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The Nova 311 Series Portable SO2 Analyzer utilizes a reliable, customer-replaceable electrochemical sensor which responds quickly to the SO2 present in the flue gas sample. Its life expectancy is between 2 and 3 years. The pre-dried gas sample drawn into the analyzer by the sample pump is filtered, and then indicated on the flow meter. The cleaned sample then passes through the sensor chamber where the SO2 is detected and digitally displayed on an LCD meter. The meter may also be backlit for use in dark areas.
A rechargeable battery provides enough power to the pump and electronics for about 20 hours of continuous operation. The analyzer can still be operated while it is being charged. A red LED light on the front panel indicates when to recharge. A green LED lights indicates when charge is complete.
Unit of Measure

Specifications

Method of Detection

N/A Customer replaceable electrochemical SO2 sensor

Ranges Available

N/A Any range up to 0-2000 PPM SO2

Resolution

N/A ±10 PPM

Accuracy & Repeatability

N/A ±1% of full scale, based on a 0-2000 PPM range

Drift

N/A ±1% full scale per month

Response Time (T-90)

N/A 20-30 seconds for 90% of step change

Ambient Temperature Range

N/A 0 to 40 ºC32 to 105 ºF

Linearity

N/A ±1% of full scale

Size & Weight

N/A 14" L x 6" H x 10 1/2" D @ 12 lbs (35.5 x 15.2 x 26.6 cm @ 5.5 kg)

Power

N/A 115 VAC and rechargeable battery operation, Battery charger included 220 VAC

Output Options

N/A 0-1 VDC 4-20 mA

Hazardous Area Rating Options

N/A General Purpose, Non-Hazardous

Applications

N/A

    Analysis of sulfur dioxide (SO2) by electrochemical cell in pre-cleaned and dried flue gas and process streams.

Features

N/A

  • Rugged design that is easy to operate and maintain
  • Fast warm-up and response
  • Disposable, long life electrochemical SO2 sensor
  • Digital readout meter with backlight
  • Modular layout that is easy to maintain
  • Rechargeable battery operation
  • Any range up to 0-2000 ppm SO2
  • Built in sample pump, filter, flow meter, and active condensate removal
  • Rapid reading recovery after SO2 'overdose'
  • Stainless steel probe with sample hose
  • Weatherproof (WP) cabinet with clear Lexan cover

Options

N/A

  • Recorder outputs of 0-1 V or 4-20 mA (can be isolated)
  • Suitcase-style (K) enclosure
  • Sample pre-cooler
  • AC power only operation
  • SO2 alarms with LED
  • Detachable Data Logger

Calibration

N/A

  • Air for zero.
  • Analyzed calibration gas mixture of PPM SO2 in nitrogen for span.

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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