The Delta OHM HD37AB1347 is a versatile indoor air quality (IAQ) datalogger designed for comprehensive environmental monitoring in various settings, including workplaces, laboratories, and public spaces. It measures critical parameters such as carbon dioxide (CO₂), carbon monoxide (CO), temperature, relative humidity, atmospheric pressure, and airspeed. Additionally, it calculates derived metrics like dew point, wet bulb temperature, absolute humidity, mixing ratio, and enthalpy, providing a holistic view of indoor air conditions.