LDV on RDE road test

Gaseous and Exhaust Flow Measurement

SEMTECH® DS+ For Light-Duty


The SEMTECH® DS+ is a rugged, compact, gaseous analyzer which evolved from our SEMTECH® LDV. Optimized for flexibility, safety, ease-of-use, and low cost of ownership, DS+ provides highly accurate real-world emissions data. The DS+ base PEMS is comprised of gas analyzer system (or GAS), a sample control system (or SCS), and an exhaust flow meter (or EFM).

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