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 61-0101RK
    RKI Instruments 61-0101RK Sensor, LEL, 1/2" NPT, CH4, GTI 61-0101 sub, NC-6242
    Order #: 61-0101RK
    Mfg #: 61-0101RK
    Availability: Ships in 3-4 weeks
    $290.00
    Sensor, LEL, 1/2" NPT, CH4, GTI 61-0101 sub, NC-6242 Learn More
  2. RKI Instruments 65-2331RK
    RKI Instruments 65-2331RK S2 Detector/Amp/J-Box,CSA XP,H2S,0-100ppm
    Order #: 65-2331RK
    Mfg #: 65-2331RK
    Availability: Ships in 3-4 weeks
    $820.00
    S2 Detector/Amp/J-Box,CSA XP,H2S,0-100ppm Learn More
  3. RKI Instruments NCU-6213-CH4
    RKI Instruments NCU-6213-CH4 Sensor,LEL sensor/amp unit, 0 - 100 %LEL CH4 (methane)
    Order #: NCU-6213-CH4
    Mfg #: NCU-6213
    Availability: Ships in 3-4 weeks
    $395.00
    Sensor,LEL sensor/amp unit, 0 - 100 %LEL CH4 (methane) Learn More
  4. RKI Instruments NC-6205-05
    RKI Instruments NC-6205-05 Sensor,H2 specific,1/2" NPT, silicone resistant,w/guard,
    Order #: NC-6205-05
    Mfg #: NC-6205-05
    Availability: Ships in 3-4 weeks
    $450.00
    Sensor,H2 specific,1/2" NPT, silicone resistant,w/guard, Learn More
  5. RKI Instruments ESU-237IF-H2S
    RKI Instruments ESU-237IF-H2S Sensor,H2S (hydrogen sulfide), 0 -1.00 PPM,for GD-70D
    Order #: ESU-237IF-H2S
    Mfg #: ESU-237IF-H2S
    Availability: Ships in 3-4 weeks
    $495.00
    Sensor,H2S (hydrogen sulfide), 0 -1.00 PPM,for GD-70D Learn More
  6. RKI Instruments ESU-23E-HCL-15
    RKI Instruments ESU-23E-HCL-15 Sensor,HCl (hydrogen chloride), 0-15.0 PPM,for GD-70D
    Order #: ESU-23E-HCL-15
    Mfg #: ESU-23E-HCL-15
    Availability: Ships in 3-4 weeks
    $495.00
    Sensor,HCl (hydrogen chloride), 0-15.0 PPM,for GD-70D Learn More
  7. RKI Instruments ESU-23DH-GEH4
    RKI Instruments ESU-23DH-GEH4 Sensor,GeH4, (germane) 0-0.80 PPM,for GD-70D
    Order #: ESU-23DH-GEH4
    Mfg #: ESU-23DH-GEH4
    Availability: Ships in 3-4 weeks
    $495.00
    Sensor,GeH4, (germane) 0-0.80 PPM,for GD-70D Learn More
  8. RKI Instruments ESU-K239C-S-O31
    RKI Instruments ESU-K239C-S-O31 Sensor,O3 (ozone),0-1.00 PPM, for GD-70D
    Order #: ESU-K239C-S-O31
    Mfg #: ESU-K239C-S-O31
    Availability: Ships in 3-4 weeks
    $495.00
    Sensor,O3 (ozone),0-1.00 PPM, for GD-70D Learn More
  9. 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
  10. RKI Instruments DEM-3313-3
    RKI Instruments DEM-3313-3 Sensor,IR,CH4,50mm,0-100%LEL/ 5-100%Vol,EAGLE 2
    Order #: DEM-3313-3
    Mfg #: DEM-3313-3
    Availability: Ships in 3-4 weeks
    $750.00
    Sensor,IR,CH4,50mm,0-100%LEL/ 5-100%Vol,EAGLE 2 Learn More
  11. RKI Instruments ESM-23AH-SIH4
    RKI Instruments ESM-23AH-SIH4 Sensor,Silane,0-15 PPM,for GD-K77D
    Order #: ESM-23AH-SIH4
    Mfg #: ESM-23AH-SIH4
    Availability: Ships in 3-4 weeks
    $480.00
    Sensor,Silane,0-15 PPM,for GD-K77D Learn More
  12. 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
  13. RKI Instruments ES-23AH-PH3
    RKI Instruments ES-23AH-PH3 Sensor,Phosphine,0-1 PPM,GD-K8
    Order #: ES-23AH-PH3
    Mfg #: ES-23AH-PH3
    Availability: Ships in 3-4 weeks
    $465.00
    Sensor,Phosphine,0-1 PPM,GD-K8 Learn More
  14. RKI Instruments ES-23AH-NO2
