Hygro-Thermo-Anemometer-Light Meter

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The 45170 is a 4-in-1 meter which measures Humidity, Temperature, Air Velocity and Light. Dual LCD simultaneously displays Temperature and Air Velocity or Relative Humidity. High Temperature air or surface measurements can be made using the built-in Type K input. Comes complete with built-in Humidity sensor, Light sensor and Vane wheel, wrist strap, and 9-Volt battery.