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    Safety Systems / Gas Monitoring System

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    Results 1-50 of 696.
    MSA ALTAIR 4XR

    MSA

    ALTAIR 4XR

    GAS DETECTOR, 4 GAS MONITOR
    ✓ IN STOCK!
    $1,998.00 Buy Surplus As Low As $1,199.00
    $1,199.00
    Repair Yours $996.00
    DRAGER 8321892

    DRAGER

    8321892

    GAS DETECTOR MODULE, X-DOCK MODULE PAC, PORTABLE, 600-1050 MBAR, 100 PERECENT / NOT CONDENSING, 109 X 61 X 206 MM
    ✓ IN STOCK!
    $3,524.00 Buy Surplus As Low As $2,115.00
    $2,115.00
    Repair Yours $1,756.00
    CALIBRATION TECHNOLOGIES INC GG-NH3-1000

    CALIBRATION TECHNOLOGIES INC

    GG-NH3-1000

    DISCONTINUED BY MANUFACTURER, SENSOR, GAS, AMMONIA, MONITOR, 24VDC, 350MA
    ✓ IN STOCK!
    Buy Surplus As Low As $840.00
    $840.00
    Repair Yours $698.00
    MSA 10154185

    MSA

    10154185

    GAS DETECTOR / PORTABLE, ALTAIR 2X, CO / 25 / 100, GLOW-IN-THE-DARK
    ✓ IN STOCK!
    $1,073.00 Buy Surplus As Low As $816.00
    $816.00
    Repair Yours $534.52
    PRIORITYONE 6810-0056-M-CO

    PRIORITYONE

    6810-0056-M-CO

    DISCONTINUED BY MANUFACTURER, AIRAWARE GAS MONITORING SYSTEM, M=MONITOR, CO=CARBON MONOXIDE, RATED INPUT: 24 VAC 60 HZ/24 VDC, 125MA, INPUT: 120 VAC 60 HZ 23W, OUTPUT: 24 VAC 600MA, PLUG-IN ...
    ✓ IN STOCK!
    Buy Surplus As Low As $198.00
    $198.00
    Repair Yours $300.00
    INDUSTRIAL SCIENTIFIC LTX310

    INDUSTRIAL SCIENTIFIC

    LTX310

    DISCONTINUED BY MANUFACTURER, MULTI GAS MONITOR DETECTOR, PERMISSABLE METHANE-TOXIC-OXYGEN MONITOR
    ✓ IN STOCK!
    Buy Surplus As Low As $128.94
    $128.94
    Repair Yours $300.00
    HONEYWELL R4140G1049

    HONEYWELL

    R4140G1049

    DISCONTINUED BY MANUFACTURER, PROGRAM CONTROL, FLAME SAFEGUARD, 120/60SEC, NO COVER
    ✓ IN STOCK!
    Buy Surplus As Low As $308.63
    $308.63
    Repair Yours $300.00
    VALQUIP HTM-50

    VALQUIP

    HTM-50

    DISCONTINUED BY MANUFACTURER, TRANSMITTER TRACE MONITOR
    ✓ IN STOCK!
    Buy Surplus As Low As $236.96
    $236.96
    Repair Yours $300.00
    INDUSTRIAL SCIENTIFIC 1702-3516

    INDUSTRIAL SCIENTIFIC

    1702-3516

    DISCONTINUED BY MANUFACTURER, OXYGEN SENSOR, FOR GAS MONITOR
    ✓ IN STOCK!
    Buy Surplus As Low As $224.46
    $224.46
    MSA 510-DH

    MSA

    510-DH

    DETECTOR HYDROGEN 0-100 COMBUSTIBLE GAS RANGE
    ✓ IN STOCK!
    Buy Surplus As Low As $762.92
    $762.92
    Repair Yours $740.61
    MSA 449917

    MSA

    449917

    KIT DIFFUSION HEAD SENSOR
    ✓ IN STOCK!
    Buy Surplus As Low As $65.99
    $65.99
    Repair Yours $300.00
    DET TRONICS 006824-002

    DET TRONICS

    006824-002

    COMBUSTIBLE GAS SENSOR, FOR MODELS 505 / 500 / K-SERIES TRANSMITTERS, CATALYTIC, 3/4 INCH THREADS, 6 INCH LEAD LENGTH, 316 STAINLESS STEEL HOUSING, FOR DUCUEX, -55 TO 125 DEGREE C
    ✓ IN STOCK!
    $1,194.00 Buy Surplus As Low As $757.37
    $757.37
    MSA 813624

    MSA

    813624

    GAS SENSOR, COMBUSTIBLE GAS SENSOR, REPLACEMENT, 100% LEL, ULTIMA
    ✓ IN STOCK!
    $2,727.84 Buy Surplus As Low As $1,544.29
    $1,544.29
    Repair Yours $1,269.07
    MAXITROL RV111-2 1/2

