Product Search

    SEARCH NOW FOR ALL YOUR RADWELL SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    Sensors & Switches / Oxygen Sensor

    Radwell is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.

    Filter Results
    Results 201-250 of 949.
    AMETEK WDG-IV-CONTROL

    AMETEK

    WDG-IV-CONTROL

    DISCONTINUED BY MANUFACTURER, THERMOX FLUE GAS MONITOR
    Buy Surplus As Low As $10,620.15
    $10,620.15
    Repair Yours $8,650.00
    YOKOGAWA AV550G-B-B4-E-1-E/SCT

    YOKOGAWA

    AV550G-B-B4-E-1-E/SCT

    ZIRCONIA OXYGEN ANALYZER AVERAGING CONVERTER MODULE
    $2,544.30 Buy Surplus As Low As $1,526.58
    $1,526.58
    AQUAMETRIX BY WATER ANALYTICS AM-ODO-015

    AQUAMETRIX BY WATER ANALYTICS

    AM-ODO-015

    DISCONTINUED BY MANUFACTURER, DISSOLVED OXYGEN SENSOR, 0-5 V OUTPUT, DUAL 4-20 MA, OUTPUT OF %-SATURATION, NO ELECTROLYTE, SAMPLE FLOW NOT REQUIRED, REPLACEABLE MEMBRANE
    Buy Surplus As Low As $1,025.74
    $1,025.74
    Repair Yours $819.00
    AUTOMATION COMPONENTS INC B6-CO/NO2-10P

    AUTOMATION COMPONENTS INC

    B6-CO/NO2-10P

    BACNET MSTP, SMART SENSOR, COMBINATION, MAIN: CO 0-250 PPM, REMOTE: NO2 0-10 PPM, 3 SPDT RELAYS, NEMA 4X
    $1,473.15 Buy New $1,473.15
    $884.10
    PBI DANSENSOR MAPCHECK-9002-2X

    PBI DANSENSOR

    MAPCHECK-9002-2X

    INDUSTRIAL SENSOR MODULE,207-255VAC
    $1,500.00 Buy Surplus As Low As $600.00
    $600.00
    Repair Yours $498.00
    PUREAIRE MONITORING SYSTEMS TX-1100-SAM

    PUREAIRE MONITORING SYSTEMS

    TX-1100-SAM

    OXYGEN DETECTOR, SAMPLE DRAW OXYGEN DEFICIENCY MONITOR, SAMPLES UP TO 100 FEET AWAY, 3/4 INCH LCD DIGITAL DISPLAY, 0-25% RANGE, 24 VDC, 300MA, SIGNAL OUTPUT: 4-20MA, POLYCARBONATE ENCLOSURE
    $6,105.00 Buy Surplus As Low As $1,241.05
    $1,241.05
    Repair Yours $1,212.00
    GENERAL ELECTRIC OX-5

    GENERAL ELECTRIC

    OX-5

    OXYGEN SENSOR, 0-100 PPM & 1000 PPM, PANAMETRICS
    $1,420.00 Buy Surplus As Low As $852.00
    $852.00
    E INSTRUMENTS 2200-NOX

    E INSTRUMENTS

    2200-NOX

    DISCONTINUED BY MANUFACTURER, CARBON MONOXIDE / OXYGEN ANALIZER, 02/C0 SENSOR
    Buy Surplus As Low As $612.06
    $612.06
    Repair Yours $500.00
    DELTA CONTROLS FA31110AP

    DELTA CONTROLS

    FA31110AP

    DISCONTINUED BY MANUFACTURER, TRACE OXYGEN ANALYZER, ANALOG, 110 VAC, 50/60 HZ
    Buy Surplus As Low As $2,269.93
    $2,269.93
    Repair Yours $1,800.00
    EMERSON 4849B94G02

    EMERSON

    4849B94G02

    CELL REPLACEMENT KIT,ANSI 18", COMPATABLE WITH ROSEMOUNT OXYMITTER 4000 IN SITU OXYGEN ANALYZER AND PROBE FOR HAZARDOUS AREAS
    $5,936.00 Buy Surplus As Low As $3,562.00
    $3,562.00
    Repair Yours $2,968.00
    OLDHAM GAS 78105051

