Request list

is empty

You are here

M2 Series Explosion Proof Gas Transmitters

If you cannot find the part number in the documentation please provide detail. Specific to this item, it could include part number or application detail, (ex. 20 meters of cable, or 20 litres of volume)

The RKI M2™ is a state-of-the-art transmitter that can operate as an independent, stand-alone system or as part of a system connected with an analogue or digital signal to virtually any controller, PLC, or DCS. Set-up procedures are simplified with user friendly push buttons and LCD menus. It utilises 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 ageing.

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

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

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 for flammables, CO, H2S, O2, and CO2, and Class I, Div. 2 for all other toxics.

Features
• Operates independent of a controller
• Direct digital readout on backlit LCD
• Available for combustible gases, oxygen,
• carbon dioxide, and toxic gases
• 4-20 mA & digital Modbus outputs standard
• Non-intrusive calibration via magnetic wand
• 2 fully programmable alarm relays & fail relay
• Explosion proof housing
• Patented water repellent sensor cover (except non explosion proof toxics)
• User friendly set-up, push buttons & LCD menus
• Approved versions for explosion proof sensors
• Long-life sensors (2 + years typical)

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.

Ordering Information:

All M2 includes the sensor and explosion proof housing.
M2 Series Stand Alone Transmitter

Explosion Proof M2 Assemblies
65-2628RK-CH4 M2, IR Methane (CH4) 0-100% volume, sensor / transmitter, with j-box

65-2610RK-05 M2, LEL 0-100% sensor (catalytic) / transmitter with j-box, CSA version
65-2611RK-05 M2, Hydrogen (H2) specific 0-100% LEL sensor / transmitter with j-box, CSA version 65-2616RK-05 M2, Carbon Monoxide (CO) 0-300 ppm sensor / transmitter with j-box, CSA version
65-2615RK-05 M2, Hydrogen Sulfide (H2S) 0-100 ppm sensor / transmitter with j-box, CSA version
65-2613RK-05 M2, Oxygen (O2) 0 - 25% sensor (capillary type) / transmitter with j-box, explosion proof, CSA version

65-2610RK M2, LEL 0-100% sensor (catalytic) / transmitter with j-box, UL version
65-2611RK M2, Hydrogen (H2) specific 0-100% LEL sensor / transmitter with j-box, UL version
65-2619RK-CH4 M2, IR Methane (CH4) 0-100% LEL, sensor / transmitter, with j-box, UL version
65-2619RK-HC M2, IR Hydrocarbons (isobutane) 0-100% LEL, sensor / transmitter with j-box, UL version
65-2630RK-02 M2, IR Carbon Dioxide 0-5,000 ppm, sensor / transmitter with j-box, UL version
65-2630RK-03 M2, IR Carbon Dioxide 0-5%, sensor / transmitter with j-box, UL version
65-2630RK-05 M2, IR Carbon Dioxide 0-50%, sensor / transmitter with j-box, UL version
65-2630RK-10 M2, IR Carbon Dioxide 0-100%, sensor / transmitter with j-box, UL version

Non Explosion Proof M2 Assemblies
65-2613RK M2, Oxygen (O2) 0 - 25% sensor (capillary type) / transmitter with j-box (non explosion proof)
65-2614RK M2, Oxygen (O2) 0-25% sensor / transmitter with j-box (partial pressure sensor) (non explosion proof)
65-2632RK M2, Hydrogen Sulfide (H2S) 0-100 ppm sensor / transmitter, non explosion proof with j-box
65-2633RK M2, Carbon Monoxide (CO) 0-300 ppm sensor / transmitter, non explosion proof with j-box
65-2631RK-02 M2, IR Carbon Dioxide (CO2) 0-5,000 ppm, sensor / transmitter, non explosion proof with j-box
65-2631RK-03 M2, IR Carbon Dioxide (CO2) 0-5%, sensor / transmitter, non explosion proof with j-box
65-2631RK-05 M2, IR Carbon Dioxide (CO2) 0-50%, sensor / transmitter, non explosion proof with j-box
65-2631RK-10 M2, IR Carbon Dioxide (CO2) 0-100%, sensor / transmitter, non explosion proof with j-box

M2 Series Stand Alone Sensor / Transmitter With ESM-01 Toxic Sensor
Non Explosion Proof Sensors / Transmitter
65-2618RK-ASH3 M2, Arsine (AsH3) 0-1.5 ppm sensor / transmitter, non explosion proof with j-box
65-2618RK-HCN M2, Hydrogen Cyanide (HCN) 0-15 ppm sensor / transmitter, non explosion proof with j-box
65-2618RK-NH3 M2, Ammonia (NH3) 0-75 ppm sensor / transmitter, non explosion proof with j-box
65-2618RK-PH3 M2, Phosphine (PH3) 0-1 ppm sensor / transmitter, non explosion proof with j-box
65-2618RK-SO2 M2, Sulfur Dioxide (SO2) 0-6 ppm sensor / transmitter, non explosion proof with j-box