AZ8758 Digital Wet Bulb Globe Temperature Humidity Tester WBGT Meter Heat Index Checker with 40mm Black Ball Indoor Air Quality Meters Max / Min function to

Max / Min function to review data

Principle:F Magnetic Induction & NF Type Eddy Current

*Main unit weight：245g

use to testing apple

menu prompt information

AZ8758 Digital Wet Bulb Globe Temperature Humidity Tester WBGT Meter Heat Index Checker with 40mm Black Ball Indoor Air Quality Meters Max / Min function toBrand: 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