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For monitoring: CH2O (Formaldehyde, Methanal)

Laser Absorption Spectroscopy based CH2O Analyzer

The TRACE-GAS CH2O analyzer combines reliability, fast response and ease of use in one instrument. Designed for calibration-free and direct measurement of formaldehyde (CH2O).

You want to directly measure CH2O in your exhaust gas? We can provide a solution for hot-wet measurements with our LASmini! Send an enquiry here.

  • no cross sensitivities
  • no calibration required
  • selective, continuous real-time measurement
  • spectral correlation check
  • no formation of condensate
  • no consumables
  • no additional components (ready-to-use)
  • purely physical measuring principle required
  • Stationary (test chambers) + transportable measurement (battery operation)

  • Monitoring of outgassing from indoor building products

  • Formaldehyde measurement in exhaust gas from gas engines/turbines

  • Online concentration measurement for process control (continuous measurement)

  • Concentration monitoring at the workplace

  • Indoor air monitoring

  • Fence-line monitoring

  • Emission monitoring of wood products

  • Emission measurement of vehicles

Technical dataLAS CH2O
Ambient temperature10 – 35 °C
Ambient pressure800-1100 mbar
Gas flow< 0,8 l/min
CommunicationModbus TCP/IP + analog output 4 – 20 mA
Dimensions (L x W x H)567 x 485 x 221 mm, 19″ housing
Weightapprox. 19 kg
Supply voltage100 – 240 V AC/50 – 60 Hz
Measuring range (FS)0 – 10 ppm
Limit of detection (LOD) 1@ t10-t90 < 100s: ≤ 5 ppb (2σ)
Response time (t10-t90) 2≤ 30 s
Linearity (greater of)≤ ± 0,5 ppm or ± 1 % of measured value
Zero drift≤ 50 ppb in 8 h
Span drift≤ ± 1 % FS in 8 h
1 lower detection limits on request
2 depending on flow and filter settings

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We look forward to help you choose the perfect gas analysis products for your needs. Talk to us about different technologies and our gas analyzers or OEM sensors.