1 / 2CEMS Stations: Continuous Multi-Gas Monitoring System for Industrial Plants
Benefits of implementation: Risk reduction Compliance with environmental requirements reduces scrutiny from inspectors.
- Power supply
- 220 V
- Output signals
- 4–20 mA, RS485, TCP/IP
- Model
- SG1220
- Methane
- CH₄ · 0–300 mg/m³
- Nitrogen oxides
- NO, NO₂ · 0–300 mg/m³
- Carbon oxides
- CO, CO₂ · 0–300 mg/m³
Overview
About the equipment
Benefits of implementation: Risk reduction Compliance with environmental requirements reduces scrutiny from inspectors. Environmental efficiency Makes it possible to assess how advisable it is to introduce modern technologies aimed at improving environmental safety in production. Improves the environmental situation at the plant site and in nearby settlements. Easier permitting Significantly simplifies the process of obtaining integrated environmental permits. Better quality of life for employees An environmentally safe work process creates a comfortable and healthy working environment for employees.
CEMS Stations: Continuous Multi-Gas Monitoring System for Industrial Plants
Specifications
Measured Components and Measurement Ranges

- Component
- Symbol · Measurement range, mg/m³
- Methane
- CH₄ · 0–300 mg/m³
- Nitrogen oxides
- NO, NO₂ · 0–300 mg/m³
- Carbon oxides
- CO, CO₂ · 0–300 mg/m³
- Sulfur dioxide
- SO₂ · 0–100 mg/m³
Gaseous Pollutant Monitoring Subsystem
- Item
- Model and description
- Gas analyzer
- SG1220
- Sampling probe
- PSG355
- Sample conditioning system
- CEMS1220
- Electrically heated sampling line
- Dual-core
Data Acquisition and Processing Subsystem
- Item
- Description
- Data acquisition and processing system
- Hardware and software complex including a computer
- Switching cabinet
- JCB265
- CEMS monitoring software V2.0
- CEMS Monitor
VOC (Volatile Organic Compounds) Online Monitoring System
VOC Monitoring Subsystem
- Item
- Model · Note
- Online VOC analyzer
- VM1700-N · Methane (CH₄)
- Gas sample conditioning system
- — · Includes filtration, condensation and heating
- Electrically heated sampling line
- Stainless steel · Length 500 mm, +5…+300 °C
- Sampling probe
- PSG355 · Stack diameter 1500 mm
Data Acquisition Subsystem
- Item
- Description
- Data acquisition system (with computer)
- —
- VOC monitoring software
- CEMSmonitor V1.0
Pneumatic System
- Item
- Model · Note
- Hydrogen generator
- SPH-300AT · 0.7–3.0 bar
- Zero air generator
- ZA1700 · For calibration and purging
- Compressed air purification system
- — · 99.9% purification efficiency
Auxiliary Materials
- Item
- Description
- Commissioning accessories kit
- —
Unit 8
- Measured components
- CH₄, CO, CO₂, NO, NO₂, SO₂
- Measurement range
- 0–300 mg/m³; SO₂ – 0–100 mg/m³
- Measurement method
- UV-DOAS differential spectroscopy
- Sample temperature
- +5…+300 °C
- Ambient temperature
- –20…+70 °C
- Sample pressure
- 0.7–3.0 bar
- Ingress protection
- IP50 / IP54
- Output signals
- 4–20 mA, RS485, TCP/IP
- Power supply
- 220 V, 50 Hz
- Stack diameter
- 1500 mm
- Emission source height
- 35 m
- Probe material
- Stainless steel
- Access control
- Protection against unauthorized opening
- Alarm signaling
- Dry contacts, configurable
Additional Equipment
- Item
- Description
- UPS 3000 VA
- 60–120 minutes of backup autonomy
- Cabinet air conditioning system
- Protection at temperatures of +45 °C and above
- IP66 cabinet
- Outdoor type, with thermal insulation
- GSM/4G module
- For data transmission to the Ministry of Ecology portal
SG1220 Gas Analyzer — Technical Specifications
- Component
- Symbol · Range, mg/m³
- CO
- CO · 0–1000
- NO
- NO · 0–200
- NO₂
- NO₂ · 0–500
Unit 11
- Model
- SG1220
- Basic error
- ±0.05% of full scale
- Output signal
- 4–20 mA, RS485, TCP/IP (optional)
- Ingress protection
- IP50 / IP54
- Optical tube length
- 500 mm
- Ambient temperature
- –25…+70 °C
- Sample temperature
- +5…+300 °C
- Sample pressure
- 0.7–3.0 bar
- Stack diameter
- 1500 mm
- Analysis method
- DOAS
- Response time
- ≤200 s
- Linearity error
- ≤±5% FS
- Zero drift (24 h)
- ≤±2.5% FS
- Span drift (24 h)
- ≤±2.5% FS
- Power supply
- 220 V, 50 Hz
- Alarm signaling
- Dry contact
Operating Principle
The SG1220 is based on UV-DOAS differential optical absorption spectroscopy, which provides high accuracy in detecting low concentrations.FAT and SAT Tests
- FAT — factory acceptance test
- SAT — site acceptance test
- Conducted with the participation of AFEXGROUP engineers
- Results are documented
Certificates
- ISO 9001
- IEC 61207-7
- ATEX / Ex-proof
- Compliance with the environmental requirements of Uzbekistan
Automated Environmental Monitoring and Reporting System
The system provides continuous monitoring, archiving, analysis and online data transmission. Functions:- Archive of up to 5 years
- Online software and web interface