    MAXITROL

    RV111-2 1/2

    GAS REGULATOR, 2.5 INCH, CSA REGULATOR, 1/2 MAX IN, 3-6 IN OUT
    ✓ IN STOCK!
    $1,233.57 Buy Surplus As Low As $740.14
    $740.14
    Repair Yours $581.00
    MSA 473693

    MSA

    473693

    SENSING HEAD, MODEL 1-3 REPLACEMENT
    ✓ IN STOCK!
    $2,714.57 Buy Surplus As Low As $1,468.54
    $1,468.54
    MSA A-ULTX-SENS-39-2-0

    MSA

    A-ULTX-SENS-39-2-0

    GAS SENSOR, ULTIMA X SERIES, 0-100 PERCENT, PROPANE, STAINLESS STEEL, NPT THREADS
    ✓ IN STOCK!
    $4,484.28 Buy Surplus As Low As $2,538.13
    $2,538.13
    HONEYWELL 9602-0205

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    9602-0205

    GAS DETECTOR, SATELLITE XT SERIES, 4-20 MA, WITHOUT RELAYS, DIN
    ✓ IN STOCK!
    $4,000.85 Buy Surplus As Low As $797.90
    $797.90
    Repair Yours $662.26
    GENERAL MONITORS INC 18-01-100

    GENERAL MONITORS INC

    18-01-100

    DISCONTINUED BY MANUFACTURER, GAS MONITOR, MODEL 180
    ✓ IN STOCK!
    Buy Surplus As Low As $485.11
    $485.11
    Repair Yours $402.64
    MSA 5100

    MSA

    5100

    DISCONTINUED BY MANUFACTURER, GAS MONITOR, 110/220VAC, 0.6AMP, 35VA
    ✓ IN STOCK!
    Buy Surplus As Low As $495.00
    $495.00
    Repair Yours $410.85
    TIF INSTRUMENTS TIF8800A

    TIF INSTRUMENTS

    TIF8800A

    DISCONTINUED BY MANUFACTURER, (8800A), COMBUSTIBLE GAS DETECTOR, 5-50PPM, INSTANTANEOUS RESPONSE, AUTO WARM UP, ADJUSTABLE SENSITIVITY, 2.4V NI-CAD BATTERY SUPPLY, 32-125 DEG F
    ✓ IN STOCK!
    Buy Surplus As Low As $171.00
    $171.00
    AMERICAN SENSOR CORP NG200

    AMERICAN SENSOR CORP

    NG200

    DISCONTINUED BY MANUFACTURER, NATURAL GAS DETECTOR, 120 VAC, PLUG-IN
    ✓ IN STOCK!
    Buy Surplus As Low As $82.37
    $82.37
    MSA 511

    MSA

    511

    MSA 511 - GAS MONITOR
    ✓ IN STOCK!
    Buy Surplus As Low As $281.88
    $281.88
    Repair Yours $300.00
    GENERAL MONITORS INC 10014-1

    GENERAL MONITORS INC

    10014-1

    GAS SENSOR, COMBUSTIBLE GAS, 400 DEG F/200 DEG C MAX, ALUMINUM, FOR USE WITH S4000CH-1-0-03-1
    ✓ IN STOCK!
    $1,917.00 Buy Surplus As Low As $1,035.25
    $1,035.25
    HONEYWELL E3H2

    HONEYWELL

    HONEYWELL ANALYTICS

    E3H2

    (1309A0039) HYDROGEN (H2); -40-¦ TO 50-¦C (-40-¦ TO 122-¦F)
    ✓ IN STOCK!
    $610.00 Buy Surplus As Low As $331.31
    $331.31
    Repair Yours $300.00
    MSA A-ULTX-SENS-38-2-0

    MSA

    A-ULTX-SENS-38-2-0

    GAS SENSOR, ULTIMA X SERIES, 0-100 PERCENT, METHANE, STAINLESS STEEL
    ✓ IN STOCK!
    $4,948.12 Buy Surplus As Low As $2,529.04
    $2,529.04
    INDUSTRIAL SCIENTIFIC 1710-1080

    INDUSTRIAL SCIENTIFIC

    1710-1080

    SENSOR CO
    ✓ IN STOCK!
    $303.54 Buy Surplus As Low As $134.07
    $134.07
    Repair Yours $300.00
    AUTOMATION COMPONENTS INC CO2-010-D

    AUTOMATION COMPONENTS INC

    CO2-010-D

    CARBON DIOXIDE SENSOR, 0-10VDC OUTPUT, DUCT MOUNT
    ✓ IN STOCK!
    $660.00 Buy New $660.00
    $396.00
    Repair Yours $300.00
    HONEYWELL E3SAH

