Item #: 65-
Was: $1,222.22
Sale: $1,100.00
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    RKI M2 Stand Alone Transmitter w/ ESM-01 Toxic Sensor

    The RKI M2 is a state-of-the-art transmitter that can operate as an independent, stand-alone system or as part of an integrated system. The M2 connects with an analog or digital signal to virtually any controller, PLC, or DCS. Setup procedures are simplified with user friendly push buttons and LCD menus. It utilized a magnetic wand technique for performing non-intrusive calibration. The M2 provides an automatic zero drift, correction feature, which results in more stable readings and reduces the need for adjustments due to sensor aging.

    The housing of the M2 does not need to be opened for zeroing or calibration, making it unnecessary to declassify the area for routine maintenance. It is designed so that a complete field calibration can be performed by one person. Sensor construction is rated Class I, Div. 1 groups B, C, D for flammables, CO, H2S, O2, CO2, and Class I, Div. 2 for all other toxics.

    The transmitter provides a 4-20 mA output in addition to a Modbus digital output. It also has two levels of alarms with relays, plus a fail alarm with relay. A digital display of the gas concentration, as well as alarm and status lights, can be viewed through the front window.

    The toxic sensors are electrochemical type plug-in sensors, which provide high specificity, fast response, and long life. The plug-in design allows quick replacement in the field with no tools required. Toxic sensors are designed for use in Class I, Div. 2 hazardous locations. Sensors available for NH3, SO2, PH3, AsH3, and HCN.

    The M2 represents the latest leading edge technology in sensor / transmitters today.

    Features:

    • Operates with or without a controller
    • Direct digital readout on backlit LCD
    • Available gases include
      • % LEL, H2S, CO, PPM HC & CO2
    • Toxic gases include 
      • NH3, SO2, HCN, and more
    • Infrared sensor for combustibles and CO2
    • 4-20 mA & digital Modbus outputs standard
    • 2 fully programmable alarm relays & fail relay
    • Non-intrusive calibration via magnetic wand
    • Explosion proof construction
    • Patented water repellent sensor cover
    • User friendly setup, push buttons & LCD menus
    • Long-life sensors (2+ years typical)
    Applications:
    • Petrochemical plants
    • Refineries
    • Offshore drilling platforms
    • Water & wastewater treatment plants
    • Offshore oil rigs
    • Pulp & paper mills
    • Gas, telephone, & electric utilities
    • Parking garages
    • Manufacturing facilities
    • Steel
    • Automotive
    For sensors not listed, Call for details.

    Download Product Datasheet (PDF) click here

    Non Explosion Proof Toxic Assemblies

    Ordering Information

    Part Number With J-BoxGasRangeResolution
    65-2618RK-ASH3Arsine (ASH3)0 - 1.5 ppm0.01 ppm
    65-2618RK-NH3Ammonia (NH3)0 - 75.0 ppm0.1 ppm
    65-2618RK-PH3Phosphine (PH3)0 - 1.00 ppm0.01 ppm
    65-2618RK-HCNHydrogen Cyanide (HCN)0 - 15.0 ppm0.1 ppm
    65-2618RK-SO2Sulfur Dioxide (SO2)0 - 6.00 ppm0.01 ppm