RKI Instruments 65-2640RK M2A Gas Sensor Transmitter
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RKI Instruments 65-2640RK is an M2A gas transmitter with OLED display, 4-20mA/Modbus outputs, automatic zero drift correction, and multi-gas detection capability.
Product details
| Model | 65-2640RK |
| Manufacturer | RKI Instruments |
| Category | Gas Analyzers & Detectors |
| Availability | Made to order |
Description
Overview
The RKI Instruments 65-2640RK is an advanced M2A standalone gas transmitter with OLED display for direct digital readout. It features automatic zero drift correction and operates independently or in conjunction with controllers, PLCs, and DCS systems. Available for multiple toxic gases and combustibles, the M2A includes electrochemical plug-in sensors for toxic gases and infrared detection for combustibles and CO2.
Key Features
- High-resolution OLED display for direct digital readout
- Operates with or without external controller
- 4–20 mA and digital Modbus outputs standard
- Two fully programmable alarm relays plus fail relay
- Non-intrusive magnetic wand calibration
- Automatic zero drift correction for stable readings
- Electrochemical plug-in sensors for toxic gases (NH3, SO2, PH3, AsH3, HCN)
- Infrared sensor for combustibles and CO2
- Typical sensor life of 2+ years
- User-friendly push-button setup and menu-driven interface
Applications
- Toxic gas monitoring in chemical facilities
- Combustible gas detection in industrial plants
- CO2 monitoring in enclosed spaces
- Integration with PLC/DCS control systems
Specifications
| Display | OLED |
| Operating Mode | Standalone or with controller |
| Analog Output | 4–20 mA |
| Digital Output | Modbus |
| Alarm Relays | 2 programmable + fail relay |
| Calibration Method | Non-intrusive magnetic wand |
| Sensor Types | Electrochemical (toxics), Infrared (combustibles/CO2) |
| Sensor Life | 2+ years typical |
| Zero Drift Correction | Automatic |
| Detectable Gases | NH3, SO2, PH3, AsH3, HCN, combustibles, CO2 |
| Setup Interface | Push-button with menu navigation |
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RKI Instruments 65-2640RK M2A Gas Sensor Transmitter
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