    HONEYWELL

    HONEYWELL ANALYTICS

    E3SAH

    GAS DETECTOR, WALL MOUNTED, TOXIC AND COMBUSTIBLE STANDALONE E3 POINT, 2 DPDT RELAYS, 4-20 MA COMMUNICATION, AUDIBLE ALARM, 120 VAC
    ✓ IN STOCK!
    $869.00 Buy Surplus As Low As $574.00
    $574.00
    Repair Yours $429.00
    HONEYWELL VA201C

    HONEYWELL

    HONEYWELL ANALYTICS

    VA201C

    DISCONTINUED BY MANUFACTURER, GAS DETECTION CONTROLLER, 2 ALARM LEVELS WITH PROGRAMMABLE TIME DELAYS, OPTIONAL LCD DISPLAY, FAILURE INDICATOR, HIGH/LOW DPDT ALARM RELAYS, AUDIO/VISUAL ALARMS ...
    ✓ IN STOCK!
    Buy Surplus As Low As $1,138.10
    $1,138.10
    Repair Yours $1,049.58
    HONEYWELL E3NO2

    HONEYWELL

    HONEYWELL ANALYTICS

    E3NO2

    SENSOR CARTRIDGE, NITROGEN DIOXIDE, 0-10 PPM, 4-20MA OUTPUT
    ✓ IN STOCK!
    $543.94 Buy Surplus As Low As $413.39
    $413.39
    Repair Yours $300.00
    AUTOMATION COMPONENTS INC ESENSE-IP50

    AUTOMATION COMPONENTS INC

    ESENSE-IP50

    CARBON DIOXIDE SENSOR, 0-2000 PPM, IP50 ENCLOSURE, PIGTAIL WIRING, 0-10VDC & 4-20MA OUTPUT
    ✓ IN STOCK!
    $405.00 Buy New $405.00
    $291.16
    Repair Yours $300.00
    ALLESTEC 800-1457-1454

    ALLESTEC

    800-1457-1454

    GAS DETECTION MODULE, NT420 SERIES, %LFL, W/ DISPLAY, STATUS LEDS, 20-28 V DC
    ✓ IN STOCK!
    $861.37 Buy Surplus As Low As $502.98
    $502.98
    Repair Yours $401.00
    MOCON PAC-CHECK-650

    MOCON

    PAC-CHECK-650

    DISCONTINUED BY MANUFACTURER, GAS ANALYZER CO2, INPUT VOLTAGE 120VAC, 1.5AMP, RS-232 COMMUNICATION PORT, 001-114
    ✓ IN STOCK!
    Buy Surplus As Low As $1,187.29
    $1,187.29
    RKI INSTRUMENTS 24-0006RK

    RKI INSTRUMENTS

    24-0006RK

    DISCONTINUED BY MANUFACTURER, PC BOARD, ANALYZER RELAY CARD, FOR GAS MONITOR
    ✓ IN STOCK!
    Buy Surplus As Low As $319.39
    $319.39
    Repair Yours $300.00
    NET SAFETY MONITORING INC R4G-LEL-24-100

    NET SAFETY MONITORING INC

    R4G-LEL-24-100

    DISCONTINUED BY MANUFACTURER, GAS MONITORING SYSTEM 24VDC 4-CHANNEL
    ✓ IN STOCK!
    Buy Surplus As Low As $1,804.26
    $1,804.26
    Repair Yours $1,497.53
    HONEYWELL IAQPT-SM-A

    HONEYWELL

    IAQPT-SM-A

    C02 GAS MONITOR, 4-20MA, 20-30VAC, 10VA, 50/60H, WALL MOUNT
    ✓ IN STOCK!
    Buy Surplus As Low As $176.02
    $176.02
    Repair Yours $300.00
    GENESIS 44-0222

    GENESIS

    44-0222

    INFARED REFRIGERANT GAS SENSOR 134A
    ✓ IN STOCK!
    $181.80 Buy Surplus As Low As $75.54
    $75.54
    Repair Yours $300.00
    ECO SENSORS C-30ZX

    ECO SENSORS

    C-30ZX

    OZONE MONITOR, AUDIO ALARM, LED READOUT, .02 TO .14 PPM RANGE (LED SCALE), HEATED METAL OXIDE SEMICONDUCTOR (HMOS) SENSOR, 12 VDC, 300 MA
    ✓ IN STOCK!
    $1,136.10 Buy Surplus As Low As $650.00
    $650.00
    Repair Yours $523.00
    3M CM-2B

