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天然气在线水露点分析仪

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产品名称: 天然气在线水露点分析仪
产品型号: Promet EExd
产品厂商: 其它品牌
产品文档: 无相关文档


简单介绍

一个完整的过程水露点测量解决方案,对天然气、LNG中的水露点进行实时在线监测

天然气在线水露点分析仪的详细介绍

Product Features

  • EExd Flameproof ATEX and CSA certified
  • Complete Zone 1 or 2 installation
  • Low wattage AC supply only utility requirement
  • Single- or dual-channel measurement
  • Calibration traceable to NPL (UK) and NIST (USA)
  • Field adjustment maintenance by user adjustment or unique sensor exchange service
  • Range -120 to +30°C dew point, 0.001 to 30,000 ppmV
  • Moisture content units in ppmV, mg/Nm-³, Lb/mmscf
  • Integrated electronic pressure measurement
  • Modbus RTU and 4-20 mA linear signals
  • Process and instrument status volt-free alarm contacts
  • Remote global access options
  • Touch screen control

    Technical Specification

    MAIN UNIT
    Measured and Calculated ValuesDew point °C & °F
    ConversionsAutomatic Pressure Compensated Conversions ppmV for Natural Gas and Ideal Gas
    Lb/mmscf and mg/Nm-³ for Natural Gas
    Dew point at a pressure input by the User for Natural Gas and Ideal Gas
    Calculations for natural gas moisture content based on either ISO 18453 or IGT#8 to customer order preference
    Keypad/DisplayCapacitive touch-screen through glass
    Display: Vacuum Flourescent
    Data LoggingA rolling maximum of 150 data logs is available. Each log records time, date, moisture and pressure values for each channel. 5 minutes minimum and 60 minutes maximum logging intervals can be set by the user
    Communication & OutputsFour non-isolated 4-20 mA channels; 500 Ω maximum load. Range and value settable by the user
    Modbus RTU @ 9600 baud-rate.
    AlarmsTwo volt free contacts per channel; one process value and one instrument status. Also available via Modbus communications
    Main Unit EnclosureInternal temperature control for condensation protection and stable analysis conditions
    TypeFlameproof EExd
    ConstructionBody and lid cast Copper free Aluminum LM25(EN AC-42000). 15mm thick heat resistant glass window. Cable gland entries ½" NPT (female)
    FinishChromate primer, Polyester P9010 powder coated (Black). Meets BS3900
    Electrical Connections2.5mm² two part terminals
    Hazardous Area CertificationATEX Certification Code: Group II, Category 2 G
    CodeEEx d IIB + H2 T4 Tamb -40 +60°C (-40 +140°F)
    Ingress ProtectionIP66 (NEMA 4)
    Measurement Range-120°C dp to +30°C dp (-184 / +86°F); 1 ppbV to 30,000 ppmV
    Calibration Range-100°C dp to + 20°C dp (-148 / + 68°F); 10 ppbV to 23,000 ppmV
    AccuracyDew point: ±1°C between -59.9 & + 20°C dp (±1.8°F: -75.9 to +68°F dp)
    Moisture content: ±10% of reading
    Dew point: ±2°C between -60 & -100°C dp (±3.6°F: -76 to -148°F dp)
    Moisture content: ±20% of reading
    Analysis Pressure: ±0.25% FS
    Measured Resolution0.1°C: -80 to + 20°C dp (0.2°F: -112 to + 68°F dp)
    1°C: -100 to -80°C dp (2°F: -148 to -112°F dp)
    Displayed ResolutionDew point: 0.1°C (0.2°F) Lb/mmscf: >999.9 = 0.1, <999.9 = 0.02
    ppmV & mg/Nm-³: <100 = 0.001; >100 <1000 = 0.01; >1000 = 0.1
    MPa & Barg: 0.1
    p.s.i.g.: 1.0
    Temperature CoefficientAlgorithm compensation
    Operating PressureMax. 206 Barg , (2987 p.s.i.g.)
    Sample Gas Connections¼" NPT (female)
    Sample Flow Rate0.0-0.4 m³/h (0-6.66 l/min)
    Power Supply90-264 VAC, 47 to 63 Hz, 110 to 300 VDC, 180 W
    Operating EnvironmentIndoor/Outdoor: -20°C to +60°C (-4 + 140°F)
    Shaded location: Max 95% RH
    In/Out Port Connections¼" NPT (female)
    Remote Interface
    Optional, for indoor safe area installation
    Host CapacityUp to 31 Michell EExd Process Instrumentation Range analyzers in any combination of models via Modbus
    DisplayBacklit color 15cm/6" LCD
    User InterfaceIntegral mouse, on-screen keyboard
    FunctionsView and modify analyzer operating settings
    Record parameters to file and view virtual chart recorder
    Analyzer diagnostics
    PortsLAN, USB2
    Data DownloadCSV (comma separated variable) format for easy import to Excel™
    Remote AccessOPC (OLE for Process Control) over a LAN
    Imbedded web page/unique IP address for PC access
    Power Supply100-280 V, 50/60 Hz
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