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MRU - Model SWG 200 CEM -Stationary Gas Analysis System
Stationary gas analysis system for continuous process gas and emission monitoring. With SWG 200 CEM (Continuous Emission Monitoring) we offer you a cost-effective,
reliable system for emission and combustion monitoring.
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Outstanding benefits:
- Use of optimized NDIR technology with improved accuracy without zero point drifts
- O2 measurement with an electrochemical or a paramagnetic sensor
- Automatic zero point in clean ambient air through separate calibration gas inlet
- Automatic calibration for up to four gas cylinders
- Double stage Peltier gas cooler with two automatic condensate pumps
- Cold/dry gas extraction at a low flow volume of 1 l/min
- Stainless steel cabinet with monitored fan ventilation
- Included dual heat exchanger Peltier gas cooler with two automatic condensate draining pumps
- Efficient sample gas filtration using PTFE sintered particulate filter
- Regulated sample gas pump with sample gas flow monitoring and alarm
- Filtration of acid gases to protect the internal sample gas flow sensor
- Solenoid valve for auto-zero with clean ambient air
- Solenoid valve for calibration gas, with aluminium fine pressure regulator at cal. gas inlet port
- Human machine interface with colour TFT display, keyboard and standard RS485 interface (Modbus RTU)
- All password protected, intuitive software guided menu, with diagnosis software and logbook
- Power supply analyser only 230Vac / 47-63Hz / 120W (110Vac power supply on request)
- Total length of all heated sampling lines more than 60m, requires 3-phase power supply (L1 ; L2 ; L3 ; N ; PE)
- Clean indoor mounting place, preferably air conditioned
- Outdoor mounting place in clean, +5°C to 45°C ambient, with mandatory sun & rain protection (user scope)
Measuring range
- O2: (electrochemical) 0 ... 25 %
- O2: (paramagnetic) 0 ... 25 %
- NO: (NDIR) 0 ... 200/4.000 ppm
- NO2: (NDIR) 0 ... 150/1.000 ppm
- SO2: (NDIR) 0 ... 150/4.000 ppm
- CO2: (NDIR) 0 ... 50 %
- CO: (NDIR) 0 ... 200/10.000 ppm
- N2O: (NDIR) 0 ... 100/500 ppm
- CH4: (NDIR) 0 ... 500/10.000 ppm
- C3H8: (NDIR) 0 ... 200/5.000 ppm
Dimensions and other data
- Zero point deviation : negligible due to automatic zeroing
- Deviation : less than 0.2% of the measuring range per month
- Calculated components : NOx: NO + NO2, calculated ppm or mg / m3, user-selectable O2 reference
- combustion calculations (efficiency, heat loss) on special request
- Display : Illuminated 3.5 "TFT color display
- Interfaces : Illuminated keyboard, password-protected operation
- 4 analog outputs 4 ... 20 mA, galvanically isolated, max. load: 500 R
- 2 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 sampling probe : HD gas sampling probe, heated ceramic filter with backpurge,
- or gas sampling probe HD-GW, heated glass wool filter,
- or LD gas sampling probe, unheated with in-situ sintered metal filter,
- heated or unheated gas sampling line, PTFE DN 4/6 mm
- Gas conditioning : Thermoelectric gas cooler (Peltier) with constant +4 ° C dew point
- Teflon particle filter, internal Viton tubing
- Monitored and regulated gas sampling pump
- Constant gas flow of 50 l/h
- Gas inlet pressure: -200 ... +20 mbar (hPa)
- Sample gas outlet: atmospheric pressure
- Housing : Stainless steel housing, continuously monitored housing ventilation with alarm, antifreeze heater 200 W (option)
- Operating temperature : (+5 ... +45 °C) or (-10 ... +45 °C) with housing heating
- Power supply : Universal: 90 ... 240 Vac, 47 ... 63 Hz, 120 W (420 W with heating)
- Protection : IP 54
- Dimensions : (W x H x D) 600 x 700 x 210 mm, suitable for wall mounting
- Weight : approx. 50 kg