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RKI Instruments

RKI Instruments, Inc is an innovative gas detection company with over 20 years of experience. RKI was established with the belief that belief that customers and distributors deserve a reliable source for advanced gas detection equipment as well as solutions to specific gas monitoring applications.

RKI provides Gas Detection for Life. Not only will RKI equipment protect your life and property from the hazards of gases and vapors, but with proper care, it may also be the last gas detector you will ever need to purchase.

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  1. RKI Instruments GX-3R Four Gas Monitor, LEL/Oxy/H2S/CO
    RKI Instruments GX-3R Four Gas Monitor, LEL/Oxy/H2S/CO Four Gas Monitor, LEL/Oxy/H2S/CO
    Order #: GX-3R
    Mfg #: 72-RA-C
    Availability: In stock
    $937.50
    Four Gas Monitor, LEL/Oxy/H2S/CO Learn More
  2. For Rent
    RKI Instruments PID-001 for Rent PID 50ppm Smart Sensor for RKI GX-6000
    RKI Instruments PID-001 for Rent, PID 50ppm Smart Sensor for RKI GX-6000 PID 50ppm Smart Sensor for RKI GX-6000
    Order #: PID-001-RENT1
    Mfg #: PID-001-RENT1
    Availability: In stock
    Call for price
    PID 50ppm Smart Sensor for RKI GX-6000 Learn More
  3. For Rent
    RKI Instruments PID-002 FOR RENT
    RKI Instruments PID-002 for Rent, PID 6000ppm Smart Sensor for RKI GX-6000 PID 6000ppm Smart Sensor for RKI GX-6000
    Order #: PID-002-RENT1
    Mfg #: PID-002-RENT1
    Availability: In stock
    Call for price
    PID 6000ppm Smart Sensor for RKI GX-6000 Learn More
  4. For Rent
    RKI Instruments GX-6000 FOR RENT
    RKI Instruments GX-6000 for Rent, Six Sensor Gas Monitor, CO, H2S O2, LEL, Opt.PID Six Sensor Gas Monitor,CO,H2S O2,LEL,Opt.PID
    Order #: GX-6000-RENT1
    Mfg #: 72-6AXX-C
    Availability: In stock
    Call for price
    Six Sensor Gas Monitor,CO,H2S O2,LEL,Opt.PID Learn More
  5. For Rent
    RKI Instruments GX-2009 FOR RENT
    RKI Instruments GX-2009 for Rent, Mini Multi-Gas Detector, CO, H2S O2, LEL Mini Multi-Gas Detector,CO,H2S O2,LEL
    Order #: GX-2009-RENT1
    Mfg #: 72-0314RKC-58
    Availability: In stock
    Call for price
    Mini Multi-Gas Detector,CO,H2S O2,LEL Learn More
  6. Clearance
    RKI Instruments 65-2300RK-SO2
    RKI Instruments 65-2300RK-SO2 Detector Assembly, ESM-01 conduit mounting, SO2 0-6 ppm
    Order #: 65-2300RK-SO2
    Mfg #: 65-2300RK-SO2
    Availability: In stock
    Special Price $577.41 Regular Price $870.00
    Detector Assembly, ESM-01 conduit mounting, SO2 0-6 ppm Learn More
  7. RKI Instruments 61-5039RK-CH4
    RKI Instruments 61-5039RK-CH4 IR Detector plug-in LEL, CH4
    Order #: 61-5039RK-CH4
    Mfg #: 61-5039RK-CH4
    Availability: In stock
    $600.00
    IR Detector plug-in LEL, CH4 Learn More
  8. Clearance
    RKI Instruments ESM-01DH-ASH3
    RKI Instruments ESM-01DH-ASH3 Sensor,ASH3,0 - 1.5 ppm,ESM-01 plug-in type
    Order #: ESM-01DH-ASH3
    Mfg #: ESM-01DH-ASH3
    Availability: In stock
    Special Price $213.34 Regular Price $292.50
    Sensor,ASH3,0 - 1.5 ppm,ESM-01 plug-in type Learn More
  9. RKI Instruments 72-5101RK
    RKI Instruments 72-5101RK Eagle Portable Monitor for LEL & PPM
    Order #: 72-5101RK
    Mfg #: 72-5101RK
    Availability: In stock
    $3,195.00
    Eagle Portable Monitor for LEL & PPM Learn More
  10. RKI Instruments 01-0140RK
    RKI Instruments 01-0140RK Sensor,LEL,1/2"NPT,LEL (NC-6241)
    Order #: 61-0140RK
    Mfg #: 61-0140RK
    Availability: In stock
    $420.00
    Sensor,LEL,1/2"NPT,LEL (NC-6241) Learn More
