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All Categories > By Primary Gas to be Measured > Oxygen Analyzers (O2) > Continuous Oxygen Analyzers (O2) > 970 Series Syngas > Item # 974B  


Item # 974B, Continuous Analyzer for Syn-Gas Atmospheres - O2, CO, CO2 and H2

The Nova 970 Series Syn-Gas Analyzer System has been designed with the flexibility and robustness required in the experimental and developmental environments that characterize syn-gas applications.

The Nova 970 Series utilizes high-stability infrared detectors for the simultaneous measurement of CO, CO2, and CH4. In addition, the analyzer can also be supplied with a non-consumable, long-life thermal conductivity cell for H2 that compensates for the interference effects of CO, CO2, and CH4. This ensures that H2 will always read correctly regardless of the background gas composition.  A non-depleting paramagnetic sensor is used for O2 analysis.  All sensors/detectors are temperature-controlled or temperature-compensated for maximum analytical stability.  Auto calibration functionality allows easy calibration without user intervention.  The included Serial Output Package allows connection of analyzer to personal computers via a choice of USB/RS-232/RS-485. Data recording software is also included.





Specifications  · Applications  · Features  · Options  · Calibration

Specifications

Method of Detection
NDIR infrared detector for CO and CO2
Paramagnetic sensor for O2
Thermal conductivity cell for H2

Ranges Available
0-2.0%, 0-25.0%, 0-50.0%, 0-100.0% O2
0-2.0%, 0-50.0%, 0-100.0% CO
0-2.0%, 0-50.0%, 0-100.0% CO2
0-2.0%, 0-50.0%, 0-100.0% H2

Resolution
0.1% for all gases

Accuracy & Repeatability
± 1.5% of full scale on all gases

Drift
Less than 2% of full scale per month

Response Time (T-90)
20-30 seconds to 90% step change

Ambient Temperature Range
40-104 °F (4 to 40°C). Optional -22 to 158 °F (-30 to 70 °C) with Outdoor Packages

Linearity
± 1.5% of full scale

Size & Weight
24" H x 24" W x 10" D @ 90 lbs (61 x 61 x 25 cm @ 20 kg)

Power
115 VAC 60 Hz (220 VAC 50 Hz available)

Output Options
Isolated 4-20 mA standard
RS232, RS485, MODBUS®, Ethernet outputs optional

Alarms
High and/or low alarm contacts available, relay contacts SPDT 5A @ 220 VAC rating.


Applications

For continuous monitoring of any combination of gases such as oxygen (O2), methane (CH4), carbon dioxide (CO2), carbon monoxide (CO) and hydrogen (H2) for experimental, developmental and industrial processes including syn-gas atmospheres.


Features

  • Sensitive infrared detectors for CO, CO2 and CH4
  • Thermal conductivity cell for H2
  • Non-depleting paramagnetic oxygen sensor
  • Sensors/detectors temperature controlled or compensated for maximum analytical stability
  • H2 reading is compensated for the interference effects of the other gases measured
  • High ranges on each channel available
  • Touch-screen display for gas readings
  • Built-in sample pump or pressure regulator
  • Automatic calibration & serial output package
  • Isolated 4-20 mA analog recorder outputs
  • Durable internal lines & sample components
  • Automatic moisture removal system included

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    Options

  • Calculations performed on gas readings such as gas ratios and heating value of flammable gases
  • Hi/Low gas, low flow and other alarms available
  • Sample conditioning systems available for acidic gas and dust
  • Cabinet purge system available for use in hazardous areas
  • Outdoor packages available for operation from -22 to 158 °F (-30 to 70 °C)
  • Cabinet coolers can be fitted to most models
  • Heated filters and high temperature probes

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    Calibration

  • Ambient air for O2 and to zero all other gases
  • Analyzed calibration gas with representative concentrations for span of all other gases

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