Siemens Industry, Inc. - Process Analytics

- Model 6 - Continuous Gas Analyzer



The 'Combi-Analyzer' ULTRAMAT/OXYMAT 6 combines the features of the ULTRAMAT 6 and OXYMAT 6 in one analyzer in a 19' rack design. Most frequently used for demanding applications, the ULTRAMAT 6 must meet high standards with regard to reliability and measuring quality. This is guaranteed by modern electronics, ease of operation and a physical element that is adapted to the measuring task. Up to two infrared active components and oxygen can be measured in a single analyzer. The use of optical couplers and optical filters in the IR physics increases the selectivity and means that, in many cases, the analyzers can be used for measurements even in complex gas mixtures. It also guarantees measurements of lower concentrations and lower detection limits.

The OXYMAT 6 physics is based on the measurement of oxygen using the paramagnetic effect by the alternating pressure method. This guarantees perfect linearity and allows parameterization of minimal measuring ranges of 0 to 0.5 % (detection limit 50 ppm) up to 0 to 100 % or even 99,5 to 100 % in a single device.

  • Max. number of components: 2 IR + O2
  • Components: O2 and IR-active components
  • Smallest measuring range: 0-0,5 % O2 and IR Component-specific: 0-5 / 0-100 ppm
  • Housing: 19“ rack unit

  • Corrosion-resistant materials in gas path (option): Measurement possible in highly corrosive sample gases
  • Cleanable sample cells: Cost saving in further use in case of pollution
  • Open interface architecture (RS 485, RS 232, PROFIBUS)
  • SIPROM GA network for maintenance and servicing information (option).

Areas of application

  • Measurement for boiler control in incineration plants
  • Emission measurements in incineration plants
  • Measurement in the automotive industry (test benches)
  • Warning equipment
  • Process gas concentrations in chemical plants
  • Trace measurements in pure gas processes
  • Environmental protection
  • TLV (Threshold Limit Value) monitoring at the workplace
  • Quality monitoring
  • Ex versions for analyzing flammable and non-flammable gases or vapors for use in hazardous areas

19' rack unit

  • 19' rack unit with 4 HU for installation
  • in hinged frame
  • in cabinets with or without telescopic rails
  • Front plate for service purposes can be pivoted down (laptop connection)
  • Internal gas paths: hose made of FKM (Viton) or pipe made of titanium or stainless steel
  • Gas connections for sample gas inlet and outlet: pipe diameter 6 mm or 1/4'
  • Flow indicator for sample gas on front plate (option)
  • Pressure switch in sample gas path for flow monitoring (option)

Field device

  • Two-door enclosure with gas-tight separation of analyzer and electronics sections from gas path
  • Individually purgeable enclosure halves
  • Parts in contact with sample gas can be heated up to 65 °C (option)
  • Gas path: hose made of FKM (Viton) or pipe made of titanium or stainless steel (further materials possible as special applications)
  • Gas connections for sample gas inlet and outlet: pipe union for pipe diameter 6 mm or 1/4'
  • Purging gas connections: pipe diameter 10 mm or 3/8'

Display and control panel

  • Large LCD field for simultaneous display of:
  • Measured value (digital and analog displays)
  • Status bar
  • Measuring ranges
  • Contrast of the LCD field adjustable via the menu
  • Washable membrane keyboard with five softkeys
  • Menu-driven operator control for parameterization, test functions, adjustment
  • Operator support in plain text
  • Graphic display of concentration trend; programmable time intervals
  • Bilingual operating software:
  • German/English, English/Spanish, French/English,
  • Spanish/English, Italian/English

Input and outputs

  • One analog output per medium (from 0, 2, 4 to 20 mA; NAMUR parameterizable)
  • Two analog inputs freely configurable (e.g. correction of cross-interferences or external pressure sensor)
  • Six binary inputs freely configurable (e.g. measurement range changeover, processing of external signals from the sample preparation)
  • Six relay outputs freely configurable e.g. for fault, maintenance request, limit alarm, external solenoid valves)
  • Expansion by eight additional binary inputs and eight additional relay outputs e.g. for autocalibration with up to four test gases

RS 485 present in the basic unit (connection at the rear; for the rack unit also behind the front plate).


  • AK interface for the automotive industry with extended functions
  • RS 485/RS 232 converter
  • RS 485/Ethernet converter
  • RS 485/USB converter
  • Connection to networks via PROFIBUS DP/PA interface
  • SIPROM GA software as the service and maintenance tool

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