The 3M™ QUESTemp° Heat Stress Monitor QT-34 is a rugged, easy to use, data logging thermal environment monitor.

QUESTemp°34 unit with 2" style globe sensor and standard accessories
Real-time readings for wet/dry bulb, globe, WBGT indoor/outdoor, relative humidity and heat index
Optional remote sensors for up to (3) simultaneously monitored areas
Humidex/heat index reading
Data logging