A complete and flexible data logging solution to accept a variety of sensors and systems

A visibility sensor designed to monitor visibility conditions over a range of 20 ft-50 miles (6m-80km)

A fully self-contained source of clean, dry air for use with dilution calibrators which removes particulate and potential interferents from ambient air to create zero air

A portable, microprocessor-based calibrator for precision gas analysers

A portable, fully self-contained source of high purity zero air for dilution calibrators

A portable, microprocessor-based calibrator for precision gas analysers

A microprocessor-controlled ozone calibrator for precision gas analysers, that can deliver concentrations from 50 ppb to 5 ppm at flows from 1 LPM to 5 LPM

A microprocessor based calibrator for precision gas analysers

A microprocessor-controlled system for nitrogen dioxide (NO₂) production

A near reference air quality sensor designed to provide accurate real time measurements of PM₁₀, PM₄, PM₂.₅, and PM1 particulate concentrations simultaneously

Black Carbon Monitors to measure the absorption of particulate matter onto filter tape continuously

A sensitive, high-resolution, fast-response instrument for measuring aerosol optical properties relevant for climate change and carbon particle sensing