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Ozone Process Monitor
Model 454
Description in PDF Format

Features Ranges from 0 - 5% to 0 - 20% w/w Available in standard DIN panel mount or NEMA 4X High visibility, 4-digit display Temperature and Pressure Compensation Units of weight% or grams/Normal m^3 Narrow Band detector eliminates need for UV filters Analog and RS232/485 outputs Status LEDs to monitor performance Options One of either Standard DIN panel mount housing or NEMA 4X housing External Ozone Destructor External Particulate Filter Isolated 0-20mA or 4-2OmA output

The Model 454 is available in ranges from 05% weight to 0-20% weight, and is factory calibrated in accordance with International Ozone Association standards. The measurement principle is based on the absorption of UV light at 254nm. As the sample containing ozone flows through the absorption cell it is exposed to UV light at 254nm wavelength. The amount of absorption by ozone is measured by a narrow bandwidth UV detector. A reference detector measures the lamp output to compensate for changes in light intensity. This method, using a narrow spectrum UV source and a narrow bandwidth detector provides excellent performance and stability without requiring additional filters.

The Model 454 includes temperature and pressure compensation to allow normalized readings of weight/volume. A front panel keypad allows display of concentration or cell pressure, while indicating LEDs provide diagnostics of monitor performance.

The Model 454 employs state-of-the-art microprocessor design to provide accurate. dependable monitoring of the ozone process.