RKI Instruments 65-2664RK-HC

The housing of the M2A 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, and 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 M2A represents the latest leading edge technology in sensor / transmitters today.

Product Highlights

• Operates with or without a controller
• Direct digital readout with OLED display
• Available gases include:
  • LEL, O2, H2S, CO, CO2, and 100% Vol CH4
  • 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
  • Water & wastewater treatment plants
  • Pulp & paper mills
  • Manufacturing facilities
  • Automotive
  • Semiconductor plants
  • Chemical plants