575 SERIES AMBIENT AIR ALARM MONITOR FOR NITROGEN OXIDE APPLICATIONS Designed to monitor and alarm for nitrogen oxide (NO) levels in ambient air near industrial sites, manufacturing facilities, combustion processes, etc. 575P - Pump Style in NEMA 12 Enclosure (models shown with optional strobe light) Fast response to the presence of NO Instant warm up, no wait Bright digital readout Easy to use and calibrate Modular layout that is easy to maintain 4-20mA output signal for recording NEMA 12 dust-tight enclosure 575D - Diffusion Style in NEMA 12 Enclosure • Available in diffusion or pumped sampling configurations • Low flow alarm on pumped sample models • NEMA 4 & 4X weather-proof enclosures • Alarm with relay contact and 'Sonalert' audible alarm with 'Acknowledge' button • Bright red strobe light for visible alarming CALIBRATION • On N2 for zero • Analyzed calibration gas of NO in N2 for span NOVA ANALYTICAL SYSTEMS www.nova-gas.com 575DR1 - Alarm Unit and One Remote Diffusion-Style

DESCRIPTION The Nova 575 Series Nitrogen Oxide (NO) alarm monitors are designed for the continuous detection of NO in ambient air. The NO sensor is of the disposable electrochemical type with an expected life of between 3-4 years. The sensor needs no warm up time and is ready to go as soon as the monitor is turned on. 575D - one diffusion-type sensor in main cabinet 575DR1 - one diffusion sensor remote from main cabinet 575DR2 - two remote diffusion sensors 575DR3 - three remote diffusion sensors 575DR4 - four remote diffusion sensors • 575P - built-in sample pump to draw in sample from another...