The DRALLIM Waveguide Dehydrator type 12457 is an energy saving integrated unit of compact dimensions designed specifically to supply low pressure dry air to waveguides and aerial feeders. The unit is free standing and can be sited in any convenient location. Its low noise level of around 60dBA is quiet enough to allow it to be sited in manned areas.

The dehydrator utilises a well proven heatless reactivation system capable of supplying dry air at a dewpoint of better than -40deg C via either five or ten outlets to which 6mm OD tubing can be connected (Adaptors are available if this size does not suit user requirements); push-fit bulkhead couplings are sited at the top rear of the cabinet. Air is supplied through these at low pressure, reduced by the output regulator to between 0.5 and 7psi. Initial alarm and safety valve settings are selected in accordance with a nominal supply pressure of 2psi.

Two versions are available, designated 12457/L5 and 12457/L10, both of which operate from a voltage of 230V AC 50Hz. Each delivers in excess of 35 ft3 /hr.

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