Thermo Scientific™

Continuous Emissions Monitoring System for Total Reduced Sulfur

Catalog number: CEMSTRS
Thermo Scientific™

Continuous Emissions Monitoring System for Total Reduced Sulfur

Catalog number: CEMSTRS

Measure total reduced sulfur (TRS) using field-proven, pulsed fluorescence technology with Thermo Scientific™ Continuous Emissions Monitoring Systems (CEMS). 
Designed to meet the needs of the pulp and paper industry in complying with the regulatory requirements of 40 CFR part 60 as set forth by the U.S. EPA.

 
Catalog Number
CEMSTRS
Unit Size
Each
Description
Continuous Emissions Monitoring System for Total Reduced Sulfur
Price (USD)
Full specifications
Height (English)3.5 in.
Product TypeContinuous Emissions Monitoring System for Total Reduced Sulfur
Temperature (English) Max. Operating662°F
Temperature (Metric) Max. Operating350°C
Width (English)17 in.
Width (Metric)43.2 cm
Air Supply Requirements5 liters/minute, 30-45psi, oil free, SO2-free, -20°F dewpoint
Alarm OutputElectromechanical, Form A, 0.5A @ 120/240VAC
Allowable Sample Flow Rate400-800cc/minute
DescriptionContinuous Emissions Monitoring System for Total Reduced Sulfur
Extended Range0-0.05, 1, 2, 5, 10, 20, 50 and 100ppm
Heated Filter Type0.1-micron glass fiber element, temperature controlled at 300°F
Heater TypeCeramic Fiber, 220 Watt
Height (English) Assembly20 in.
Height (Metric) Assembly50.8cm
Inputs16 digital inputs (standard) 8 0-10 VDC analog inputs (optional)
Linearity1% full scale
Lower Detectable Limit0.5 ppb (300 second average)
Oxidation Media TypeQuartz
Precision1% of reading or 1 ppb
Response Time320 sec. (300 sec. average)
Sample Flow Rate0.5 L/min.
Sensing Element TypeType K Thermocouple
Span Drift±0.5%
Temperature (English) Operating59° to 95°F
Temperature (Metric) Operating15° to 35°C
Temperature Controller TypeMicroprocessor Based, Programmable PID with Auto-Tuning
Temperature Range (English) Ambient−4° to 122°F
Temperature Range (Metric) Ambient−20° to 50°C
Temperature Stability±0.2°F per °F rise in ambient
Width (English) Assembly5 in.
Width (Metric) Assembly12.7 cm
Zero DriftLess than 1ppb
Zero Noise0.25 ppb RMS (300 second average)
Depth (English)6 in.
Depth (Metric)15.2cm
Item DescriptionContinuous Emissions Monitoring System for Total Reduced Sulfur
Measurement Ranges0-0.05 to 100ppm
Output TypesSelectable voltage, RS232/RS485, TCP/IP, 10 status relays, and power fail Indication (standard) 0-20 or 4-20 mA isolated current output (optional)
Certifications/ComplianceDesigned to meet U.S. EPA 40CFR Part 60
Unit SizeEach
Showing 1 of 1
Catalog NumberSpecificationsUnit SizeDescriptionPrice (USD)
CEMSTRSFull specifications
EachContinuous Emissions Monitoring System for Total Reduced SulfurRequest A Quote
Height (English)3.5 in.
Product TypeContinuous Emissions Monitoring System for Total Reduced Sulfur
Temperature (English) Max. Operating662°F
Temperature (Metric) Max. Operating350°C
Width (English)17 in.
Width (Metric)43.2 cm
Air Supply Requirements5 liters/minute, 30-45psi, oil free, SO2-free, -20°F dewpoint
Alarm OutputElectromechanical, Form A, 0.5A @ 120/240VAC
Allowable Sample Flow Rate400-800cc/minute
DescriptionContinuous Emissions Monitoring System for Total Reduced Sulfur
Extended Range0-0.05, 1, 2, 5, 10, 20, 50 and 100ppm
Heated Filter Type0.1-micron glass fiber element, temperature controlled at 300°F
Heater TypeCeramic Fiber, 220 Watt
Height (English) Assembly20 in.
Height (Metric) Assembly50.8cm
Inputs16 digital inputs (standard) 8 0-10 VDC analog inputs (optional)
Linearity1% full scale
Lower Detectable Limit0.5 ppb (300 second average)
Oxidation Media TypeQuartz
Precision1% of reading or 1 ppb
Response Time320 sec. (300 sec. average)
Sample Flow Rate0.5 L/min.
Sensing Element TypeType K Thermocouple
Span Drift±0.5%
Temperature (English) Operating59° to 95°F
Temperature (Metric) Operating15° to 35°C
Temperature Controller TypeMicroprocessor Based, Programmable PID with Auto-Tuning
Temperature Range (English) Ambient−4° to 122°F
Temperature Range (Metric) Ambient−20° to 50°C
Temperature Stability±0.2°F per °F rise in ambient
Width (English) Assembly5 in.
Width (Metric) Assembly12.7 cm
Zero DriftLess than 1ppb
Zero Noise0.25 ppb RMS (300 second average)
Depth (English)6 in.
Depth (Metric)15.2cm
Item DescriptionContinuous Emissions Monitoring System for Total Reduced Sulfur
Measurement Ranges0-0.05 to 100ppm
Output TypesSelectable voltage, RS232/RS485, TCP/IP, 10 status relays, and power fail Indication (standard) 0-20 or 4-20 mA isolated current output (optional)
Certifications/ComplianceDesigned to meet U.S. EPA 40CFR Part 60
Unit SizeEach
Showing 1 of 1

In order to measure TRS in accordance with the federal regulations, the sample must be measured on a dry basis and be corrected to a fixed Oxygen (O2) content. This is accomplished by extracting the sample from the process using the Thermo Scientific PRO902C Low-Flow Dilution Probe.

First, the sample is passed through a water removal device to provide a dry sample. The oxygen content is measured and the sample is diluted to an appropriate level, depending on the site conditions.

The diluted sample is sent through a sample line to the instrument cabinet and passes through a selective scrubber where Sulfur Dioxide (SO2) is removed and TRS is allowed to pass. Next, the sample is routed to a thermal oxidizer where the TRS compounds react with O2 under high temperature, and is then sent on to the 43iQ SO2 analyzer..

Key Features:

  • Designed to meet U.S. EPA 40 CFR Part 60 requirements
  • Dry-basis measurement
  • Reliable pulsed-fluorescence technology
  • Corrective oxygen measurement

Recommended for:

Pulp and Paper Mills

Figures

Frequently asked questions (FAQs)

Citations & References