Gas analyzer — CO (carbon monoxide) 0–1000ppm

Gas analyzer — CO₂ 0–5000ppm

Gas analyzer — O₂ (oxygen) 0–25%

Gas analyzer — CH₄ (methane) 0–100%LEL

Gas analyzer — H₂S (hydrogen sulfide)

Gas analyzer — NH₃ (ammonia)

Gas analyzer — Cl₂ (chlorine)

Gas analyzer — SO₂ (sulfur dioxide)

Gas analyzer — NO₂ (nitrogen dioxide)

Multi-gas detector (4-in-1: O₂, CO, H₂S, LEL)

Gas leak detection (leak detector) — universal

Gas leak detection — ultrasonic

Air quality meter — PM2.5, PM10

Air quality meter — VOC (organic vapors)

Air quality meter — HCHO (formaldehyde)

Air quality meter — CO₂+temperature+humidity (combo)

Air quality meter — professional (IAQ meter)

Anemometer — vane

Anemometer — hot wire

Anemometer — ultrasonic (3D wind sensor)