    $104.54 Buy Surplus As Low As $80.42
    $80.42
    Repair Yours $300.00
    MSA A-ULTX-SENS-39-10-C

    MSA

    A-ULTX-SENS-39-10-C

    GAS SENSOR, ULTIMA X SERIES, 0-100 PERCENT, PROPANE, STAINLESS STEEL
    ✓ IN STOCK!
    $4,855.32 Buy Surplus As Low As $2,771.67
    $2,771.67
    MSA 10074136

    MSA

    10074136

    SINGLE GAS DETECTOR PKGDALTAIR PRO H2S
    ✓ IN STOCK!
    $665.00 Buy Surplus As Low As $313.54
    $313.54
    Repair Yours $300.00
    SIEMENS 7MB2335-2AG10-3AA1

    SIEMENS

    7MB2335-2AG10-3AA1

    DISCONTINUED BY MANUFACTURER SINCE: 18/10/16, GAS ANALYZER, 230V, 50 HZ, 60 VA, 0-200/1000 VPM, ULTRAMAT 32
    ✓ IN STOCK!
    $17,050.00 Buy Surplus As Low As $10,230.00
    $10,230.00
    HONEYWELL 007168-002

    HONEYWELL

    007168-002

    INFRARED HYDROCARBON GAS DETECTOR, INPUT VOLTAGE 24 VDC NOMINAL, OPERATING RANGE IS 18 TO 32 VDC, POWER CONSUMPTION 4.0 WATT NOMINAL @ 24 VDC, 7.5 WATT MAXIMUM @ 24 VDC, 10 WATT MAXIMUM @ 32 ...
    ✓ IN STOCK!
    $8,427.86 Buy Surplus As Low As $2,681.37
    $2,681.37
    Repair Yours $2,342.67
    TYCO PG9913

    TYCO

    DSC SECURITY

    PG9913

    DISCONTINUED BY MANUFACTURER, CARBON MONOXIDE DETECTOR, POWERG, 915MHZ, WIRELESS
    ✓ IN STOCK!
    Buy Surplus As Low As $192.81
    $192.81
    HONEYWELL 2302B11009BER

    HONEYWELL

    2302B11009BER

    IMPACT PRO LUMIDOR GAS DETECTOR W/ PUMP
    ✓ IN STOCK!
    $658.00 Buy Surplus As Low As $395.00
    $395.00
    Repair Yours $329.00
    AUTOMATION COMPONENTS INC A/CO2-R2SO-CP-A11-G5

    AUTOMATION COMPONENTS INC

    A/CO2-R2SO-CP-A11-G5

    CARBON DIOXIDE SENSOR, 0-2000 PPM, (0-5VDC, 0-10VDC, 4-20MA), ROOM (R2), 10,000 OHM THERMISTOR (TYPE II), W/ SETPOINT 2.05K TO 3.05K, BLUE/RED (R2 ENCLOSURE) AND OVERRIDE
    ✓ IN STOCK!
    $432.96 Buy New $432.96
    $259.78
    Repair Yours $300.00
    AUTOMATION COMPONENTS INC Q5-GENL-100L-O-X-HEXANE

    AUTOMATION COMPONENTS INC

    Q5-GENL-100L-O-X-HEXANE

    SMART SENSOR W/ 3 SPDT RELAYS, 4-20MA OUTPUT OR MODBUS RTU, HEXANE, 0-100% LEL, NEMA 4X ENCLOSURE
    ✓ IN STOCK!
    $1,045.00 Buy New $1,045.00
    $627.00
    Repair Yours $521.00
    AUTOMATION COMPONENTS INC ASENSE-GH-LCD

    AUTOMATION COMPONENTS INC

    ASENSE-GH-LCD

    CARBON DIOXIDE SENSOR, 0-2000 PPM, RELAY AND TEMPERATURE, GREENHOUSE, CONFORMALLY COATED PCB, LCD, RELAY
    ✓ IN STOCK!
    $987.00 Buy New $987.00
    $563.25
    Repair Yours $395.50
    MSA A-ULTIMAX-XP-E-16-U-3-S-2-0-0-0-0-1-0-0

    MSA

    A-ULTIMAX-XP-E-16-U-3-S-2-0-0-0-0-1-0-0

    DISCONTINUED BY MANUFACTURER, GAS DETECTOR, INDOOR/OUTDOOR, CONTINUOUS MONITORING OF HAZARDOUS GASES, 3-WIRE MA OUTPUT, EXPLOSION PROOF ENCLOSURE
    ✓ IN STOCK!
    Buy Surplus As Low As $1,138.50
    $1,138.50
    Repair Yours $850.46
    MSA 10053966

    MSA

    10053966

    DISCONTINUED BY MANUFACTURER, GAS MONITOR POWER SUPPLY, ULTIMA X SERIES, EXPLOSION-PROOF MODEL, 4-20 MA 3-WIRE TOXIC, W/ LEDS AND RELAYS, NASO VERSION
    ✓ IN STOCK!
    Buy Surplus As Low As $89.48
    $89.48
    Repair Yours $300.00
    MSA A-ULTIMAX-XP-E-16-U-1-D-0-0-0-0-0-1-0-0

    MSA

    A-ULTIMAX-XP-E-16-U-1-D-0-0-0-0-0-1-0-0

    DISCONTINUED BY MANUFACTURER, GAS MONITOR, EXPLOSION PROOF WITH DISPLAY, STANDARD TOXICS AND OXYGEN, 1 INCH NPT THREAD, 2-WIRE MA OUTPUT, NO PCBA, SENSOR MOUNTED ON REMOTE HOUSING, NO RELAYS ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,615.58
    $1,615.58
    Repair Yours $1,340.93
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