  11. RKI Instruments ES-1827I
    RKI Instruments ES-1827I Hydrogen sulfide (H2S) sensor
    Order #: ES-1827I
    Mfg #: ES-1827I
    Availability: In stock
    $210.00
    Hydrogen sulfide (H2S) sensor Learn More
  12. RKI Instruments ES-1537-H2S
    RKI Instruments ES-1537-H2S H2S Sensor
    Order #: ES-1537-H2S
    Mfg #: ES-1537-H2S
    Availability: In stock
    $292.50
    H2S Sensor Learn More
  13. Sensor,(O2)0-25%,nonexplosion proof direct connect,partial pr
    RKI Instruments 65-2510RK Sensor,(O2)0-25%,nonexplosion proof direct connect,partial pr
    Order #: 65-2510RK
    Mfg #: 65-2510RK
    Availability: In stock
    $405.00
    Sensor,(O2)0-25%,nonexplosion proof direct connect,partial pr Learn More
  14. RKI Instruments 33-0159RK
    RKI Instruments 33-0159RK Teflon filter disc, 10 pieces
    Order #: 33-0159RK
    Mfg #: 33-0159RK
    Availability: In stock
    $36.00
    Teflon filter disc, 10 pieces Learn More
  15. RKI Instruments 65-2514RK
    RKI Instruments 65-2514RK Detector assy,oxygen,XP, capillary type,conduit mtg.
    Order #: 65-2514RK
    Mfg #: 65-2514RK
    Availability: In stock
    $570.00
    Detector assy,oxygen,XP, capillary type,conduit mtg. Learn More
  16. RKI Instruments 65-1025RK
    RKI Instruments 65-1025RK Oxygen Sensor, Plug In 40X
    Order #: 65-1025RK
    Mfg #: 65-1025RK
    Availability: In stock
    $210.00
    Oxygen Sensor, Plug In 40X Learn More
  17. RKI Instruments ESS-B332-NH3
    RKI Instruments ESS-B332-NH3 Sensor,Ammonia(NH3)0-400ppm for GX-6000
    Order #: ESS-B332-NH3
    Mfg #: ESS-B332-NH3
    Availability: Ships in 3-4 weeks
    $390.00
    Sensor,Ammonia(NH3)0-400ppm for GX-6000 Learn More
  18. RKI Instruments 07-7304RK
    RKI Instruments 07-7304RK O-ring,.850ID x .21W,Viton,50 Durometer
    Order #: 07-7304RK
    Mfg #: 07-7304RK
    Availability: Ships in 3-4 weeks
    $13.80
    O-ring,.850ID x .21W,Viton,50 Durometer Learn More
  19. RKI Instruments 07-7210RK
    RKI Instruments 07-7210RK O-ring,.609ID x .139W,Viton,50 Durometer
    Order #: 07-7210RK
    Mfg #: 07-7210RK
    Availability: Ships in 3-4 weeks
    $4.50
    O-ring,.609ID x .139W,Viton,50 Durometer Learn More
  20. RKI Instruments 81-OX600-LV
    RKI Instruments 81-OX600-LV Cal Kit,OX-01,N2,34L
    Order #: 81-OX600-LV
    Mfg #: 81-OX600-LV
    Availability: Ships in 3-4 weeks
    $517.50
    Cal Kit,OX-01,N2,34L Learn More
  21. RKI Instruments 65-2438 CO Sensor Assembly
    RKI Instruments 65-2438 Sensor Assembly
    Order #: 65-2438
    Mfg #: 65-2438
    Availability: Ships in 3-4 weeks
    $660.00
    Sensor Assembly Learn More
  22. RKI Instruments 62-0111RK
    RKI Instruments 62-0111RK Sensor,complete, with hardware, CH4, GP-204, RKK style
    Order #: 62-0111RK
    Mfg #: 62-0111RK
    Availability: Ships in 3-4 weeks
    $300.00
    Sensor,complete, with hardware, CH4, GP-204, RKK style Learn More
  23. RKI Instruments 29-5000RK
    RKI Instruments 29-5000RK Gas Detector Label membrane switch, Eagle
    Order #: 29-5000RK
    Mfg #: 29-5000RK
    Availability: Ships in 3-4 weeks
    $24.00
    Gas Detector Label membrane switch, Eagle Learn More
  24. RKI Instruments 29-0652
    RKI Instruments 29-0652 Gas Detector Label front, GP-03
    Order #: 29-0652
    Mfg #: 29-0652
    Availability: Ships in 3-4 weeks
    $9.00
    Gas Detector Label front, GP-03 Learn More
  25. RKI Instruments 570-SR
    RKI Instruments 570-SR Single Channel Case
    Order #: 570-SR
    Mfg #: 570-SR
    Availability: Ships in 3-4 weeks
    $330.00
    Single Channel Case Learn More
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