Model AQH-20 Handheld Indoor Air Quality Meter

The Model AQH-20 is a handheld meter built to measure a range of indoor air quality parameters, combining portability with versatility. It typically measures metrics such as temperature, relative humidity, CO₂, TVOC, and possibly exposures like formaldehyde depending on sensor options. With a clear display, intuitive menu controls, and data logging capability, it is perfect for HVAC diagnostics, indoor environment audits, building commissioning, or environmental health and safety evaluations.

Key Features:

Multi-parameter measurement: CO₂, TVOC, temp, humidity, etc.

Portable handheld form for field use

Intuitive display and menu-driven interface

Data logging and recall for measurement records

Suitable for HVAC audits, indoor air quality assessments, and building inspections