RKI Instruments M2A Gas Transmitter
Fixed mount detector continuously monitors & displays gas concentration as a stand alone monitor or as part of a system
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- LEL, O2, H2S, CO, CO2 & 100% vol CH4
- Many toxic gases including NH3, SO2 & HCN
- Infrared sensor for combustibles & CO2
- Explosion proof options
- 35 second or less response time
- 10-30VDC operating voltage
- 4-20mA & digital Modbus outputs
- Available approval ratings:
- UL, cULus, CSA, cCSAus
- Radio frequency resistent CSA
- 2 fully programmable alarm relays & fail relay
- Non-intrusive calibration via magnetic wand
- Water repellent sensor cover
- Available as remote or direct mount
- Remote mount includes calibration adapter
What's in the Box
- Junction box
The RKI Instruments M2A gas transmitter operates as a stand alone gas monitor or as part of an integrated system. It connects to any controller, PLC, or DCS with an analog or digital signal. It can be calibrated externally with a magnetic wand, avoiding the need to open the housing and declassify an area for routine maintenance. Automatic zero drift correction compensates for aging sensors and ensures stable readings.
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. Toxic sensors are electrochemical type plug-in sensors, providing high specificity, fast response, and a long life. Their plug-in design allows quick replacement in the field without tools. Sensors are available for NH3, SO2, PH3, AsH3, and HCN.
Applications for the RKI Instruments M2A include petrochemical plants, refineries, water and wastewater treatment plants, pulp and paper mills, manufacturing facilities, automotive, semiconductor and chemical plants.
Here's how some of our customers used this product.
O2 Level Detection
The Background: Our customer is a large metal fabricator with multiple welding booths. They seek a means of monitoring the oxygen levels inside each booth.
The Problem: The customer uses argon as a shielding gas during the welding process. Since argon can displace oxygen in the welding booth, it is important to monitor oxygen levels to ensure they are above a minimum threshold.
The Solution: We recommended the RKI Instruments M2A gas transmitter which can be used as a stand-alone gas monitor or as part of an integrated system. The M2A includes internal relays to trigger a visual or audible alarm if the oxygen levels below the preset limit.