Michell Instruments XTP601

Oxygen Analyzer

Envent is working in partnership with Michell Instruments to provide a more comprehensive product offering of online process instrument designed specifically for measuring oxygen. The XTP601 Oxygen Analyzer for safe or hazardous areas is a robust, linear and stable device that is used for measurements in gases such as biogas, methane, hydrogen, nitrogen or carbon dioxide. The analyzer meets the requirements of IEC61508 SIL2.

XTP601 Datasheet

  • Features
    • General purpose or ATEX, IECEx, CCSAUS, TC, TR & Ex hazardous area certified models
    • Meets the requirements of IEC61508 SIL 2
    • Ranges available: 0–0.5% up to 0–50% & 20, 80 or 90–100%
    • Touch-screen display allows calibration or adjustment without the need for a hot works permit
    • Intrinsic error (accuracy) is better than 1% full scale
    • Zero span stability better than 0.25% of span per month
    • Outputs include RS485 and two 4-20mA (following NAMUR NE 44 standard)
    • Low cost of ownership due to minimal maintenance and no consumable parts
  • Downloads
  • Applications

    •    Monitoring inert blanketing gases for hydrocarbon processing
    •    Inert gas for pharmaceutical or chemical industries
    •    Biogas, waste, landfill and digester plants
    •    Furnace gas control in steel industry
    •    N2 generators
    •    O2 generators

  • Specifications
    Measurement Technology Thermo-paramagnetic oxygen sensor
    Gas Process and non-condesing sample with particles <5µm
    Measurement Range Selectable from 0–0.5% up to 0-50% and 20, 80 or 90–100%
    Accuracy Excluding Suppressed Zero Ranges ±0.02% O2 or <±1% of span whichever is greater
    Accuracy For Suppressed Zero Ranges (80/90 - 100%) ±0.2% O2 or <±1% of span whichever is greater
    Repeatability ±0.2% of span or 0.01% O2 whichever is greater
    Background Gas Analyzer is calibrated in the background gas of the process. Standard gases are: N2, CO2, CH4, H2 & Biogas. Others available on request
    Analog Inputs 2 off 4-20 mA inputs
    One for an external sensor that can be displayed on the screen
    One to act as an active compensation for the process conditions
    Analog Outputs 2 off 4-20 mA outputs (powered with 24V excitation voltage)
    Output Ranges Primary range is set to the calibrated range of the instrument
    The second is user configurable between 0-100%
    Alarms 2 off single pole changeover (SPCO) relays for O2 concentration (250 V, 5 A max)
    Datalogging The user can use the digital communications to log the output from the analyzer
    The unit will store 40 alarm points and the min/max O2 concentrations with date and time stamp
    Digital Communications MODBUS RTU over RS485 Protocol
    Power Supply 24 V DC; 1.5 A max

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