RKI Instruments 65-2640RK-04 M2A Sensor/Transmitter, LEL
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RKI Instruments M2A gas sensor/transmitter with OLED display, 4-20 mA and Modbus outputs, dual alarm relays, and 2+ year sensor life.
Product details
| Model | 65-2640RK-04 |
| Manufacturer | RKI Instruments |
| Category | Gas Analyzers & Detectors |
| Availability | Made to order |
Description
Overview
The RKI Instruments M2A is a standalone gas sensor and transmitter designed for industrial safety and process monitoring. It operates independently or as part of a larger control system, connecting via analog or digital signals to PLCs, DCS systems, or other controllers. The M2A features a user-friendly OLED display with direct digital readout and menu-driven configuration.
Key Features
- OLED display with direct digital readout
- 4-20 mA analog output and Modbus digital output standard
- Two fully programmable alarm relays and fail relay
- Non-intrusive calibration via magnetic wand
- Automatic zero drift correction for stable readings
- Infrared sensor for combustibles and CO2 with LEL (Lower Explosive Limit) measurement
- Long-life sensors (2+ years typical operation)
- Operates with or without an external controller
- Push-button user interface with LCD menu system
Applications
- Industrial safety monitoring for combustible and flammable gases
- Confined space entry and ventilation monitoring
- HVAC and process control applications
- Laboratory and research facilities
Specifications
| Display | OLED with direct digital readout |
| Analog Output | 4-20 mA standard |
| Digital Output | Modbus |
| Alarm Relays | 2 fully programmable + fail relay |
| Sensor Type | Infrared (combustibles and CO2 with LEL measurement) |
| Sensor Life | 2+ years typical |
| Calibration | Non-intrusive magnetic wand |
| Zero Drift Correction | Automatic |
| Operation | Standalone or with controller/PLC/DCS |
| User Interface | Push buttons with LCD menu |
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RKI Instruments 65-2640RK-04 M2A Sensor/Transmitter, LEL
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