Description
Product Parameters
- Model Number: FMA-5UR2
- Manufacturer: Komyo Rikagaku Kogyo K.K.
- Detection Method: Non-Dispersive Infrared (NDIR)
- Target Gases: CO, CO2, CH4, and other infrared-absorbing gases
- Measurement Range: Customizable per application (e.g., 0-500ppm to 0-100%)
- Repeatability: Within ±0.5% of full scale
- Linearity: Within ±1.0% of full scale
- Response Time (T90): Typically less than 10 seconds (depending on flow rate)
- Output Signal: 4-20mA DC or 0-1V DC analog outputs
- Power Supply: AC 100V – 240V, 50/60Hz
- Operating Temperature: 0°C to 45°C
The Komyo FMA-5UR2 is a high-precision analytical instrument utilizing NDIR technology to provide continuous, interference-free measurement of specific gas concentrations in industrial processes. Designed for rack or panel mounting, this unit features a dual-beam optical system that ensures long-term stability and high sensitivity, making it a staple for environmental monitoring, combustion control, and specialized laboratory gas analysis.
Differences from Similar Models
The FMA-5UR2 is distinguished from other NDIR analyzers in the Komyo lineup by its refined optical path and electronic processing:
- Dual-Beam Stability: Unlike the single-beam FMA-mini series, the 5UR2 uses a reference beam to compensate for light source aging and cell contamination, significantly extending the time between calibrations.
- Multi-Component Capability: The “UR2” designation often refers to the unit’s ability to be configured for dual-gas detection within a single chassis, whereas the FMA-5U is typically restricted to a single gas species.
- Enhanced Filter Technology: This model utilizes high-selectivity narrow-band interference filters that minimize cross-sensitivity to water vapor (H2O), a common issue in cheaper infrared sensors.
- Flow Control Integration: Compared to basic sensor modules, the FMA-5UR2 includes more sophisticated internal bypass and flow-regulating components to ensure the sample cell pressure remains constant.
Product Operation Tips
- Zero-Gas Purification: Always use high-purity Nitrogen or dry, CO2-free air when performing a zero-point calibration. Any trace of the target gas in your “zero” source will create a permanent negative bias in your readings.
- Sample Conditioning: Ensure the sample gas is cooled and stripped of moisture before entering the analyzer. Liquid water entering the NDIR cell can damage the gold-plated interior and necessitate an expensive factory cleaning.
- Warm-up Period: Allow at least 30 to 60 minutes of warm-up time after power-on before relying on measurements. The infrared source and detector temperatures must stabilize to achieve the rated ±0.5% repeatability.
- Cell Maintenance: If the “Energy Low” alarm triggers, inspect the sample cell windows for dust. In many cases, a gentle cleaning with optical-grade wipes and isopropyl alcohol can restore signal strength without requiring a full sensor replacement.
