Environmental Solutions

HG 520 / Gas Analyzer

The HG-520 is a compact and reliable 4-gas automotive emission analyzer designed to measure CO, CO₂, HC, O₂ and calculate Lambda (λ), Air-Fuel Ratio (AFR), and optional NOx.

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Aeroqual - Series 500 Portable Air Quality Monitor

Brand Aeroqual The Series 500 Portable Air Quality Monitor enables accurate real-time surveying of common indoor and outdoor pollutants in an ultra-portable device.

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