ENVEA

- Model MMS - Automatic Mercury Monitoring in Air and Gases

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The MMS basically comprises a multiplexer-valve unit and a highly accurate and selective mercury detector (VM-3000 Vapor Monitor) for measurements in air and other gases. Each mercury on-line system will differ in sample characteristics as well as installation conditions and operating environment. We have the experience to design systems that fully meet the requirements of your particular mercury monitoring task.

  • Low maintenance
  • Insensitive to water vapors
  • High stability, fast response time
  • Monitors 2 to 24 measuring points automatically
  • Versions for air, hydrogen and other gases available
  • Permanent purging of all sample lines
  • Measuring ranges from 0.01 µg/m³ to 2000 µg/m³ Hg
  • Software for data acquisition, data visualisation and storage
  • Automatic Calibration Module
  • Special version with UT-3000 Ultratracer available

  • Chlor-alkali plants with mercury cells
  • Metallurgical industry
  • Fluorescent lamp production or recycling
  • Battery recycling plants
  • Contaminated sites
  • Hydrogen production plants
  • Laboratories or processing plants working with mercury
  • Gold mines
  • Natural gas industry (see product MMS-NG for natural gas systems)

  • Measuring principle: cold vapor atomic absorption (CVAAS) at 253.7 nm
  • UV-Source: Electrodeless low pressure mercury lamp (EDL)
  • Stabilization method: Reference beam method
  • Optical cell: Fused silica (Suprasil), l: approx. 230mm, heated approx. 45°
  • Measured component: Total Gaseous Mercury (TGM)
  • Measuring ranges (Standard version): 1 – 100; 1- 1000; 1 – 2000 µg / m³
  • Measuring ranges (special version with UT-3000 Ultratracer): 0,01 – 50 µg/m³
  • Measuring duration: 45 sec – 99 minutes, separately adjustable for each channel
  • Sample flow: approx 80l/h per channel
  • Heating of valve unit: approx. 70 °C

  • Signal outputs: analogue: 4-20 mA; serial: RS 232; Modbus RTU (optional); Ethernet (optional)
  • Status output: 3 x pairs of relay contacts (dry contacts)
  • Max. sample temperature: 65 °C
  • Operating temperature: 0 – 40 °C
  • Power supply: 230 VAC / 50 Hz (110 VAC / 60 Hz option)
  • Power consumption: max. 500 – 750 VA; depending on number of channels and optional equipment
  • Cabinet: metal, protection standard IP 55 (NEMA 4X, others optional)
  • Dimensions (W x H x D): from 553 x 600 x 500 mm (WxHxD) to 800 x 2000 x 600 mm; depending on number of channels and optional equipment (air conditioning)
  • Weight: approx. 35 – 175 kg; depending on number of channels and optional equipment

  • Our products are manufactured according to the ISO 9001 quality regulations.
  • CE approved

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