    3M

    CM-2B

    GAS DETECTOR; GAS DETECTOR TYPE:SINGLE GAS; NO. OF SENSORS:1; FOR USE WITH:HVAC/BLDG. AUTOMATION SYSTEMS; FEATURES:DIGITAL METER (0-250PPM), NEMA 1 EN
    ✓ IN STOCK!
    $748.00 Buy Surplus As Low As $222.46
    $222.46
    Repair Yours $300.00
    ENMET CGS-90RS

    ENMET

    CGS-90RS

    COMBUSTABLE GAS DETECTOR
    ✓ IN STOCK!
    Buy Surplus As Low As $38.50
    $38.50
    Repair Yours $300.00
    HONEYWELL SPXCDASMFX

    HONEYWELL

    HONEYWELL ANALYTICS

    SPXCDASMFX

    SENSEPOINT XCD GAS DETECTOR 0-100LEL,20-100
    ✓ IN STOCK!
    $2,449.00 Buy Surplus As Low As $1,862.00
    $1,862.00
    Repair Yours $1,221.00
    MACURCO CM-21A

    MACURCO

    CM-21A

    MACURCO CM-6 CO DETECTOR & TRANSDUCER W/LED DISPLAY. CARBON MONOXIDE DETECTOR PROGRAMMABLE LOW VOLTAGE DUAL RELAY CONTROLLER AND 4-20MA TRANSDUCER. GSA GS-07F-9515S
    ✓ IN STOCK!
    Buy Surplus As Low As $517.03
    $517.03
    Repair Yours $300.00
    GENERAL MONITORS INC 50445-1

    GENERAL MONITORS INC

    50445-1

    H2S SENSOR, METAL OXIDE SEMICONDUCTOR, SOLID-STATE, 4-WIRE, 0-100 PPM, ALUMINUM MATERIAL, CSA & FM CERTIFICATIONS
    ✓ IN STOCK!
    $2,475.21 Buy Surplus As Low As $1,415.01
    $1,415.01
    TELEDYNE M300E

    TELEDYNE

    M300E

    GAS FILTER CO ANALYZER
    ✓ IN STOCK!
    $9,046.57 Buy Surplus As Low As $5,569.62
    $5,569.62
    Repair Yours $3,707.39
    MSA A-ULTX-PCB-AE3000

    MSA

    A-ULTX-PCB-AE3000

    DISCONTINUED BY MANUFACTURER, GAS MONITOR, ULTIMA X SERIES, GENERAL PURPOSE, 4-20 MA, 3-WIRE TOXIC AND O2 SENSORS, NO LEDS AND NO RELAYS, NASO VERSION
    ✓ IN STOCK!
    Buy Surplus As Low As $1,917.27
    $1,917.27
    Repair Yours $1,290.00
    HONEYWELL M-600105

    HONEYWELL

    HONEYWELL ANALYTICS

    M-600105

    VENT LINE SENSOR, CONTINUOUS MONITORING, 4-20 MA OUTPUT, INPUT DIRECTLY TO CENTRAL ALARM SYSTEMS, SUITABLE FOR AMMONIA AND FLUOROCARBONS
    ✓ IN STOCK!
    $1,540.00 Buy Surplus As Low As $717.26
    $717.26
    Repair Yours $661.48
    HONEYWELL 2302B0800

    HONEYWELL

    2302B0800

    BASE STATION FOR GAS DETECTOR
    ✓ IN STOCK!
    $54.72 Buy Surplus As Low As $20.47
    $20.47
    DRAGER 4543009

    DRAGER

    4543009

    DISCONTINUED BY MANUFACTURER, GAS DETECTOR POLYTRON 2XP, 5 WIRE TERMINATION, SCREW TERMINALS (5X)
    ✓ IN STOCK!
    Buy Surplus As Low As $247.10
    $247.10
    Repair Yours $300.00
    RHEEM SP20832A

    RHEEM

    SP20832A

    NATURAL GAS CONTROL THERMOSTAT, 24VAC LOW VOLTAGE, GAS VALVE, ADJUSTABLE REGULATOR, MANUAL SHUT OFF , SP20832A
    ✓ IN STOCK!
    $406.99 Buy Surplus As Low As $244.19
    $244.19
    Repair Yours $300.00
    TYCO 4688-IR-1-1-1-1-1-11-11

    TYCO

    SCOTT SAFETY

    4688-IR-1-1-1-1-1-11-11

    DISCONTINUED BY MANUFACTURER, GAS TRANSMITTER, COMBUSTIBLE GAS/CARBON DIOXIDE, 4600-IR SERIES, INPUT 24 +/- 4VDC, 4 WATTS, RELAY CONTACT 240VAC/VDC, 3 AMP, -20 DEGREE C TO 60 DEGREE C TEMP R ...
    ✓ IN STOCK!
    Buy Surplus As Low As $820.27
    $820.27
    Repair Yours $796.29
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