<prompt> Kata thermometer measuresAir temperature onlyAir temperature, humidity and air movementAir temperature and humidityAir velocity only  <response>: Kata thermometer measures cooling power of air: Cooling power of air comprises of Air temperature Humidity Air movementKata thermometer readings as indices of thermal comfort: Dry kata reading 6 Thermal comfort Wet kata reading 20 Thermal comfortNowadays it is used to record low air velocity. 