    RKI Instruments ES-23AH-NO2 Sensor,NO2,0-15 PPM,GD-K8
    Order #: ES-23AH-NO2
    Mfg #: ES-23AH-NO2
    Availability: Ships in 3-4 weeks
    $465.00
    Sensor,NO2,0-15 PPM,GD-K8 Learn More
  15. RKI Instruments ES-1531-CO
    RKI Instruments ES-1531-CO Sensor,CO,CT-7 style,4 pins, ES-1531-CO
    Order #: ES-1531-CO
    Mfg #: ES-1531-CO
    Availability: Ships in 3-4 weeks
    $195.00
    Sensor,CO,CT-7 style,4 pins, ES-1531-CO Learn More
  16. RKI Instruments ES-031M-CO
    RKI Instruments ES-031M-CO Sensor,high range CO, 0-1000 ppm
    Order #: ES-031M-CO
    Mfg #: ES-031M-CO
    Availability: Ships in 3-4 weeks
    $225.00
    Sensor,high range CO, 0-1000 ppm Learn More
  17. RKI Instruments ES-K239C-O3
    RKI Instruments ES-K239C-O3 Sensor,Ozone,0-1 PPM,New Style, replaces ES-K239-O3
    Order #: ES-K239C-O3
    Mfg #: ES-K239C-O3
    Availability: Ships in 3-4 weeks
    $465.00
    Sensor,Ozone,0-1 PPM,New Style, replaces ES-K239-O3 Learn More
  18. RKI Instruments GD-70DP-NF3
    RKI Instruments GD-70DP-NF3 Smart transmitterw/pyrolyzer, GD-70D,NF3(nitrogen trifluoride
    Order #: GD-70DP-NF3
    Mfg #: GD-70DP-NF3
    Availability: Ships in 3-4 weeks
    $2,345.00
    Smart transmitterw/pyrolyzer, GD-70D,NF3(nitrogen trifluoride Learn More
  19. RKI Instruments SH-8641
    RKI Instruments SH-8641 Sensor,catalytic/MOS,SH-8641, ppm,Gas Tracer
    Order #: SH-8641
    Mfg #: SH-8641
    Availability: Ships in 3-4 weeks
    $150.00
    Sensor,catalytic/MOS,SH-8641, ppm,Gas Tracer Learn More
  20. RKI Instruments SGU-8581-CH4-2K
    RKI Instruments SGU-8581-CH4-2K Sensor,MOS sensor/amp unit, 0 - 2,000 ppm methane (CH4)
    Order #: SGU-8581-CH4-2K
    Mfg #: SGU-8581-CH4-2K
    Availability: Ships in 3-4 weeks
    $495.00
    Sensor,MOS sensor/amp unit, 0 - 2,000 ppm methane (CH4) Learn More
  21. RKI Instruments OS-B11
    RKI Instruments OS-B11 Sensor,Oxygen w/cable and pigtail,OS-B11
    Order #: OS-B11
    Mfg #: OS-B11
    Availability: Ships in 3-4 weeks
    $195.00
    Sensor,Oxygen w/cable and pigtail,OS-B11 Learn More
  22. RKI Instruments OS-B01
    RKI Instruments OS-B01 Sensor,oxygen,for OX-07
    Order #: OS-B01
    Mfg #: OS-B01
    Availability: Ships in 3-4 weeks
    $195.00
    Sensor,oxygen,for OX-07 Learn More
  23. RKI Instruments GD-70D-LEL-CH4
    RKI Instruments GD-70D-LEL-CH4 Smart transmitter,GD-70D,CH4 (methane),0-100 %LEL
    Order #: GD-70D-LEL-CH4
    Mfg #: GD-70D-LEL-CH4
    Availability: Ships in 3-4 weeks
    $1,495.00
    Smart transmitter,GD-70D,CH4 (methane),0-100 %LEL Learn More
  24. RKI Instruments GD-A8-H2
    RKI Instruments GD-A8-H2 Detector Assembly, diff, 0-100%LEL, Hydrogen
    Order #: GD-A8-H2
    Mfg #: GD-A8-H2
    Availability: Ships in 3-4 weeks
    $603.75
    Detector Assembly, diff, 0-100%LEL, Hydrogen Learn More
  25. RKI Instruments 82-5100RK
    RKI Instruments 82-5100RK Datalogger,4-chan,4-20 mA in,w/ software & USB cable
    Order #: 82-5100RK
    Mfg #: 82-5100RK
    Availability: Ships in 3-4 weeks
    $1,800.00
    Datalogger,4-chan,4-20 mA in,w/ software & USB cable Learn More
Showing 51-75 of 226
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