Protimeter humidity sleeves BLD4902 are used when measuring the equilibrium / content RH (relative humidity) value of solid walls and floors. The sleeves are inserted into the wall or floor by drilling a hole into the selected material and inserting within. Due to the dirty, rough environments in which humidity sleeves are used they will inevitably become damaged and unsuitable for further use. These replacements are specifically designed to be used in conjunction with the Protimeter Hygromaster 2 and MMS2 hygrometer devices.
