3645/19_13/222/3

Description

DESCRPTION

Masonic Hygrometer Wet & Dry Bulb C&F – Simple form of psychrometer to provide an easy way to measure the amount of water vapour in the atmosphere, on a percentage scale, known as relative humidity (%RH). The difference between the temperature “wet” and “dry” of the bulb allows you to determine and calculate the %RH by using the table. The classic masonry hygrometer pattern wet and dry pear with a large water reservoir. One thermometer bulb is in the air and the other is wrapped with a wick that is kept moist from a water container. Complete with wet and dry lamp tables.

Technical Details

Product Dimensions

‎31.75 x 8.64 x 3.05 cm; 130 Grams

Part number

‎unknown

Material type

‎Plastic

Manufacturer

‎Brannan

Manufacturer reference

‎unknown

ASIN