Specifications
10
3
Specifications
3.1
Readings
Oxygen (O
2
) concentration in flue gas
Reading
% of flue gas volume (dry conditions)
Meas. principle
electrochemical sensor
Range
0.0 to 21.0 %
Accuracy
± 0.3 Vol. -%
Carbon monoxide (CO
V
4,000 ppm) in flue gas
(Wöhler A 550 and Wöhler A 550L)
Unit
ppm of flue gas volume (dry conditions)
Measurement
principle
Electrochemical sensor
Range
0 to 4,000 Vol. ppm, resolution 1 Vol.-ppm
Accuracy
± 20 ppm (< 400 ppm), otherwise 5% of reading
Carbon monoxide in flue gas (Option for Wöhler A 550)
Unit
ppm of flue gas volume (dry conditions)
Meas. principle
Electrochemical sensor
Range
0 to 100,000 Vol. ppm, resolution 1 Vol.-ppm
Accuracy
± 100 ppm (< 1,000 ppm), otherwise 10% of reading
(when H
2
< 5 % of reading)
Carbon monoxide (CO
V
4,000 ppm) in flue gas
(Wöhler A 550 H)
Unit
ppm of flue gas volume
Meas. principle Electrochemical sensor , H
2
compensated
Range
0 to 4,000 Vol. ppm, resolution 1 Vol.-ppm
Accuracy
± 20 ppm (< 400 ppm), otherwise 5% of reading