LAS CH₂O
For monitoring: CH2O (Formaldehyde, Methanal)
Laser Absorption Spectroscopy
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.
- Key Features
- 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
- Applications
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 Data
Technical data LAS CH2O Ambient temperature 10 - 35 °C Ambient pressure 800-1100 mbar Gas flow < 0,8 l/min Communication Modbus TCP/IP + analog output 4 - 20 mA Dimensions (L x W x H) 567 x 485 x 221 mm, 19" housing Weight approx. 19 kg Supply voltage 100 - 240 V AC/50 - 60 Hz - Specifications
Specifications Measuring range (FS) 0 - 10 ppm Limit of detection (LOD) 1 ≤ 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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