There are a lot of places to buy a sling psychrometer. Any company which sells scientific equipment should have them, or one could buy it from Amazon or Bacharach.
4
It measures humidity
Relative humidity
A
There are two types - the wet-bulb sling psychrometer and the dry-bulb psychrometer. Look up the definitions of these instruments for more details.
when was the sing psychrometer invente
A sling psychrometer (which is a hygrometer) measures the moisture content of the atmosphere surrounding it. It is called a sling psychrometer because it is whirled around in the air until a constant value/reading is obtained from the wet-bulb thermometer.
At Hardwere Stores:)
4
It measures humidity
One of the better ways would be to use a sling psychrometer.
A
Relative humidity
it has changed a lot
A sling psychrometer measures relative humidity by comparing the readings of two thermometers, one dry and one wet. It works on the principle that the rate of evaporation is influenced by the humidity of the air.
One of the better ways would be to use a sling psychrometer.
There are two types - the wet-bulb sling psychrometer and the dry-bulb psychrometer. Look up the definitions of these instruments for more details.