    OLDHAM GAS

    78105051

    GAS DETECTOR, ITRANS2 SERIES, SINGLE O2 SENSOR, EXPLOSION PROOF STAINLESS STEEL BODY, INPUT 12-28VDC, OUTPUT 4-20MA
    $1,670.00 Buy Surplus As Low As $1,002.00
    $1,002.00
    Repair Yours $740.00
    METTLER TOLEDO 357-201

    METTLER TOLEDO

    357-201

    DISCONTINUED BY MANUFACTURER, DISSOLVED OXYGEN PREAMP, REPLACEMENT, FOR 770MAX INSTRUMENT, (58037011)
    Buy Surplus As Low As $1,990.00
    $1,990.00
    METTLER TOLEDO 52-201-067

    METTLER TOLEDO

    52-201-067

    DISSOLVED OXYGEN SENSOR, OPERATING RANGE: 0 PPB ; 10,000 PPB, FLOW RATE: 0.79 GAL/H; 18.85 GAL/H, 32 DEGREES F - 140 DEGREES F
    $2,664.00 Buy Surplus As Low As $1,599.00
    $1,599.00
    YOKOGAWA ZR01A01-01

    YOKOGAWA

    ZR01A01-01

    ZIRCONIA CELL ASSEMBLY, 1 PIECE, SPARE PART FOR OXYGEN ANALYZER
    Buy Surplus As Low As $927.00
    $927.00
    UNICONTROL INC A10050A0A03Z00

    UNICONTROL INC

    HAYS CLEVELAND

    A10050A0A03Z00

    OXYGEN ANALYZER 120VAC
    $1,537.00 Buy Surplus As Low As $923.00
    $923.00
    Repair Yours $785.00
    SYSTECH MAPCHECK

    SYSTECH

    MAPCHECK

    OXYGEN SENSOR 110V
    Buy Surplus As Low As $516.00
    $516.00
    METTLER TOLEDO 52200851

    METTLER TOLEDO

    52200851

    O2 OXYGENSENSOR, 120 MM IMMERSION, 7.2-29 PSI, 0-60 DEGREE CELSIUS
    $1,590.00 Buy Surplus As Low As $954.00
    $954.00
    Repair Yours $806.00
    GFG 3701-030

    GFG

    3701-030

    OXYGEN MONITOR 0-25PERCENT MODEL 1031
    Buy Surplus As Low As $1,410.00
    $1,410.00
    Repair Yours $1,200.00
    YOKOGAWA ZO21D-L-040-A-U/F

    YOKOGAWA

    ZO21D-L-040-A-U/F

    OXYGEN SENSOR 1.3FT FLAME ARRESTOR
    $2,226.00 Buy Surplus As Low As $1,336.00
    $1,336.00
    Repair Yours $1,113.00
    DRAGER 8317636

    DRAGER

    8317636

    GAS DETECTOR, POLYTRON 7000, TOXIC AND OXYGEN, WITH RELAY, 24 V, 2 WATT
    $4,558.00 Buy Surplus As Low As $2,735.00
    $2,735.00
    Repair Yours $2,279.00
    AQUAMETRIX BY WATER ANALYTICS AM-CDO-015

    AQUAMETRIX BY WATER ANALYTICS

    AM-CDO-015

    OXYGEN SENSOR, AM-CDO AMPEROMETRIC DISSOLVED OXYGEN SENSOR, POLAROGRAPHIC (CLARK) MEASURING TECHNIQUE, WIDE DYNAMIC RANGE: 0 - 250% SATURATION, TRANSMISSION UP TO 2000 FT (600 M), STANDARD 1 ...
    $920.00 Buy New $920.00
    $552.00
    EMERSON 1056-01-25-38-AN

    EMERSON

    FISHER ROSEMOUNT

    1056-01-25-38-AN

    TRANSMITTER, FOR ONE DISSOLVED OXYGEN MEASUREMENT, 115/230 VAC, 50/60 HZ, NO RELAYS
    $3,451.68 Buy Surplus As Low As $2,051.31
    $2,051.31
    EMERSON 499ATRDO-54

