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PAS Analyzer

Photo acoustic gas analyzer

The customized TRACE-GAS PAS analyzers combine reliability, speed and ease of use in one device. Developed for the calibration-free and direct measurement.

Examples of customer-specific projects using PAS technology

Here you can have a look at our previously developed analyzers in the PAS technology area. Please do not hesitate to contact us, even if your application is not listed. We develop individually based on your requirements!

Photo acoustic spectroscopy

Main features

no interfering signal an extremely accurate results

huge price advantage

low sample volume and small cell size

low amount of drift

Photo acoustic spectroscopy

Application fields

01

immission in ambient air

02

site selection for measuring stations

03

detection of nitrogen oxide sources

04

building of measuring networks

Technical Data

Technical data
Ambient temperature5 – 35 °C (non condensing)
Inlet pressure800 – 1.200 mbar
Gas flow< 0,5 l/min (1)
CommunicationModbus 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 voltage230 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

SpecificationsPAS-NO2PAS-NO2 – Immission
GasNO2
Measurement range (FS) min.0 – 10 ppm0 – 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

Need help?

Let us help you choose the perfect gas analyzer technology for your needs. We develop customized gas analyzers or OEM sensors according to your specifications. Simply talk to us about your desired application!