In-Situ cross duct laser (TDLS) gas analyzer

LAS 5000XD

The In-Situ TDLS gas analyzer has been designed for meeting the requirements of a large range of CEMS and Process applications.

LAS 5000XD uses Tunable Diode Laser Spectroscopy (TDLS) and comes in various models for measuring parameters such as NH3 + H2O, HF, CO + CO2, O2, HCl + H2O, etc.
It combines robustness, fast response time (1 s) and high accuracy measurement in harsh environments (ready for Ex Zone II).

Key operator benefits of LAS 5000XD In-Situ laser gas analyzer:

  • No sampling system needed
  • No gas temperature influence
  • Gas matrix interference free
  • Calibration free measurement
Thanks to ClearPath, interference of relative humidity, O2 or CO2 is removed in purging areas.
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KEY FEATURES

  • New Embedded ClearPath functionality
  • Highly sensitive and selective measurement
  • High signal-to-noise ratio
  • No measurement drift
  • Response time 1 s
  • Large dynamic range from ppm to %
  • Real-time communication between Transmitter (Tx) and Receiver (Rx)
  • Robust, ready for Ex Zone II (certification to come)

💡 CLEARPATH

  • Interference of relative humidity, O2 or CO2 is removed in purging areas.

Operator’s benefits:

  • No need for N2 or dry air purge
  • High accuracy of O2 measurement
  • High accuracy of H2O measurement
  • High accuracy of CO2 measurement

CUSTOMER BENEFITS

  • Low maintenance and cost of ownership
  • No need for N2 or dry air purge: Oil & dust free air instrument is enough
  • Process optimization leading to reduction of operating costs

A WIDE RANGE OF APPLICATIONS FOR CEMS AND PROCESS

  • Ammonia slip control (DeNox)
  • Process and combustion control
  • HF emission control in aluminum plant
  • HCl/SO2 abatement control
  • Ethylene cracking furnace control
  • HCl level in semiconductor production
  • Ammonia concentration control in pet food, fertilizer plants, etc.
Measurable parameters
Pollutant Range
NH3 + H2O 0–10 ppm / 0–5000 ppm + 0–5% / 0–40%
HF 0–3 ppm / 0–500 ppm
CO + H2O 0–50 ppm / 0–1% + 0–5% / 0–40%
CO + CO2 0-1% / 0-100% + 0-1% / 0-100%
CO2 + H2O Coming soon
O2 Coming soon
HCl + H2O Coming soon
Other gases Available upon request

 

Technical Specifications
Technology ADLAS (Advanced Detection Laser Absorption Spectroscopy)
• Optimized Opto-Mechanical Design
• High Speed Low-Drift Electronics
• Powerful Signal Processing and Algorithm
• Independent Spectroscopy Technique
Lower Detection Limit < 1% of FS
Response Time (0–90%) – Short 1 s
Lack of fit/Linearity ≤ ±1%
Flue Gas Temperature (°C max)
NH3 + H2O / HCl + H2O / HF
CO + H2O / O2 / CO + CO2
+400°C (Depends on the concentration range)
+1200°C (Depends on the concentration range)
Flue Gas Pressure 2 bars max (absolute)
Display on Tx 4 x 20 LCD
Communication Modbus RTU (RS485) / Ethernet (RJ45) – Web server
Power supply type + 24 V DC, ripple and noise 50 mV
Power consumption 15 W (warm-up)
< 15 W in standard use
Recommended T° (ambient) -20°C to +55°C
IP index Tx & Rx enclosures IP65
Flange specification requirement on stack DN50 PN16, 2’’ – 150 lbs, Class 150
Flange material SS 316 L
Air consumption
(main purge – necessary)
5-50 L/min (to adjust according to site conditions)
(dry and oil free, ISO 8573.1 Class 2-3)
Air consumption
(secondary purge – recommended)
2-3 L/min (dry and oil free, ISO 8573.1 Class 2-3)
Stack diameter compatibility From 0.5 to 20 m
Note – The technical specifications are defined in the following conditions: Gas temperature = 25°C / gas
pressure = 1013 mbar / pathlength = 100 cm / ambient temperature = 25 °C
Options
Junction Box Analog I/O (2 x 4-20 mA/2 x 4-20 mA) – Digital Output (2 relays)
Thermal Shield
Audit Cell
Inline Cell
Alignment Tool
Weather protection covers

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