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The Nova 460 Series SO2 analyzers utilize a reliable microprocessor-based non-dispersive infrared detector specific to SO2. In operation, the internal sample pump draws the sample gas through the filter/condensate trap, secondary filter, flow meter, and then on to the infrared detector. The detector output is digitally linearized and then displayed as percent or PPM SO2 on the digital meter. The output is also available as an analog or digital signal.

Cabinet: NEMA 4 cabinet with Hazardous Area Purge System; available for Class 1 Div1 & Div2 hazardous areas
Unit of Measure

Specifications

Method of Detection

 N/A Microprocessor based single cell NDIR

Ranges Available

 N/A 460 - 0-1, 0-5, 0-10, 0-20, 0-30, 0-50, 0-100% SO2 460L - 0-1000, 0-3000, 0-5000, PPM SO2

Resolution

 N/A 0.1% SO2 on % versions, 10 PPM SO2 on PPM versions

Accuracy & Repeatability

 N/A 1% of full scale

Drift

 N/A Less than 2% of full scale per month

Response Time (T-90)

 N/A Less than 15 seconds

Ambient Temperature Range

 N/A 40 to 122°F (5 to 50°C), Lower temperatures (-5°F, -20°C) with Cold Weather Package

Linearity

 N/A ±1% of full scale

Size & Weight

 N/A Physical data will vary depending on enclosure style and options required

Power

 N/A 115 VAC, 60 Hz 220 VAC, 50 Hz

Output Options

 N/A 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485, MODBUS, Ethernet outputs

Alarms

 N/A High and/or low alarm contacts available, relay contacts SPDT 5A @ 220 VAC rating Low flow alarm

Analyzer Type

 N/A Continuous Online, Single Gas

Hazardous Area Rating Options

 N/A Class 1, Div 2 Hazardous Area Rating

Applications

N/A

    For continuous analysis of sulfur dioxide (SO2) in process gas streams using an infrared detector. Percent and PPM levels available as Models 460 & 460L respectively.

Features

N/A

  • Percent (460) or PPM (460L) SO2 by infrared detector
  • Detector is sensitive, reliable, and non-depleting
  • Bright digital readout
  • Fast response (T90 - less than 15 seconds)
  • Microprocessor control for push button calibration
  • Easy-to-maintain modular layout
  • Built in sample pump, flowmeter, and filters
  • 4-20 mA outputs

Options

N/A

  • Hi/Low gas, low flow, and diagnostic alarms available
  • Isolated analog, RS232, RS485, MODBUS, and Ethernet outputs available
  • Sample conditioning systems available for removal of moisture, acidic gas, and dust
  • Cabinet purge system available for use in hazardous areas
  • One-step 'cal-now' button with touch screen LCD display
  • Full automatic calibration with touch screen LCD display
  • Cold weather package for operation to -5°F (-20°C)
  • Cabinet coolers can be fitted to most models
  • Sensors mounted in temperature controlled heated box to improve accuracy
  • High temperature filters and probes

Calibration

N/A

  • Easily zero checked on ambient air
  • Span using a known SO2 in nitrogen (N2) calibration gas.

Unique Applications

N/A

    All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova. In many cases, we are able to build an analyzer specific to your needs.

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