    EMERSON

    FISHER ROSEMOUNT

    499ATRDO-54

    DISCONTINUED BY MANUFACTURER, TRACE DISSOLVED OXYGEN SENSOR, 25 FOOT CABLE LENGTH, 0.1 TO 20 PPM RANGE, 0 TO 65 PSIG PRESSURE RANGE, GOLD CATHODE
    Buy Surplus As Low As $2,370.00
    $2,370.00
    EMERSON OXT4A-3000-143-1-00-00-00

    EMERSON

    FISHER ROSEMOUNT

    OXT4A-3000-143-1-00-00-00

    OXYGEN TRANSMITTER 18IN PROBE W/KEYPAD NO HW ENG
    $10,097.98 Buy Surplus As Low As $5,048.99
    $5,048.99
    Repair Yours $4,702.00
    DRAGER 6809790

    DRAGER

    6809790

    DISCONTINUED BY MANUFACTURER, GAS DETECTION EX-SENSOR, CATALYTIC BEAD, 1IN NPT, 3WIRE
    Buy Surplus As Low As $1,293.09
    $1,293.09
    Repair Yours $1,050.00
    GREAT LAKES INSTRUMENTS D53A4A1N

    GREAT LAKES INSTRUMENTS

    D53A4A1N

    DISSOLVED OXYGEN ANALYZER
    Buy Surplus As Low As $990.00
    $990.00
    Repair Yours $840.00
    MSA A-ULTX-SENS-13-1-0

    MSA

    A-ULTX-SENS-13-1-0

    GAS SENSOR, ULTIMA X SERIES, 0-10 PERCENT, OXYGEN, STAINLESS STEEL, FINE THREADS
    $1,226.00 Buy Surplus As Low As $736.00
    $736.00
    TYCO 40013345

    TYCO

    SCOTT SAFETY

    40013345

    GAS DETECTOR
    Buy Surplus As Low As $1,080.00
    $1,080.00
    Repair Yours $900.00
    NEUTRONICS H7-06-1000-10-0

    NEUTRONICS

    H7-06-1000-10-0

    OXYGEN ANALYZER, OEM100 MODEL, 4-20 MA OUTPUT, ELECTROMECHANICAL SENSOR, 115-230 VAC / 9-15 VDC, 50/60 HZ, PANEL MOUNTED
    $4,041.00 Buy Surplus As Low As $2,425.00
    $2,425.00
    Repair Yours $2,013.00
    UNICONTROL INC A-10050-A0-A03

    UNICONTROL INC

    CLEVELAND CONTROLS

    A-10050-A0-A03

    OXYGEN ANALYZER, SURFACE-MOUNT, NEMA 4X, ELECTRONICS CONFIGURED FOR USE WITH A-10007 / A-10018 / A-10021 PROBES
    $5,958.00 Buy Surplus As Low As $3,575.00
    $3,575.00
    MSA A-ULTIMAX-XP-E-14-C-1-D-0-0-0-0-0-1-0-0

    MSA

    A-ULTIMAX-XP-E-14-C-1-D-0-0-0-0-0-1-0-0

    GAS MONITOR, A-ULTIMAX-XP, EXPLOSION PRROF WITH DISPLAY, GAS CODE: 0-25 %, CONFIGURATION-ENCLOSURE: CANADIAN APPROVAL W/NPT, SENSOR OUTPUT: 2-WIRE MA OUTPUT, ENGLISH
    $8,184.00 Buy Surplus As Low As $4,911.00
    $4,911.00
    HONEYWELL SPXCDTMO12

    HONEYWELL

    SPXCDTMO12

    TERMINAL MODULE, REPLACEMENT, 12-32 VDC, FOR SENSEPOINT XCD OXYGEN MONITOR
    $1,543.00 Buy Surplus As Low As $926.00
    $926.00
    HONEYWELL DL5PPB-800-0000000

    HONEYWELL

    DL5PPB-800-0000000

    DISSOLVED OXYGEN SENSOR, PVC BODY, 1 INCH NPT(M)
    $4,449.00 Buy Surplus As Low As $2,670.00
    $2,670.00
    ASEA BROWN BOVERI 8012-170

    ASEA BROWN BOVERI

    KENT TAYLOR

    8012-170

    DISCONTINUED BY MANUFACTURER, SENSOR CAPSULE, DISSOLVED OXYGEN SYSTEM
    Buy Surplus As Low As $810.00
    $810.00
    AUTOMATION COMPONENTS INC Q5-GENL-100L-O-X-PENTANE

    AUTOMATION COMPONENTS INC

    Q5-GENL-100L-O-X-PENTANE

    SMART SENSOR W/ 3 SPDT RELAYS, 4-20MA OUTPUT OR MODBUS RTU, PENTANE, 0-100% LEL, NEMA 4X ENCLOSURE
    $1,235.00 Buy New $1,235.00
    $741.00
    HONEYWELL 2108B2103N

    HONEYWELL

    2108B2103N

    DISCONTINUED BY MANUFACTURER, GAS DETECTOR, SEARCHPOINT OPTIMA PLUS, MEASURING RANGE: 0-100% LEL SIGNAL OUTPUT4-20MA, 316 STAINLESS STEEL, OVER RANGE: 20-21.5MA / 21 MA, TEMPERATURE RANGE -4 ...
    Buy Surplus As Low As $1,998.62
    $1,998.62
    TELEDYNE ANALYTICAL INSTRUMENTS 3110

    TELEDYNE ANALYTICAL INSTRUMENTS

    3110

    PORTABLE OXYGEN ANALYZER, 0-10 PPM, 0-10,000PPM, 0-25% O2, 32 TO 104F (0 TO 40C), -+1% AT CONSTANT TEMPERATURE, MICRO-FUEL CELL, NICAD BATTERIES, AC ADAPTER INCLUDED FOR BATTERY CHARGING, 11 ...
    $9,045.00 Buy Surplus As Low As $5,427.00
    $5,427.00
    GDS 10-9515

    GDS

    10-9515

    ELECTROCHEMICAL SMART SENSOR, (H2S) 0-25/0-5000 PPM
    $869.00 Buy Surplus As Low As $522.00
    $522.00
    KROHNE VGA0-A-1-A-1-B-1-A-1-B-A-3-1-1-1

    KROHNE

    VGA0-A-1-A-1-B-1-A-1-B-A-3-1-1-1

    OPTICAL OXYGEN IMMERSION SENSOR, OPTISENS ODO 2000, IP68, VGA0 TYPE, 2 INCH NPT / MALE, 1X4-20 MA / RS485, 0...20 MG/L PPM, 9-36 VDC / LOOP, PVC, ATTACHED 33 FT/10 M CABLE-ODO-W 2000 / CORE ...
    $4,134.00 Buy Surplus As Low As $2,481.00
    $2,481.00
    Repair Yours $2,067.00
    BROADLEY JAMES CORP D400-B070-PT-D9

    BROADLEY JAMES CORP

    D400-B070-PT-D9

    SENSOR, DISSOLVED OXYGEN, D4, G - 1 1/4, IN-LINE, 25 MM
    $2,973.33 Buy Surplus As Low As $813.87
    $813.87
    Repair Yours $872.62
    AOI 1000

    AOI

    1000

    DISCONTINUED BY MANUFACTURER, OXYGEN MONITOR, 115-230 VAC INPUT, 50/60 HZ, 1% OF FULL SCALE ACCURACY, 0-30% OXYGEN RANGE, 90% OF FULL SCALE RESPONSE TIME, STANDARD RS-232C DIGITAL OUTPUT, ON ...
    Buy Surplus As Low As $1,620.00
    $1,620.00
    TELEDYNE ANALYTICAL INSTRUMENTS 3350

