Humidity adsorbers protect electrical equipment
A
Brownell product story
Edited by the Engineeringtalk editorial team
Jan 24, 2008
Brownell panel mounted humidity adsorbers are blue when dry and turn pink when the maximum amount of moisture has been adsorbed.
Brownell panel-mounted humidity adsorbers have been designed to protect all kinds of electronic and electrical equipment and systems against corrosion, dampness and contamination by reducing any existing or incoming moisture to acceptable levels, with the added safety of integral indicators that monitor saturation and indicate when reactivation or replacement is required.
These plastic units use powerful adsorbing agents in either silica gel or molecular sieve form.
They are blue when the humidity adsorber is dry and turn pink when the maximum amount of moisture has been adsorbed.
The silica gel humidity adsorbers can be reactivated for re-use by heating them at 120C for four hours in a ventilated oven.
Molecular sieve adsorbers maintain an ultra-low relative humidity for extremely sensitive applications and cannot be reactivated.
They are recommended for use on equipment or enclosures that may be subject to operation at low temperatures and wherever any chance of water vapour condensation must be positively eliminated to prevent possible immediate failure.
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