Breath Ethanol NDIR Gas Sensor

A precision NDIR breath ethanol sensor designed to accurately measure ethanol concentration in exhaled air for BrAC assessment and analytical use.

Key Features:
✔️  NDIR infrared sensing enables direct and selective ethanol detection
✔️  Optimized for breath analysis and controlled air sampling
✔️  Measurement range up to 2000 µg/L supports intoxication assessment
✔️  Infrared absorption principle ensures stable, repeatable results
✔️  High selectivity minimizes interference from non-ethanol VOCs
✔️  RS232 interface allows reliable integration with diagnostic systems
✔️  Designed for continuous operation in medical and forensic settings
✔️  Operates reliably within a 0°C to +55°C temperature range

Breath Ethanol NDIR Gas Sensor

The Breath Ethanol NDIR Gas Sensor employs infrared spectroscopy to quantify ethanol concentrations in exhaled breath from 0 to 2000 micrograms per liter. The measurement chamber allows IR radiation to pass through breath samples, where ethanol molecules absorb specific wavelengths corresponding to their molecular structure. This absorption diminishes the optical signal reaching the detector, and the sensor calculates concentration using Beer-Lambert law principles. RS232 communication interface enables direct connection to analyzers and recording devices for immediate data capture.

The unit functions across temperatures from 0°C to +55°C, supporting field use in variable weather conditions. Internal design incorporates an infrared emitter, narrow-band optical filter centered on ethanol’s absorption peak, and a sensitive photodetector. The wavelength selectivity prevents interference from water vapor, carbon dioxide, and other breath components.

Military police units utilize the Breath Ethanol NDIR Gas Sensor for duty fitness assessments at base entry points and vehicle checkpoints. Navy shore patrol teams carry portable versions to verify sobriety before personnel board ships or submarines where alcohol is prohibited. Airforce security forces implement these sensors during pre-flight screening to ensure pilots and crew meet zero-tolerance standards.

Personnel depend on Tactical Supply Pakistan for instrumentation that delivers accurate results when operational readiness is at stake. The supplier recognizes that breath analysis technology must perform without fail in security applications. Their equipment selection reflects commitment to mission-critical accuracy.

How does the 2000 µg/l range relate to legal intoxication limits?
Legal blood alcohol limits typically convert to 100-400 µg/l in breath depending on jurisdiction. The 2000 µg/l range covers five times the legal threshold, allowing detection of severe intoxication cases while maintaining sensitivity at lower concentrations for early intervention and safety assessments.

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