Parameter |
Method |
Indication range |
Display resolution |
Accuracy |
Detection limit |
Resp. time (t90) |
Gases measured in standard configurationn |
O2 - oxygen, volumetric concentration |
electrochemical gas sensor |
0..25 % |
0.01 % |
0.20 % |
0.20 % |
45 s |
CO2 - carbon dioxide, volumetric concentration |
calculated from volumetric concentration of O2 |
0..25 % |
0.01% |
0.20 % |
0.20 % |
45 s |
CO - carbon monoxide, volumetric concentration |
electrochemical gas sensor |
0..20000 ppm |
1 ppm |
¡¾5 ppm or
5 % rel. |
5 ppm |
45 s |
COmg - carbon monoxide, mass concentration |
calculated from volumetric concentration of CO |
0... |
1 mg/Nm3 |
¡¾10 mg/Nm3 or 5 % rel. |
10 mg/Nm3 |
45 s |
COrel - carbon monoxide, mass concentration relative to O2 |
calculated from volumetric concentration of CO and O2 |
0... |
1 mg/Nm3 |
¡¾10 mg/Nm3 or 5 % rel. |
10 mg/Nm3 |
45 s |
Gases measured with optional IR sensors |
CO2 - carbon dioxide volumetric concentration |
NDIR sensor |
0..25 %
0...100 % |
0.01 % |
+/-3 % rel., or 0.5 % abs. |
0.20 % |
45 s |
CH4 - Methane, volumetric concentration |
NDIR sensor |
0...5 %
0...100 % |
0.01 %
0.1 % |
+/-3 % rel., or 0.5 % abs. |
0.20 %% |
45 s |
Gases measured with optional electrochemical sensors |
NO / NOx - volumetric concentration of nitrogen oxides. |
electrochemical gas sensor |
0..1000 ppm |
1 ppm |
¡¾5 ppm or 5 % rel. |
5 ppm |
45 s |
NOmg/NOxmg - mass concentration of nitrogen oxides |
calculated from volumetric concentration of NO |
0... |
1 mg/Nm3 |
¡¾15 mg/Nm3 or 5 % rel. |
15 mg/Nm3 |
45 s |
NOrel / NOxrel - mass concentration of nitrogen oxides relative to O2 |
calculated from volumetric concentration of NO and O2 |
0... |
1 mg/Nm3 |
¡¾15 mg/Nm3 or 5 % rel. |
15 mg/Nm3 |
45 s |
NO2 - volumetric concentration of nitrogen dioxide. |
electrochemical gas sensor |
0..1000 ppm |
1 ppm |
¡¾5 ppm or 5 % rel. |
5 ppm |
45 s |
NO2mg - mass concentration of nitrogen dioxide |
calculated from volumetric concentration of NO2 |
0... |
1 mg/Nm3 |
¡¾15 mg/Nm3 or 5 % rel. |
15 mg/Nm3 |
45 s |
NO2rel - mass concentration of nitrogen dioxide relative to O2 |
calculated from volumetric concentration of NO2 and O2 |
0... |
1 mg/Nm3 |
¡¾15 mg/Nm3 or 5 % rel. |
15 mg/Nm3 |
45 s |
SO2 - volumetric concentration of sulphur dioxide. |
electrochemical gas sensor |
0..5000 ppm |
1 ppm |
¡¾5 ppm or
5 % rel. |
5 ppm |
45 s |
SO2mg - mass concentration of sulfur dioxide. |
calculated from volumetric concentration of SO2 |
0... |
1 mg/Nm3 |
¡¾15 mg/Nm3 or 5 % rel. |
15mg/Nm3 |
45 s |
SO2rel - mass concentration of sulfur dioxide relative to O2 |
calculated from volumetric concentration of SO2 and O2 |
0... |
1 mg/Nm3 |
¡¾15 mg/Nm3 or 5 % rel. |
15 mg/Nm3 |
45 s |
Other measured values |
Tgas - flue gas temperature |
Thermocouple |
-10..1000¡ÆC |
1¡ÆC |
¡¾ 2 ¡ÆC or 1.5 % rel. |
1 ¡ÆC |
30 s |
Tamb - ambient temperature |
Thermistor |
-10..100¡ÆC |
1¡ÆC |
¡¾ 1 ¡ÆC |
1 ¡ÆC |
30 s |
U/I - external input |
ADC |
-20...+20 V
-20...+20 mA |
0.01 V
0.01 mA |
¡¾0.02 V
¡¾0.02 mA |
0.01 V
0.01 mA |
10 s |
T1 - external input |
Thermocouple |
0...1600¡ÆC |
1¡ÆC |
¡¾2 ¡ÆC or 1. 5 % rel. |
1 ¡ÆC |
10 s |
T2 - external input |
Thermistor |
-20...1000¡ÆC |
1¡ÆC |
¡¾2 ¡ÆC or 1. 5 % rel. |
1 ¡ÆC |
10 s |
Pressure |
DMS bridge |
-25 hPa ... +25 hPa |
0.1 Pa |
¡¾2 Pa or 5 % rel. |
1 Pa |
10 s |
Flow velocity (Option) |
Pitot tube |
1...50 m/s |
0.1 m/s |
0.3 m/s or 5 % rel. |
0.1 m/s |
10 s |
Soot/smoke test |
Bacharach method |
0..9 |
0.5 |
0.5 |
0.5 |
|
|
TI (CO/CO2-Toxic Index) |
calculated |
0...0.01 |
0.0001 |
5 % rel. |
0 |
10 s |
Lambda - excess air number |
calculated |
1..10 |
0.01 |
2 % rel. |
0 |
10 s |
qA - combustion losses |
calculated |
0..100 % |
0.1 % |
2 % rel. |
0 % |
10 s |
Eta - efficiency |
calculated |
0..120 % |
0.1 % |
2 % rel. |
0 % |
10 s |