- III - Portable On-Site HF Measurement Analyser

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LaserGas - III - Portable On-Site HF Measurement Analyser

NEO Monitors new portable analyser is compact, lightweight, and battery powered for HF measurement on the spot. With on-board pump and connections for Teflon tubing the target gas is continuously transferred into the internal measurement cell. Due to the instrument's digital low power design it may be operated for an entire working shift with one battery charge.

The analyser provides reliable operation with instantaneous response and sufficient dynamic range to measure sub ppm and several hundred ppm HF concentrations. In contrast to many other measurement techniques, short-term HF peaks are uncovered with the LaserGas III.

Other gases such as NH3, HCl, and H2S will be implemented consecutively and are available on request.

Features:

  • Gen. 3 compact LaserGas electronics
  • Portable close to 2 kg weight
  • Low power < 10 Watt
  • Sub ppm HF detection in seconds
  • No interference from other gases
  • Stable calibration, no zero drift
  • Other gases on request

The TDLS Portable Solution

NEO Monitors new portable analyser is compact, lightweight, and battery powered for HF measurement on the spot (other gases such as HCl, NH3, H2S on request). With on-board pump and connections for Teflon tubing the target gas is continuously transferred into the internal measurement cell. Due to the instrument´s digital low power design it may be operated for an entire working shift with one battery charge.

Fast and Reliable

The LaserGas III Portable HF Analyser allows for fast and reliable operation with sufficient dynamic range to measure sub ppm and several hundreds ppm HF concentrations. The laser scans the absorption line in milliseconds. The results are averaged and subsequently output every second. In contrast to many other measurement techniques short-term HF peaks are uncovered with the LaserGas III. The LaserGas III is our most reliable and repeatable gas sensor with all electronics designed according to IEC 61508, SIL 2 (safety integrity level).

State of the Art Technology

NEO Monitors LaserGas is using Tuneable Diode Laser Spectroscopy (TDLS) i.e. a non-contact optical measurement method employing solid-state laser sources. Therefore, the sensor remains unaffected by contaminants and corrosives and does not require regular maintenance. The highly selective laser source scans a single gas absorption line specific to the target gas, thus eliminating cross interference from other gases.

Key Application Areas

The LaserGas III Portable HF Analyser is the solution for reliable detection of shortterm HF concentrations, wherever diffuse emissions occur representing a risk to the work force. Focused applications are:

  • Aluminium smelters: Worker protection during active pot work
  • Aluminium smelters: Mapping plant emissions
  • Refinery alkylation plants: Worker safety
  • HF stack gas testing
Neo Monitors AS
Neo Monitors AS
Solheimsveien 62 A
Loerenskog , 1471; 1471

APPLICATIONS

Gas monitoring and dust monitoring for the power industry - Energy

LaserGas measurements

  • Boiler combustion control, O2 and CO
  • DeNOx system, NH3 and NO
  • Electrostatic precipitators (ESP), CO monitoring for explosion prevention
  • Stack gas emissions, NH3, H2O, NO
  • Coal silos, CO monitoring for explosion prevention and detection of smouldering fires (only in coal fired plants)

LaserDust measurements

  • Stack gas emission
  • Coal silo, explosion prevention

Gas monitoring and dust monitoring for the cement industry - Construction & Construction Materials - Cement

LaserGas measurements

  • Preheater exit, CO monitoring
  • Electrostatic precipitators (ESP) after pre-heaters, CO monitoring for explosion prevention
  • Coal silo, CO monitoring
  • Exit of coal mill, dust filter, CO monitoring
  • Stack gas emissions, HCl and HF

LaserDust measurements

  • Stack gas emissions
  • Coal silo, explosion prevention

Gas monitoring and dust monitoring for the steel industry - Metal - Steel

  • Blast furnace offgas, combustion control, CO, CO2, O2
  • Converter (Basic oxygen furnace BOF)
    • CO gas recovery
    • O2 measurement for explosion prevention
  • Electric arc furnace offgas, combustion control, CO, O2, H2O
  • Reheating furnaces, O2
  • Coking plant
    • CO analysis in oven offgas
    • O2 analysis for explosion prevention in raw coke gas or after tar precipitator
    • NH3 measurement after scrubber

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