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A new solid-state vacuum leakage sensing system that is pre-programmed to activate an alarm when a 10% reduction of the vacuum is detected, or signal another I/O
device such as an emergency stop function on a controller, has been introduced by ANVER
Corporation of Hudson, Massachusetts.
The ANVER VLS-07 Series Vacuum
Leakage Sensing System features pressure sensors, a microprocessor, an LCD display for
inches Hg, an audible warning horn, a red light, and a test button. Providing positive leak
detection, it is a peak seeking device that will activate an alarm when a 10% reduction of
vacuum is detected, and will continue until a sufficient increase in vacuum has been
achieved or the indicated level drops below 5" (12.7 cm) Hg.
Suitable for use on non-porous
loads with any stand-alone vacuum equipment, the ANVER VLS-07 Series Vacuum Leakage
Sensing System sets itself based upon the maximum vacuum of the host. Powered by a 9V
lithium battery, it has a low battery indicator and features an output jack for connecting
a loud auxiliary siren (105 dB) and flashing strobe, or for connecting to another I/O
device.
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