Extech 45160 3-in-1 Humidity, Temperature and Airflow meter - Ergonomic pocket size housing, large dual LCD

Features: 

• Simultaneously displays Temperature and Air Velocity or Relative Humidity
• Type K input socket for high temperature measurements to 2372°F (1300°C) using optional (TP870) Type K thermocouple
• Min/Max, Data hold, Auto power off with disable feature
• Built-in low friction vane wheel improves air velocity accuracy
• Thin-film capacitance humidity sensor for fast response