TDL-406 Rackmount Laser Gas Analyzer main view

Rackmount Laser Gas Analyzer

The TDL-406 is a tunable diode laser for real-time monitoring of several components in gases. The system fits a standard 19" rack, designed for easy integration in analyzer shelters and laboratory settings.

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  • Optical, contact-less measurement
  • Accurate laser-diode electro-optics
  • High selectivity
  • Fast response
  • Self-contained
  • Continuous sensor status monitoring
  • Low maintenance
  • Low cost-of-ownership
  • Digital and analog data interfaces
  • Hot-gas measurement up to 190°C

Technical Drawing

View in separate window TDL-406 Rackmount Laser Gas Analyzer drawing


  • NH3 - Low Range: 0-20ppm; High Range: 0-100ppm
  • HCl - Low Range: 0-50ppm; High Range: 0-100ppm
  • H2O - 0-30%
  • CH4 - 0-100ppm
  • CO2 - 0-1000ppm


Measurement Principle Tunable Diode Laser Spectrometry (TDLS)
Sample Medium Gas
Analyzer Calibration Factory calibrated
Reading Verification Via zero and span gases
Human Machine Interface Applied Analytics standard HMI: industrial controller with touch-screen LCD display
Data sheet
Software ECLIPSE™ online TDL
Data Storage Solid State Drive
Data sheet
Enclosure 19” 5U Rackmount
Ambient Conditions
Analyzer Environment Indoor
Ambient Temperature 15 – 50 °C
Physical Specifications
Dimensions 8.64”H x 19.00”W x 14.05”D
Weight 30 lbs.
Process Connections 1/4” tube fittings
Utility Requirements
Electrical Requirements 100-240 VAC
Power Consumption 370 Watts
Outputs/ Communication
Outputs 1x 4-20mA analog output
1x Fault Relay (Dry Contact)
1x Ethernet connection for remote control
1x Optional serial connection for Modbus


PDF — English
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