Ozone Engineering
2530 Patra Drive
El Sobrante, CA 94803
(510) 758-5570
(510) 758-5571 (FAX)
cindy@ozone-engineering.com


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Ozone Process Monitor
Model 454
Description in PDF Format

API Model 454 Ozone Process Monitor

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 a microprocessor-based gas sensor for measuring high concentrations of ozone in oxygen or air. It is available in a standard DIN panel mount or a NEMA 4X configuration with a highly visible 4-digit LED display. The compact design provides ease of mounting and installation.

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.

Specifications

Range:0 - 5, 0 - 10, 0 - 15, 0 - 20% w/w; 0 - 100, 200, 300, 400 g/Nm3
Pressure Comp.:up to 3 Bar absolute (dependent upon range).
Proof pressure:115 psia
Repeatability:1% of Full Scale.
Response Time:2 sec. to 95%
Zero Drift:1% Full Scale/month (non-cumulative)
Temperature range:5° to 45°C
Wetted Materials:316 Stainless Steel, PTFE, Sapphire
Fittings:1/4" staintess steel compression (std)
Flow:0.5 to 5 LPM
Power:90-265VAC, 50/6OHz
Display:4 digit LED readout
Analog Output:0 - 5V Full Scale; 4-2OmA or 0-20mA isolated outputs optional
Zero Cal:Front Panel Keypad or Contact Closure Input
Digital Outputs:Sensor OK, Lamp Low, Cett Dirty, Invalid Reading, (Opto-isolated)
Serial data Interface:RS485 or RS232
Dimensions (HxWxD):1/2 DIN Panel Mount - 3.83" (97 mm) x 7.61" (193 mm) x 7.63" (194 mm)
Weight:4.0 lbs. (1.8 kg)

Configuration Options

All models include: