no interfering signal an extremely accurate results
huge price advantage
low sample volume and small cell size
low amount of drift
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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