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 NC-6205-01
    RKI Instruments NC-6205-01 SENSOR,LEL,H2,1/2NPT w/guard w/ silicone rsistance,UL,
    Order #: NC-6205-01
    Mfg #: NC-6205-01
    Availability: Ships in 3-4 weeks
    $400.00
    SENSOR,LEL,H2,1/2NPT w/guard w/ silicone rsistance,UL, Learn More
  2. RKI Instruments NC-6264A
    RKI Instruments NC-6264A LEL Combustible Sensor Catalytic
    Order #: NC-6264A
    Mfg #: NC-6264A
    Availability: Ships in 3-4 weeks
    $120.00
    LEL Combustible Sensor Catalytic Learn More
  3. RKI Instruments ES-1821
    RKI Instruments ES-1821 Carbon monoxide (CO) sensor
    Order #: ES-1821
    Mfg #: ES-1821
    Availability: Ships in 3-4 weeks
    $140.00
    Carbon monoxide (CO) sensor Learn More
  4. RKI Instruments 61-0155RK
    RKI Instruments 61-0155RK Sensor, LEL, H2 specific, plug-in, NC-6244A
    Order #: 61-0155RK
    Mfg #: 61-0155RK
    Availability: Ships in 3-4 weeks
    $250.00
    Sensor, LEL, H2 specific, plug-in, NC-6244A Learn More
  5. RKI Instruments ESU-K233-HF-09
    RKI Instruments ESU-K233-HF-09 Sensor,HF (hydrogen fluoride), 0 -9.00 PPM,for GD-70D
    Order #: ESU-K233-HF-09
    Mfg #: ESU-K233-HF-09
    Availability: Ships in 3-4 weeks
    $495.00
    Sensor,HF (hydrogen fluoride), 0 -9.00 PPM,for GD-70D Learn More
  6. RKI Instruments 81-0068RK-01
    RKI Instruments 81-0068RK-01 Cylinder, CO, 100 ppm in N2, 34 Liter
    Order #: 81-0068RK-01
    Mfg #: 81-0068RK-01
    Availability: Ships in 3-4 weeks
    $55.00
    Cylinder, CO, 100 ppm in N2, 34 Liter Learn More
  7. RKI Instruments 33-0173RK
    RKI Instruments 33-0173RK Filter, Helapet PTFE,25mm, 1um, 3/16" Hose Barb
    Order #: 33-0173RK
    Mfg #: 33-0173RK
    Availability: Ships in 3-4 weeks
    $10.00
    Filter, Helapet PTFE,25mm, 1um, 3/16" Hose Barb Learn More
  8. RKI Instruments 65-2427RK-05
    RKI Instruments 65-2427RK-05 Sensor/j-box,H2S,CT7, CSA version
    Order #: 65-2427RK-05
    Mfg #: 65-2427RK-05
    Availability: Ships in 3-4 weeks
    $495.00
    Sensor/j-box,H2S,CT7, CSA version Learn More
  9. RKI Instruments 81-F301RK
    RKI Instruments 81-F301RK Calibration Kit, fixed O2, N2 & Zero Air, 103L
    Order #: 81-F301RK
    Mfg #: 81-F301RK
    Availability: Ships in 3-4 weeks
    $535.00
    Calibration Kit, fixed O2, N2 & Zero Air, 103L Learn More
  10. RKI Instruments HW-6211
    RKI Instruments HW-6211 Sensor HW-6211,for GD-A8/D8, Isobutane,H2
    Order #: HW-6211
    Mfg #: HW-6211
    Availability: Ships in 3-4 weeks
    $220.00
    Sensor HW-6211,for GD-A8/D8, Isobutane,H2 Learn More
  11. RKI Instruments ESM-01DH-D-SO2
    RKI Instruments ESM-01DH-D-SO2 Sensor,SO2,0 - 6.00 ppm,ESM-01 plug-in type,for diffusion
    Order #: ESM-01DH-D-SO2
    Mfg #: ESM-01DH-D-SO2
    Availability: Ships in 3-4 weeks
    $195.00
    Sensor,SO2,0 - 6.00 ppm,ESM-01 plug-in type,for diffusion Learn More
  12. RKI Instruments 80-0131RK-10
    RKI Instruments 80-0131RK-10 Probe, 10", hydrophobic, particle filter, Eagle/Eagle 2
    Order #: 80-0131RK-10
    Mfg #: 80-0131RK-10
    Availability: Ships in 3-4 weeks
    $55.00
    Probe, 10", hydrophobic, particle filter, Eagle/Eagle 2 Learn More
  13. RKI Instruments 61-5040RK-02
    RKI Instruments 61-5040RK-02 IR Detector plug-in, 0 - 5,000 ppm CO2
    Order #: 61-5040RK-02
    Mfg #: 61-5040RK-02
    Availability: Ships in 3-4 weeks
    $400.00
