Purging system protects sensitive equipment
A
Brownell product story
Edited by the Engineeringtalk editorial team
Nov 20, 2007
The NEPS1900's choice of three selectable pressure cycles ensures that the dry gas influences all the test space volume.
The Brownell NEPS1900 rack-mounted automatic dry nitrogen purging system has been designed to simplify and improve efficiency of humidity removal and oxygen inhibition of electronic, optical and high voltage equipment, instruments, housings and storage containers.
The system that fits standard 19in racking and is portable and robust.
Single-connection operation speeds setup and improves purging effectiveness.
The use of a single-pipe connection controls and disperses the gas throughout the instrument or system being purged and isolates the gas during depressurisation.
Single-connection purging also eliminates the 'pocketing' problem of traditional systems where gas can flow too easily from an entry to an outlet.
The NEPS1900's choice of three selectable pressure cycles ensures that the dry gas influences all the test space volume.
During the process, when the pre-selected level is achieved the supply gas is isolated and an internal control valve allows the gas to flow to the exhaust port where the dewpoint of the mixed air/gas is measured.
The purging continues until the desired dewpoint protection has been achieved.
Simple to use selectable programming can be set to view process control variables and display dewpoint measurements in C or F with pressure in kPa or PSI.
Four built-in leak testing capabilities are selectable to ensure verification of the sealing standard of the equipment to be purged and the system's dewpoint monitor can check the all-important gas dryness before purging.
The Brownell system can operate from global voltages and frequencies from 100 to 230V AC at 50-60Hz.
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