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 570-TM
    RKI Instruments 570-TM Single Channel Plug-in Unit, -580
    Order #: 570-TM
    Mfg #: 570-TM
    Availability: Ships in 2-3 weeks
    $115.00
    Single Channel Plug-in Unit, -580 Learn More
  2. RKI Instruments 570-SR
    RKI Instruments 570-SR Single Channel Case
    Order #: 570-SR
    Mfg #: 570-SR
    Availability: Ships in 2-3 weeks
    $200.00
    Single Channel Case Learn More
  3. RKI Instruments 57-8050RK
    RKI Instruments 57-8050RK Converter, 24 VDC to 24 VAC, for GD-D8 24 VDC type
    Order #: 57-8050RK
    Mfg #: 57-8050RK
    Availability: Ships in 2-3 weeks
    $100.00
    Converter, 24 VDC to 24 VAC, for GD-D8 24 VDC type Learn More
  4. RKI Instruments 57-8030RK
    RKI Instruments 57-8030RK PC Board Assembly main, for the GX-86
    Order #: 57-8030RK
    Mfg #: 57-8030RK
    Availability: Ships in 2-3 weeks
    $100.00
    PC Board Assembly main, for the GX-86 Learn More
  5. RKI Instruments 57-8021RK
    RKI Instruments 57-8021RK PC Board Assembly for the NP-204
    Order #: 57-8021RK
    Mfg #: 57-8021RK
    Availability: Ships in 2-3 weeks
    $85.00
    PC Board Assembly for the NP-204 Learn More
  6. RKI Instruments 57-8020RK
    RKI Instruments 57-8020RK PC Board Assembly for the GP-204
    Order #: 57-8020RK
    Mfg #: 57-8020RK
    Availability: Ships in 2-3 weeks
    $75.00
    PC Board Assembly for the GP-204 Learn More
  7. RKI Instruments 57-8003RK
    RKI Instruments 57-8003RK PC Board Assembly for the XP-204
    Order #: 57-8003RK
    Mfg #: 57-8003RK
    Availability: Ships in 2-3 weeks
    $50.00
    PC Board Assembly for the XP-204 Learn More
  8. RKI Instruments 57-7951RK
    RKI Instruments 57-7951RK PC Board replacement, RP-5 pump
    Order #: 57-7951RK
    Mfg #: 57-7951RK
    Availability: Ships in 2-3 weeks
    $84.00
    PC Board replacement, RP-5 pump Learn More
  9. RKI Instruments 57-7114RK-01
    RKI Instruments 57-7114RK-01 Auto Sensor Keeper GD-K8A/D, NH3
    Order #: 57-7114RK-01
    Mfg #: 57-7114RK-01
    Availability: Ships in 2-3 weeks
    $220.00
    Auto Sensor Keeper GD-K8A/D, NH3 Learn More
  10. RKI Instruments 57-7114RK
    RKI Instruments 57-7114RK Auto Sensor Keeper GD-K8A/D
    Order #: 57-7114RK
    Mfg #: 57-7114RK
    Availability: Ships in 2-3 weeks
    $220.00
    Auto Sensor Keeper GD-K8A/D Learn More
  11. RKI Instruments 57-7109RK-39
    RKI Instruments 57-7109RK-39 Amplifier Board ES-237i for H2S 0 - 3 ppm
    Order #: 57-7109RK-39
    Mfg #: 57-7109RK-39
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board ES-237i for H2S 0 - 3 ppm Learn More
  12. RKI Instruments 57-7109RK-34
    RKI Instruments 57-7109RK-34 Amplifier Board O3, for ES-K239
    Order #: 57-7109RK-34
    Mfg #: 57-7109RK-34
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board O3, for ES-K239 Learn More
  13. RKI Instruments 57-7109RK-31
    RKI Instruments 57-7109RK-31 Amplifier Board ES-237 for H2S 0 - 30 ppm
    Order #: 57-7109RK-31
    Mfg #: 57-7109RK-31
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board ES-237 for H2S 0 - 30 ppm Learn More
  14. RKI Instruments 57-7109RK-30
    RKI Instruments 57-7109RK-30 Amplifier Board, HCN/PF3/GeH4 (ES-23DH), SO2 (ES-238)
    Order #: 57-7109RK-30
    Mfg #: 57-7109RK-30
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board, HCN/PF3/GeH4 (ES-23DH), SO2 (ES-238) Learn More
  15. RKI Instruments 57-7109RK-29I
    RKI Instruments 57-7109RK-29I Amplifier Board NH3, for ES-23R, 250 mV,IS type
    Order #: 57-7109RK-29I
    Mfg #: 57-7109RK-29I
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board NH3, for ES-23R, 250 mV,IS type Learn More
  16. RKI Instruments 57-7109RK-29
    RKI Instruments 57-7109RK-29 Amplifier Board NH3, for ES-23R, 250 mV
    Order #: 57-7109RK-29
    Mfg #: 57-7109RK-29
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board NH3, for ES-23R, 250 mV Learn More
  17. RKI Instruments 57-7109RK-28
    RKI Instruments 57-7109RK-28 Amplifier Board H2Se, for ES-23SD
    Order #: 57-7109RK-28
    Mfg #: 57-7109RK-28
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board H2Se, for ES-23SD Learn More
  18. RKI Instruments 57-7109RK-25
    RKI Instruments 57-7109RK-25 Amplifier Board AsH3, for ES-23AHS
    Order #: 57-7109RK-25
    Mfg #: 57-7109RK-25
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board AsH3, for ES-23AHS Learn More
  19. RKI Instruments 57-7109RK-24
    RKI Instruments 57-7109RK-24 Amplifier Board NH3 for ES-23RV, 200 mV
    Order #: 57-7109RK-24
    Mfg #: 57-7109RK-24
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board NH3 for ES-23RV, 200 mV Learn More
  20. RKI Instruments 57-7109RK-20
    RKI Instruments 57-7109RK-20 Amplifier Board SiH4, for ES-23DH
    Order #: 57-7109RK-20
    Mfg #: 57-7109RK-20
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board SiH4, for ES-23DH Learn More
  21. RKI Instruments 57-7109RK-18
    RKI Instruments 57-7109RK-18 Amplifier Board CL2, for ES-K233
    Order #: 57-7109RK-18
    Mfg #: 57-7109RK-18
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board CL2, for ES-K233 Learn More
  22. RKI Instruments 57-7109RK-17I
    RKI Instruments 57-7109RK-17I Amplifier Board HCL, for ES-K233, IS type
    Order #: 57-7109RK-17I
    Mfg #: 57-7109RK-17I
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board HCL, for ES-K233, IS type Learn More
  23. RKI Instruments 57-7109RK-17
    RKI Instruments 57-7109RK-17 Amplifier Board HCL, for ES-K233
    Order #: 57-7109RK-17
    Mfg #: 57-7109RK-17
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board HCL, for ES-K233 Learn More
  24. RKI Instruments 57-7109RK-16
    RKI Instruments 57-7109RK-16 Amplifier Board HCl, HBr, HI, for ES-23E
    Order #: 57-7109RK-16
    Mfg #: 57-7109RK-16
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board HCl, HBr, HI, for ES-23E Learn More
  25. RKI Instruments 57-7109RK-14
    RKI Instruments 57-7109RK-14 Amplifier Board NO2, for ES-23AH
    Order #: 57-7109RK-14
    Mfg #: 57-7109RK-14
    Availability: Ships in 2-3 weeks
    $280.00
    Amplifier Board NO2, for ES-23AH Learn More
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