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SWG 300 – Continuous Emission Monitor

Complete CEM system for emissions monitoring
  • dual heat exchanger M&C Peltier gas cooler with double automatic condensate draining pumps
  • Efficient sample gas filtration using PTFE sintered particulate filter
  • Condensate monitoring and alarm on display and gas sampling stop in case of alarm
  • Filtration of acid gases to protect the internal sample gas flow sensor

Description

Features:

  • Complete CEM system for emissions monitoring
  • The multi-component gas analyzer SWG 300-1 is based on extractive, cold-dry method
  • The SWG 300 can measure up to 8 gas components, using MRU optimized NDIR technology, with improved accuracy and without zero offset.
  • Oxygen analysis using, paramagnetic cell or “long-life” electro-chemical cell.

Available as:

  • SWG 300 INDOOR
  • SWG 300 OUTDOOR
  • SWG 300 EX-ZONE 2

Benefits:

  • High End Stationary Continuous Emission Monitoring system.
  • Improved accuracy and without zero offset.

Applications:

Coal power stations, Municipal and other waste incinerators, Cement outlet stacks, Glass melting industry, Solid fuels and heavy oil combustion sites, Bagasse and biomass steam boilers, and others.

 

Additional information

Auto Cal

2/3/4x auto.cal.

Enclosure Dimensions (H x W x D)

1012x600x575 / 1250x1000x800

Enclosure Material

Steel / Glass Fiber

Gas Cooler

Double Heat Exchanger M&C

Number of Heated Ports

4 (1 for "Ex-pz" model)

Number of Unheated Ports

n.a.

  • Use of optimized NDIR technology with improved accuracy and without zero offset
  • O₂ measurement with a long-life electrochemical or a paramagnetic sensor
  • True NOx and SO₂ measurements through use of heated gas sampling probe and gas sampling line
  • Heated and temperature regulated acid mist catch & drain system for raw flue gas measurements with high acid aerosols
  • Complete heavy duty sample conditioning system for extractive cold and dry system
  • Ready to log, display and transfer data from dust monitoring unit DM 401 and flow rate measuring unit DF 252.
Gas measurement (NDIR)Measuring range min./max.ResolutionRepeatability *8h-Drift *Linearity
NONitric oxide0 … 200 / 4,000 ppm0.1 ppm2 ppm or 1 % reading2 ppm or 1 % reading1 % range
NO2Nitric dioxide0 … 150 / 1,000 ppm0.1 ppm1 ppm or 1 % reading2 ppm or 1 % reading1 % range
SO2Sulphur dioxide0 … 150 / 4,000 ppm0.1 ppm2 ppm or 1 % reading2 ppm or 1 % reading1 % range
CO2Carbon dioxide0 … 40%0.01%0.2 % or 1 % reading0.2 % or 1 % reading1 % range
COCarbon monoxide0 … 175 / 10,000 ppm0.1 ppm2 ppm or 1 % reading2 ppm or 1 % reading1 % range
N2ONitrous dioxide0 … 100 / 500 ppm0.1 ppm2 ppm or 1 % reading2 ppm or 1 % reading1 % range
CH4Methane0 … 500 / 10,000 ppm0.1 ppm10 ppm or 1 % reading2 ppm or 1 % reading1 % range
C3H8Propane0 … 200 / 5,000 ppm0.1 ppm2 ppm or 1 % reading2 ppm or 1 % reading1 % range

 

Gas measurement (EC/PM)MethodeMeasuring range min./max.ResolutionAccuracy
O2Oxygen (Long Life)EC0 … 25 %0.01%+/- 0.20% absolute
O2OxygenPM0 … 25 %0.01%+/- 0.1%
H2SHydrogen sulfideEC0 … 2,000/5,000 ppm1 ppm+/- 5 ppm or 5 % of reading
H2HydrogenEC0 … 1,000/2,000 ppm1 ppm+/- 5 ppm or 5 % of reading

 

General technical data 
Zero offsetnegligible due to automatic zeroing
Span offsetless than 0.2 % of the measuring range per month
Calculated componentsNOx: NO + NO₂, calculated ppm or mg/m3, user-selectable O₂ reference
Operation/interfacesBacklit 3.5″ TFT color display

keyboard, password-protected operation

8 analog outputs 4 … 20 mA, galvanically isolated, max. load: 500 R

4 alarm relays, potential-free contacts: 24 Vdc, 5 A

Data storage and data logger on SD card

RS 485 digital interface (Modbus RTU)

DIN rail RS 485, to ProfiBus converter or to Ethernet converter

Gas conditioningHD gas sampling probe, heated ceramic filter with backpurge,

or gas sampling probe HD-GW, heated glass wool filter

10 % H₃PO₄ dosage at low NOx and low SO₂

Heated acid separator with acid condensate pump

Heated gas sampling line, PTFE DN 4/6 mm, up to 50 m length

Thermoelectrical gas cooler, with dual heat exchanger and constant +4 °C dewpoint

Teflon-particle filter, internal Viton-tubing

Monitored and regulated gas sampling pump

Constant gas flow of 50 l/h

Gas inlet pressure: –200 … +50 mbar (hPa)

Sample gas outlet: atmospheric pressure

Operating conditions+5 … +45 °C or –10 … +45 °C with cabinet heating
Power supplyUniversal: 90 … 240 Vac, 47 … 63 Hz, 200 W (700 W with heating)
Protection class
   SWG 300 INDOORIP54 steel cabinet
   SWG 300 OUTDOORIP65 glass fiber re-enforced polyester cabinet
   SWG 300 EX ZONE 2IP65 glass fiber cabinet
Dimensions (W x H x D)
   SWG 300 INDOOR23.61” x 39.83” x 22.63” (600 x 1.012 x 575mm)
   SWG 300 OUTDOOR39.35” x 49.19” x 31.48” (1.000 x 1.250 x 800mm)
   SWG 300 EX ZONE 249.19” x 39.35” 31.48” (1250x1000x800 mm)

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