Dust monitor especially for wet flues - emission temperature under dew point - and for the monitoring of blast furnace gas
|
Features |
|
Automatic zero correction |
|
lPre-calibrated, unaffected by particle size, colour or moisture |
|
Sample gas flow regulated at 1 - 3 m3/h |
|
Isokinetic sampling |
|
Optional dilution sample probe for high concentrations or after wet scrubbers |
|
Heavy metal analysis possible |
|
Special model with measuring chamber purging and CO-TLV monitoring during dust monitoring of blast furnace gas |
|
Applications |
|
Coal and oil-fired power stations |
|
Waste incineration plants (municipal waste, industrial waste and hazardous waste) |
|
Sewage sludge incineration plants |
|
Emission dust measurement after wet scrubbers or in very wet exhaust gases |
|
Heavy metal analysis |
|
Measurement of very low dust concentrations in emissions |
|
Emission dust measurement in inaccessible flues with small diameter |
|
Dust concentration measurements in process applications |
|
|
measurements |
dust concentration |
measuring ranges |
0–1 ... 0–1000 mg/Nm3 |
measuring principle |
beta ray absorption |
flue gastemperature |
0–250°C, optional up to 500°C |
flue gas pressure |
-100 up to +100 hPa |
duct diameter |
>0,5 m |
ambient temperature |
0 up to +50°C, cooler optional |
protection |
IP43 (with filter blower), |
measuring outputs |
2 x 0 / 4–20 mA / 450 Ohm |
digital outputs |
11 relay outputs, |
digital inputs |
2 potential free inputs |
accuracy |
<5% of measuring range |
detection limit |
<0.3 mg/Nm3 |
reference point drift |
<1% of measuring range/month |
zero point drift |
automatic zero point correction |
supply voltage |
115 / 230 VAC 50 / 60 Hz, 5 kVA |
dimensions (H x W x D) |
1600 x 800 x 800 mm |
weight |
300 kg |
purge air supply |
pressurized air 6–8 bar |
remarks |
option: dust monitoring of blast furnace gas |