Electrochemical Oxygen Analyser - EC900

The electrochemical oxygen analysers of series 900 are designed to measure most accurately oxygen levels in gases. The EC900 is used worldwide in industrial and laboratory applications.

Various versions  of the EC900 allow measurings in trace, ultra trace or percent ranges.

The EC 900 is one of the worldwide most  sucessfully used  analysers for residual oxygen measurings.

The  oxygen analysers of series EC900 are available with two different sensors. These sensors switch to each other in order to increase measuring time and their lifetime.
  • T90 : 30 sec (RACE™ sensor)
  • Response time O2 in inert gas: 20.9% <20ppm O2 within 3 min
  • Sensor lifetime: 3 to 6 years, depending on version and application up to 10 years
The EC900 is available with three various casing types. All casings can be upgraded on demand. Additional plugs, mounting brackets, handles or jack rings can be mounted.
  • Panel mounted or bench-top casing EC910 190x137x410mm
  • NEMA 4X/IP66 waterproof and weatherproof casing EC920 460x380x160mm
  • 19″ rack mount casing EC930 178x484x410mm
Depending on the required measuring range, various sensors can be used.  Four configurations are available for this, starting with measurements of oxygen in percent ranges, measurements of residual oxygen up to ultra trace analysis.
  • Percent measurement – EC 900 Measurement range: 0.3% …100%
  • Trace measurement – EC901 Measurement range: 0.1ppm …1%
  • Ultratrace Measurement-EC902 Measurement range: 0.01ppm … 100 ppm
RACE – EC903 Measurement range: 0.1ppm …100% The EC903 RACE is by far the most popular and most widely used oxygen analyzer in the world. For most applications this analyser can display the total oxygen value and is most unaffected against a premature failure of the sensors. In atmospheres with hydrogen insensitive sensors can be used.  
The electrochemical analyzers can be equipped with accessories and numerous configurations. The result is an oxygen analyzer that is precisely tailored to customer’s applications. For example:
  • Level alarms (digital changeover contacts)
  • Up to 3 free programmable analog outputs (switchable between 0…20mA, 4…20mA and 0…10V)
  • Shut-off valves – recommendable if the analyzer is not used continuously (extends the lifetime of the cells)
  • Integrated sample gas pump
  • External pump
  • Filters (analysing filters, coalescence filters, pre-filters)
  • Condensate membrane
  • Flow alarm
  • Bypass for quicker response times
  • Pressure regulator
  • Tubing from stainless steel
  • Inert gas regulation
  • (Nitrosave)
  • Auto calibration
  • 24V/DC version
  • Mounting and installation accessories

Applications

  • Additive manufacturing
  • Aluminium industry
  • Analysis gas storage
  • Food and beverage industry
  • MAP packaging monitoring
  • Glass manufacturing
  • Inert glove boxes
  • Semiconductor industry
  • Bond ovens
  • Inert gas regulation
  • Ceramics
  • Adhesive industry
  • Soldering systems
  • Pharmaceutical industry
  • Thermical afterburning
  • Sinter and reflow furnaces
  • Heat treatment
  • UV Print
  • Petrochemical and Polychemical industry
  • Pyrolysis process
  • Reflow furnaces
  • Welding systems

Benefits at a glance

 
  • Long lifetime of the sensors
  • Extremely fast response times
  • Good reproducibility of measuring values
  • Extremely low measurement inaccuracy (<2% of the reading)
  • Numerous configuration options
  • Insensitive against hydrogen
  • Cost saving by inert gas regulation
  • Maintenance and calibration in Germany
  • Unaffected by vibrations and change of position
  • Good readability
  • User-friendly
  • USB interface
  • Computer software inclusive
0.1ppm ...100% O2
Various versions
Combinable with other measuring devices
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