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Compact, sub-ppm NH3 laser diode gas detector

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IR Microsystems has released a sub-ppm ammonia gas detector.

The drift-free detector shows an RMS noise of 0.15ppm, with linearity up to 1000ppm. The sensors are targeted toward applications in industrial safety, refrigeration, emission control, life-stock farming and agriculture.

The microLGD gas sensors are offered as stand-alone systems or OEM sub-mounts for the continuous monitoring of NH3 and other gases like O2, CO2, CH4, H2O, etc. IR Microsystems’ Next Generation Gas Detection products have features including: extremely high selectivity, calibration-free operation, low-cost-of-ownership, and functional safety.

The patented measurement principle is based on Tunable Diode Laser Spectrometry (TDLS) and results in unique products without a reference channel, allowing for simpler, lower-cost systems. The sensor comprises a microprocessor-driven read-out module with digital and analog data outputs for industry-standard connectivity (I2C-bus, RS485, RS232, or 4-20 A). The unit is built ready-to-use for rapid OEM integration into stand-alone units, detector networks or explosion-proof housings.

 

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