上海美盛自动化设备有限公司
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
Product Features
Technical Specification
MAIN UNIT Measured and Calculated Values Dew point °C & °F Conversions Automatic 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 preferenceKeypad/Display Capacitive touch-screen through glass
Display: Vacuum FlourescentData Logging A 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 & Outputs Four non-isolated 4-20 mA channels; 500 Ω maximum load. Range and value settable by the user
Modbus RTU @ 9600 baud-rate.Alarms Two volt free contacts per channel; one process value and one instrument status. Also available via Modbus communications Main Unit Enclosure Internal temperature control for condensation protection and stable analysis conditions Type Flameproof EExd Construction Body and lid cast Copper free Aluminum LM25(EN AC-42000). 15mm thick heat resistant glass window. Cable gland entries ½" NPT (female) Finish Chromate primer, Polyester P9010 powder coated (Black). Meets BS3900 Electrical Connections 2.5mm² two part terminals Hazardous Area Certification ATEX Certification Code: Group II, Category 2 G Code EEx d IIB + H2 T4 Tamb -40 +60°C (-40 +140°F) Ingress Protection IP66 (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 Accuracy Dew 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% FSMeasured Resolution 0.1°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 Resolution Dew 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.: 1.0Temperature Coefficient Algorithm compensation Operating Pressure Max. 206 Barg , (2987 p.s.i.g.) Sample Gas Connections ¼" NPT (female) Sample Flow Rate 0.0-0.4 m³/h (0-6.66 l/min) Power Supply 90-264 VAC, 47 to 63 Hz, 110 to 300 VDC, 180 W Operating Environment Indoor/Outdoor: -20°C to +60°C (-4 + 140°F)
Shaded location: Max 95% RHIn/Out Port Connections ¼" NPT (female) Remote Interface
Optional, for indoor safe area installationHost Capacity Up to 31 Michell EExd Process Instrumentation Range analyzers in any combination of models via Modbus Display Backlit color 15cm/6" LCD User Interface Integral mouse, on-screen keyboard Functions View and modify analyzer operating settings
Record parameters to file and view virtual chart recorder
Analyzer diagnosticsPorts LAN, USB2 Data Download CSV (comma separated variable) format for easy import to Excel™ Remote Access OPC (OLE for Process Control) over a LAN
Imbedded web page/unique IP address for PC accessPower Supply 100-280 V, 50/60 Hz
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