MRU Instruments, Inc.
USER MANUAL OPTIMA 7 BIOGAS
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5
MEASUREMENT PRINCIPAL
The analyzer draws a sample of the flue gases from the duct using a built-in gas pump through the probe is cleaned and
dryed using condensate separator with built-in filter and analyzes the extracted gas with electrochemical sensors.
Draft and temperature are measured at the tip of the sampling probe.
5.1
Gas flow diagram
Position
Description
1
Sampling probe
2
Triple hose
3
Condensate separator
4
Star filter
5
Non return valve
6
Gas pump
7
Sensor chamber
8
O2-Sensor
9
Further electrochemical sensors * (CO, NO2, H2S)
10
CO2/CH4 NDIR Sensor
11
Not connected
12
Pressure sensor *
* optional
