Technically, the ambient temperature registered by the dry-bulb thermometer of a psychrometer.
Explain that the psychrometer hangs from a chain attached to a metal bar which the students will hold tightly at all times.
The room shall be large enough to permit the use of a manually operated sling psychrometer.
The instrument used to measure humidity is called a psychrometer.
Take a reading of the scale and a relative humidity reading with a psychrometer.
The cabinet has a door and has room to store the psychrometer and weather book by which the towerman determines the fire danger.
Air temperature and humidity readings are usually taken with a sling psychrometer.
The so-called integrated sensors currently include the barometer and psychrometer.
Remember, the fabric sock on the wet bulb of the psychrometer must be moistened prior to use, preferably with distilled water.
Relative humidity and air temperature is recorded with a digital sling psychrometer.
British Dictionary definitions for psychrometer
a type of hygrometer consisting of two thermometers, one of which has a dry bulb and the other a bulb that is kept moist and ventilated. The difference between the readings of the thermometers gives an indication of atmospheric humidity Also called wet-and-dry-bulb thermometer