- Minute, 20-minute, hourly, daily, monthly and annual reports
- Separate visualization for each stack
- Integration with SCADA
- Expandable to up to 6 monitoring points
Equipment Configuration
- Industrial computer
- Monitor, keyboard, mouse
- Operator furniture set
- UPS
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Specifications
Data provided by the manufacturer; configuration may vary per order.
Measured Components and Measurement Ranges
5 parameters- Component
- Symbol · Measurement range, mg/m³
- Methane
- CH₄ · 0–300 mg/m³
- Nitrogen oxides
- NO, NO₂ · 0–300 mg/m³
- Carbon oxides
- CO, CO₂ · 0–300 mg/m³
- Sulfur dioxide
- SO₂ · 0–100 mg/m³
Gaseous Pollutant Monitoring Subsystem
5 parameters- Item
- Model and description
- Gas analyzer
- SG1220
- Sampling probe
- PSG355
- Sample conditioning system
- CEMS1220
- Electrically heated sampling line
- Dual-core
Data Acquisition and Processing Subsystem
4 parameters- Item
- Description
- Data acquisition and processing system
- Hardware and software complex including a computer
- Switching cabinet
- JCB265
- CEMS monitoring software V2.0
- CEMS Monitor
VOC Monitoring Subsystem
5 parameters- Item
- Model · Note
- Online VOC analyzer
- VM1700-N · Methane (CH₄)
- Gas sample conditioning system
- — · Includes filtration, condensation and heating
- Electrically heated sampling line
- Stainless steel · Length 500 mm, +5…+300 °C
- Sampling probe
- PSG355 · Stack diameter 1500 mm
Data Acquisition Subsystem
3 parameters- Item
- Description
- Data acquisition system (with computer)
- —
- VOC monitoring software
- CEMSmonitor V1.0
Pneumatic System
4 parameters- Item
- Model · Note
- Hydrogen generator
- SPH-300AT · 0.7–3.0 bar
- Zero air generator
- ZA1700 · For calibration and purging
- Compressed air purification system
- — · 99.9% purification efficiency
Auxiliary Materials
2 parameters- Item
- Description
- Commissioning accessories kit
- —
Unit 8
14 parameters- Measured components
- CH₄, CO, CO₂, NO, NO₂, SO₂
- Measurement range
- 0–300 mg/m³; SO₂ – 0–100 mg/m³
- Measurement method
- UV-DOAS differential spectroscopy
- Sample temperature
- +5…+300 °C
- Ambient temperature
- –20…+70 °C
- Sample pressure
- 0.7–3.0 bar
- Ingress protection
- IP50 / IP54
- Output signals
- 4–20 mA, RS485, TCP/IP
- Power supply
- 220 V, 50 Hz
- Stack diameter
- 1500 mm
- Emission source height
- 35 m
- Probe material
- Stainless steel
- Access control
- Protection against unauthorized opening
- Alarm signaling
- Dry contacts, configurable
Additional Equipment
5 parameters- Item
- Description
- UPS 3000 VA
- 60–120 minutes of backup autonomy
- Cabinet air conditioning system
- Protection at temperatures of +45 °C and above
- IP66 cabinet
- Outdoor type, with thermal insulation
- GSM/4G module
- For data transmission to the Ministry of Ecology portal
SG1220 Gas Analyzer — Technical Specifications
4 parameters- Component
- Symbol · Range, mg/m³
- CO
- CO · 0–1000
- NO
- NO · 0–200
- NO₂
- NO₂ · 0–500
Unit 11
16 parameters- Model
- SG1220
- Basic error
- ±0.05% of full scale
- Output signal
- 4–20 mA, RS485, TCP/IP (optional)
- Ingress protection
- IP50 / IP54
- Optical tube length
- 500 mm
- Ambient temperature
- –25…+70 °C
- Sample temperature
- +5…+300 °C
- Sample pressure
- 0.7–3.0 bar
- Stack diameter
- 1500 mm
- Analysis method
- DOAS
- Response time
- ≤200 s
- Linearity error
- ≤±5% FS
- Zero drift (24 h)
- ≤±2.5% FS
- Span drift (24 h)
- ≤±2.5% FS
- Power supply
- 220 V, 50 Hz
- Alarm signaling
- Dry contact
Included units
Units and accessories included with the equipment. Specifications for each are in the section above.
01Measured Components and Measurement Ranges
5 parameters
- Methane: CH₄ · 0–300 mg/m³
- Nitrogen oxides: NO, NO₂ · 0–300 mg/m³
- 02
Gaseous Pollutant Monitoring Subsystem
5 parameters
- Gas analyzer: SG1220
- Sampling probe: PSG355
- 03
- 04
VOC Monitoring Subsystem
5 parameters
- Online VOC analyzer: VM1700-N · Methane (CH₄)
- Electrically heated sampling line: Stainless steel · Length 500 mm
- 05
- 06
- 07
- 08
- 09
SG1220 Gas Analyzer — Technical Specifications
4 parameters
- CO: CO · 0–1000
- NO: NO · 0–200
Spare Parts Kit
7 items
- 1Filters
- 2Thermocouples
- 3Pressure sensors
- 4Valves, solenoids
- 5Temperature controllers
- 6Vacuum pumps
- 7Filter elements
Delivery and commissioning
From consultation to launch — four steps under contract.

Consultation
We define your needs, configure the line and prepare an offer.

Contract
Timeline, payment terms and warranty are fixed in the contract.

Delivery
The equipment is delivered from the manufacturer to your site.

Installation and training
Our specialists commission the equipment and train your operators.
Frequently asked questions
The most common questions about delivery, contracts and tracking.
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