AZ8758 Digital Wet Bulb Globe Temperature Humidity Tester WBGT Meter Heat Index Checker with 40mm Black Ball Indoor Air Quality Meters carry conveniently

carry conveniently

Probe can be selected manually or automatically

Principle:F Magnetic Induction & NF Type Eddy Current

corrosive medium and heavy dust

Max / Min function to review data

AZ8758 Digital Wet Bulb Globe Temperature Humidity Tester WBGT Meter Heat Index Checker with 40mm Black Ball Indoor Air Quality Meters carry convenientlyBrand: Graigar Features: Check Indoor outdoor WBGT, TA TG and Humidity; Very useful tool to prevent heat stroke. Check dangerous heat condition through WBGT; Programmable audible beeper for danger zone warning. The black ball thermometer is for measuring radiant temperature with a 40 mm dia. black ball; Protect sensors with a clear sheath moving up and down. Easy to self calibrate relative humidity with 33% & 75% salt bottle by moving the black ball