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Dew Point Transmitter

Dew-Point-Transmitter

Vasthi Engineers Moisture Analyzer Model VMA – 888 is heavy duty, industrial hygrometer systems for measurement of high pressure, process gases and vaporized liquids on natural gas platforms and terminals, petrochemical plants and industrial gas manufacturing facilities. Vasthi moisture sensing technologies with sample conditioning system design engineering capabilities to provide a reliable and easy to operate, multi-channel on-line instrument for both flammable and non-flammable gases

Vasthi Moisture Analyzer
This Model VMA-888 is a rugged on-line instrument tailored to customers’ specific application and technical requirements.

Video Measurements can be made across a wide range from -80 to +20°C dew point with an accuracy of ±1°C dew point and at process or pipeline pressures up to a maximum of 12kg.

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Special Futures of Dew Point Transmitter :

  • Simple, cost efficient operation and low-maintenance
  • Protected against glycol or other liquid contaminants
  • Accurate direct dew-point measurement at process pressure up to 12 kg
  • Moisture range from ambient to ppb level with exhaustive list of hygrometric units, including key parameters of natural gas
  • Two 4-20 mA configurable outputs and digital Modbus RTU based communication.
  • Assured calibration integrity traceable.
  • User programmable or real-time active pressure compensation for moisture content calculation
  • Multichannel with up to 8 independent measurement channels

Applications

  • Natural gas production and processing
  • Pipeline drying
  • Offshore export pipeline natural gas
  • Transmission pipeline monitoring
  • Fiscal metering of gas
  • Gas storage facilities
  • Refinery recycle gas – reformer and plat former
  • LNG production processing and receiving terminals

Special Futures of Dew Point Transmitter :

  • Microprocessor based portable battery operated instrument.
  • Digital Graphical Display Measuring range ‐60° to +30° C dew
    point & other ranges also available on client requirement.
  • Samples compressed air up to 12 Kg/cm.
  • Pressure and up to 95°C temperature can measure directly.
  • Quick disconnect fitting, desiccant test.
  • Handy and light weight.
  • Inbuilt thin film water vapor sensor.
  • Optional RS ‐ 232 computer interface & data logger.

    Dew Point Transmitter ADDITIONAL FEATURES

  • Computer Interface: RS‐232
  • Data Logger: 1 Megabyte, Non‐Volatile Memory
  • In‐ built Pump: For Auto Suction

Dew Point Transmitter Specifications :

  • Detection Principle : Thin film Capacitance
  • Response Time : 10 seconds
  • Zero drift : 0.2% Full Scale
  • Accuracy : 1% Full Scale
  • Operating Voltage : 7-30 Volt DC
  • Operating Temperature : 0- 120 C
  • Terminations : PCB mounted terminal blocks
  • Display : Warn & Alarm Status LED Indicator Inbuilt 0.5″ LCD
  • Analog Output : 4 – 20 mA Linear/ 0-1 V DC
  • Digital Output : Two auxiliary contact for warn & alarm
  • Contact rating : 30 VDC/2A
  • Communication : RS232/RS485 (Optional)
  • Power Consumption : 3.6 W max.
  • Max. Load impedance : 350 – 650 Ohms (7V – 30V)
  • Degree of Protection : IP -65 explosion Proof

Applications :

  • Natural gas production and processing
  • Pipeline drying
  • Offshore export pipeline natural gas
  • Transmission pipeline monitoring
  • Fiscal metering of gas
  • Gas storage facilities
  • Refinery recycle gas – reformer and plat former
  • LNG production processing and receiving terminals

Dew Point Transmitter Services :

  • Evaluation
  • Custom Designs
  • Calibration & Certification
  • Repair
  • Plant visiting
  • Sampling Systems

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