    IR Detector plug-in, 0 - 5,000 ppm CO2 Learn More
  14. RKI Instruments ES-1827I
    RKI Instruments ES-1827I Hydrogen sulfide (H2S) sensor
    Order #: ES-1827I
    Mfg #: ES-1827I
    Availability: Ships in 3-4 weeks
    $140.00
    Hydrogen sulfide (H2S) sensor Learn More
  15. RKI Instruments 33-6091RK
    RKI Instruments 33-6091RK Filter Element charcoal, Eagle
    Order #: 33-6091RK
    Mfg #: 33-6091RK
    Availability: Ships in 3-4 weeks
    $12.00
    Filter Element charcoal, Eagle Learn More
  16. RKI Instruments 81-F403RK-LV
    RKI Instruments 81-F403RK-LV Calibration Kit, fixed, for 3/4"NPT detector, 2.5% CO2, 34L
    Order #: 81-F403RK-LV
    Mfg #: 81-F403RK-LV
    Availability: Ships in 3-4 weeks
    $360.00
    Calibration Kit, fixed, for 3/4"NPT detector, 2.5% CO2, 34L Learn More
  17. RKI Instruments 81-0004RK-03
    RKI Instruments 81-0004RK-03 Cylinder, Propane, 50% LEL/Air, 103 Liter
    Order #: 81-0004RK-03
    Mfg #: 81-0004RK-03
    Availability: Ships in 3-4 weeks
    $150.00
    Cylinder, Propane, 50% LEL/Air, 103 Liter Learn More
  18. RKI Instruments 81-PS2H2-LV
    RKI Instruments 81-PS2H2-LV Calibration Kit, PS2, H2, 34L, 10%/30% LEL
    Order #: 81-PS2H2-LV
    Mfg #: 81-PS2H2-LV
    Availability: Ships in 3-4 weeks
    $350.00
    Calibration Kit, PS2, H2, 34L, 10%/30% LEL Learn More
  19. RKI Instruments 65-1058RK
    RKI Instruments 65-1058RK O2 Sensor for OS-BM1, RX-515, RX-516, RX-517, GX-94, GX-8000
    Order #: 65-1058RK
    Mfg #: 65-1058RK
    Availability: Ships in 3-4 weeks
    $150.00
    O2 Sensor for OS-BM1, RX-515, RX-516, RX-517, GX-94, GX-8000 Learn More
  20. RKI Instruments 33-7102RK
    RKI Instruments 33-7102RK Filter, charcoal, for CO sensor pack of 5
    Order #: 33-7102RK
    Mfg #: 33-7102RK
    Availability: Ships in 3-4 weeks
    $10.00
    Filter, charcoal, for CO sensor pack of 5 Learn More
  21. RKI Instruments 57-1053RK
    RKI Instruments 57-1053RK Xmtr,S2,LEL,potted,4-20 mA,Std version, 4-wire (low current)
    Order #: 57-1053RK
    Mfg #: 57-1053RK
    Availability: Ships in 3-4 weeks
    $275.00
    Xmtr,S2,LEL,potted,4-20 mA,Std version, 4-wire (low current) Learn More
  22. 34 LITER CYLNDER H2S/CO/CH4/LEL MFG# 81-0154RK-04    HAZ.MAT.
    RKI Instruments 81-0154RK-04 34 LITER CYLNDER H2S/CO/CH4/LEL HAZ.MAT.
    Order #: 81-0154RK-04
    Mfg #: 81-0154RK-04
    Availability: Ships in 3-4 weeks
    $160.00
    34 LITER CYLNDER H2S/CO/CH4/LEL HAZ.MAT. Learn More
  23. RKI Instruments 61-0140RK-01
    RKI Instruments 61-0140RK-01 Sensor, LEL, 1/2" NPT, CH4 (NC-6241),w/o rain shield
    Order #: 61-0140RK-01
    Mfg #: 61-0140RK-01
    Availability: Ships in 3-4 weeks
    $240.00
    Sensor, LEL, 1/2" NPT, CH4 (NC-6241),w/o rain shield Learn More
  24. RKI Instruments 81-1051RK
    RKI Instruments 81-1051RK Regulator, with gauge & knob, 34AL/58/103L,0.5LPM
    Order #: 81-1051RK
    Mfg #: 81-1051RK
    Availability: Ships in 3-4 weeks
    $125.00
    Regulator, with gauge & knob, 34AL/58/103L,0.5LPM Learn More
  25. combustible sensor only,for smp draw 35-3000 & model 1017
    RKI Instruments NC-6245 combustible sensor only,for smp draw 35-3000 & model 1017
    Order #: NC-6245
    Mfg #: NC-6245
    Availability: Ships in 3-4 weeks
    $220.00
    combustible sensor only,for smp draw 35-3000 & model 1017 Learn More
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