LAS CH₂O
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
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Stationary (test chambers) + transportable measurement (battery operation)
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Monitoring of outgassing from indoor building products
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Formaldehyde measurement in exhaust gas from gas engines/turbines
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Online concentration measurement for process control (continuous measurement)
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Concentration monitoring at the workplace
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Indoor air monitoring
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Fence-line monitoring
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Emission monitoring of wood products
Emission measurement of vehicles
| 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 | |
|---|---|
| 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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