SWG 300 IND
Continuous Emission Monitoring System (Indoor)
NO NO2 SO2 CO2 CO N2O CH4 C3H8 O2 H2S H2
- Low sample flow extraction of only 50 l/h, to enhance the operation of sample gas preparation
- 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 concentra- tion monitor DM 401 and flow rate monitor DF 252.
- IP54 steel cabinet 630 x 1.012 x 612 mm (W x H x D), with grey powder coating laquer, for wall mounting
- With lockable acrylic front door and fan ventilation through the cabinet for use in clean ambient air
- M&C Peltier gas cooler with dual heat exchanger 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
- Prepared for 10 % H3PO4 dosage in case of auto-cal or low SO₂/NO₂ measurements
- Strong 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 aluminum fine pressure regulator at cal. gas inlet port
- Main control unit 19" – 4U with human machine interface, prepared for measurement modules
- Human machine interface with color TFT display, keyboard and standard RS485 interface (Modbus RTU)
- Intuitive software guided menu, with diagnosis software and real-time data transfer
- Power supply to analyser with 230 Vac / 47–63 Hz /200 W (add electric power for probe and heated sampling line)
- Clean indoor mounting place, preferably air conditioned, cabinet has fan ventilation
- Outdoor mounting in clean, +5 °C to 45 °C ambient, with mandatory sun & rain protection (user scope)
6-gas NDIR module (CH4)
CO – CO2 – NO – NO2 – SO2 – CH4
6-gas NDIR module (C3H8)
CO – CO2 – NO – NO2 – SO2 – C3H8
8-gas NDIR module
CO – CO2 – NO – NO2 – N2O – SO2 – CH4 – C3H8
O2 (long-life) measurement
0…25%
O2 measurement, paramagnetic
0…25 %
H2S-measurement
0…500, overload up to 2.000 ppm
H2 – measurement
0…1.000, overload up to 2.000 ppm
Gas sampling probe model HD-GW, for flue gas with soot, oily, acid mist
Gas sampling probe model HD, for flue gas with flying ash dust
I/O Module with 4chanel 4-20mA analog output and 2 alarm relays (fail-safe NO contacts)
incl. remote sample point switching control via 4x contacts and 4 channel analog input 4-20mA
RS 485 interface
with modbus RTU protocol for wired far distance data transfer
Alarm-Relais
4 alarm relays, potential-free contacts: 24 Vdc, 5 A
Phosphoric acid 10%
10 % H₃PO₄ dosage at low NOx and low SO₂
Anti-freezing heater
Anti-freezing heater with thermostat 230Vac/500W, for ambient temperature from -10°C
Automatic calibration
Automatic calibration by using of gas cylinders, calibration gas inlets, 200…500mbar
Heated acid separator
Heated acid separator with acid condensate pump
Measuring range
| NO | (infrared) 0 … 200/4.000 ppm |
| NO2 | (infrared) 0 … 150/1.000 ppm |
| SO2 | (infrared) 0 … 150/4.000 ppm |
| CO2 | (infrared) 0 … 40 % |
| CO | (infrared) 0 … 175/10.000 ppm |
| N2O | (infrared) 0 … 100/500ppm |
| CH4 | (infrared) 0 … 500/10.000ppm |
| C3H8 | (infrared) 0 … 200/5.000ppm |
| O2 | (electrochemical or paramagnetic) 0 … 25 % |
| H2S | (electrochemical) 0 … 2.000/5.000ppm |
| H2 | (electrochemical) 0 … 1.000/2.000ppm |
Dimensions and other data
| Calculated components | NOx: NO + NO₂, calculated ppm or mg/m3, user-selectable O₂ reference |
| Zero point deviation | Negligible due to automatic zeroing |
| Data storage | Data storage and data logger on SD card |
| Gas conditioning | Thermoelectrical gas cooler, with dual heat exchanger and constant +4 °C dewpoint |
| Gas sampling probe | HD gas sampling probe, heated ceramic filter with backpurge, or gas sampling probe HD-GW, heated glass wool filter |
| Gas sampling tube | Gas sampling tube for insertion in the stack various lengths and materials |
| Gas sampling line | Heated gas sampling line for probe HD or HD – GW – length 3 m – Internal PTFE 4/6 mm hose – 230 Vac heater power supply and 100 W / meter power consumption |
| PC-interface | DIN rail RS 485, to ProfiBus converter or to Ethernet converter |
| Operating temperature | +5 … +45 °C or –10 … +45 °C with cabinet heating |
| Power supply | Universal: 90 … 240 Vac, 47 … 63 Hz, 200 W (700 W with heating) |
