Photo acoustic spectroscopy
PAS Analyzer
Photo acoustic gas analyzer
The TRACE-GAS PAS analyzers combine reliability, speed and ease of use in one device. Developed for the calibration-free and direct measurement.
Photo acoustic spectroscopy
Fields of Application
01
immission in ambient air
02
site selection of measuring stations
03
detection of nitrogen oxide sources
04
building of measuring networks
Technical Data
| Technical data | |
|---|---|
| Ambient temperature | 5 – 35 °C (non condensing) |
| Inlet pressure | 800 – 1.200 mbar |
| Gas flow | < 0,5 l/min (1) |
| Communication | Modbus TCP/IP/WLAN/Radio |
| Dimensions (L x W x H) | 19″ 3 HU (543 x 485 x 143 mm) or 39 cm (with battery 47 cm) x 16,5 cm x 39 cm |
| Supply voltage | 230 V AC/50 – 60 Hz or Li-Ion battery (10,4 Ah) |
| User interface (option) | 7″ LCD (capacitive touch) |
| 1 can be adjusted if necessary | |
Specifications
| Specifications | PAS-NO2 | PAS-NO2 – Immission |
|---|---|---|
| Gas | NO2 | |
| Measurement range (FS) min. | 0 – 10 ppm | 0 – 1 ppm |
| Measurement range (FS) max. | 0 – 5.000 ppm | |
| Limit of detection (LOD)1 @t10– t90 ≤ 3 s | < 10 ppb (2σ) | < 0,5 ppb (2σ) |
| Linearity | < 1 % FS | |
| Accuracy | ± 1 % FS | |
| Zero drift | < LOD in 8 h | |
| Span drift | < 1 % FS in 8 h | |
| 1 depending on filter settings and flow-rate | ||
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