    TELEDYNE ANALYTICAL INSTRUMENTS

    3350

    OXYGEN MONITOR, MICROPROCESSOR BASED, SINGLE RANGE (0-25% O2), 100/240 VAC, 50/60 HZ, 0-10 VDC O/P, 4-20 MA, WALL MOUNT, NEMA-4 WEATHERPROOF, LED METER READOUT
    $6,272.04 Buy Surplus As Low As $3,764.01
    $3,764.01
    Repair Yours $1,990.00
    DWYER DSW 7223-153 RG 6S

    DWYER

    MERCOID

    DSW 7223-153 RG 6S

    DISCONTINUED BY MANUFACTURER, PRESSURE SWITCH, 15 AMP@125/250 VAC, 10 AMP 277 VAC,1/4 HP @ 125 VAC, 1/2 HP @250 VAC
    Buy Surplus As Low As $588.00
    $588.00
    METTLER TOLEDO 52200965

    METTLER TOLEDO

    52200965

    DISSOLVED OXYGEN SENSOR, INPRO 6800 SERIES, AMPEROMETRIC/POLAROGRAPHIC, 12 MM SHAFT DIA., 120 MM LENGTH, ANALOG, 0.2-6 BAR, PG 13.5 PROCESS CONNECTION, 316L STAINLESS STEEL WETTED MATERIALS, ...
    $4,629.84 Buy Surplus As Low As $2,778.51
    $2,778.51
    AQUAMETRIX BY WATER ANALYTICS AM-ODO-2-015

    AQUAMETRIX BY WATER ANALYTICS

    AM-ODO-2-015

    OXYGEN SENSOR, AM-ODO DIRECT OUTPUT OPTICAL DISSOLVED OXYGEN SENSOR, DUAL OUTPUT, 3/4 IN PROCESS FITTING, WATERPROOF (NO EXTERNAL UIB BOX), STANDARD 15FT (4.5M) CABLE
    $1,395.00 Buy New $1,395.00
    $837.00
    GEORG FISCHER SIGNET 3-2610-51

    GEORG FISCHER SIGNET

    3-2610-51

    DISSOLVED OXYGEN SENSOR, GEN II, 0.2 TO 20 PPM, WITH DIGITAL (S3L), 4 TO 20 MA, MODBUS OUTPUT
    $3,430.00 Buy Surplus As Low As $2,058.00
    $2,058.00
    SIEMENS 7MB2338-3AD16-3NH3

    SIEMENS

    7MB2338-3AD16-3NH3

    GAS ANALYZER, ULTRAMAT 23, MEASURING RANGE CO 0..500VPM, WITH O2 SENSOR, , POWER SUPPLY 230 V AC 60HZ
    $31,323.00 Buy Surplus As Low As $18,794.00
    $18,794.00
    Repair Yours $15,635.00
    PARKER 72695A

    PARKER

    72695A

    OXYGEN SENSOR,GALVANIC CELL,STANDARD %, O2 ANALYZER - O
    $1,537.00 Buy Surplus As Low As $923.00
    $923.00
    Repair Yours $785.00
    ALPHA OMEGA 2000-FXWMT-OD

    ALPHA OMEGA

    2000-FXWMT-OD

    OXYGEN ANALYZER, AOI SERIES 2000, AUTO MULTI RANGE 0-10/25/100%, DIGITAL DISPLAY, AUDIBLE ALARM, VISUAL ALARM INDICATORS, STATUS ALARM RELAY, 90-264 VAC INPUT, 24 VDC INPUT, 4-20 MA OUTPUT, ...
    $6,897.00 Buy Surplus As Low As $4,139.00
    $4,139.00
    SENSIDYNE 823-0210-21

    SENSIDYNE

    823-0210-21

    SENSOR, HYDROGEN SPECIFIC PPM, 0-1000 PPM, FOR USE WITH SENSIDYNE PLUS SERIES FIXED GAS DETECTION TRANSMITTER
    $1,111.00 Buy Surplus As Low As $667.00
    $667.00
    Previous Next
    1 2 3 4 5 6 7 8 9 10 11
    Related Categories
    Cable Component Diagnostic Equipment Flow Gauge Hydraulic Valve Mount Bracket/Bolt/Stud Kit Pressure Monitor/Indicator