Environmental Monitoring Station Sulfur Dioxide Detector

The sulfur dioxide detector in environmental monitoring stations employs electrochemical or optical principles. When an air sample passes through the sensor, sulfur dioxide reacts with the detection element, generating changes in electrical or optical signals. The instrument measures the signal intensity and converts it into concentration values. It is used in environmental monitoring stations to detect the sulfur dioxide content in the atmosphere in real-time and to supervise whether industrial emissions comply with standards.
Selection
When selecting a sulfur dioxide detector for an environmental monitoring station, it is essential to ensure that the measurement range covers the local emission limits. Electrochemical sensors are suitable for routine monitoring, while optical sensors offer stronger resistance to interference. Compare the sensor lifespan and calibration cycles, check whether the data storage and communication functions are compatible with the existing system, ensure the protection rating is suitable for the installation environment, and consider operational costs, including consumables and after-sales support.

Terms

Standards

Instruments

Designed with flameproof and explosion-proof structure, Response Time is less than 30 seconds, accuracy +/- 3% FS, can detect 0-20ppm sulfur dioxide concentration, support 4-20mA and RS485 signal output, suitable for harsh industrial environments.

$ 251.00

Using electrochemistry principle to detect 0-100ppm sulfur dioxide, with 4G/WIFI wireless communication, IP66 Protection Rating, four Alarm modes and 12-55 hours battery life, support remote paraMeter configuration and temperature compensation algorithm.

$ 588.00

Electrochemical sensor, detection accuracy +/- 2% F. S, Response Time less than 10 seconds, with intrinsically safe circuit design and explosion-proof certification, support a variety of signal output and remote monitoring functions.

$ 528.00

Support 4 kinds of gas simultaneous detection, integrated temperature Humidity monitoring, physical + software double revisit Humidity compensation, with zero automatic correction function, Response Time T90 ≤ national standard, detection accuracy ≤ +/- 3% FS.

$ 1050.00

Electrochemical sensor technology, detection accuracy +/- 2% F. S, Response Time less than 10 seconds. With Intrinsic Safety (IS) design and IP66 Protection Rating, it supports a variety of signal output interfaces, suitable for harsh industrial environments.

$ 708.00

Electrochemical sensor principle, detection range 0-10000ppm, Response Time less than 10 seconds, with explosion-proof certification and IP66 Protection Rating, support a variety of signal output and remote monitoring functions.

$ 708.00

Using MCU chip to achieve low power consumption operation, detection error ≤ +/- 3% F. S, Response Time ≤ 30 seconds, with explosion-proof structure and a variety of signal output interfaces, support remote monitoring and alarm functions.

$ 719.00

Electrochemical sensor technology, detection accuracy +/- 2% F. S, Response Time less than 10 seconds, with explosion-proof certification and IP66 Protection Rating, support a variety of signal output and remote monitoring functions.

$ 614.00

8Mm thick PVC reinforced rigid plastic plate box, sulfur dioxide concentration adjustment range of 600~ 10000ppm, equipped with corrosion-resistant silicone airway and alkali solution exhaust gas treatment system, temperature control accuracy +/- 0.5 ℃.

$ 15823.00

Support simultaneous detection of 4 kinds of gases, integrated temperature Humidity detection function, physical + software double revisit Humidity compensation, Response Time T90 ≤ national standard, detection accuracy ≤ +/- 3% FS, with a variety of alarm and remote monitoring capabilities.

$ 658.00

Using MCU chip to achieve low power consumption operation, detection error ≤ +/- 3% F. S, Response Time ≤ 30 seconds. With flameproof structure, it supports 4-20mA, RS485 and switch output, and can be linked to fan and other control equipment.

$ 267.00

Electrochemical sensor to achieve 0-150ppm range detection, Response Time less than 10 seconds, with Intrinsic Safety (IS) design and automatic Zero tracking function, support multi-level calibrating and temperature compensation, compatible with various Control systems.

$ 528.00

Imported Electrochemical sensor, Response Time less than 10 seconds, accuracy +/- 2% F. S, with intrinsically safe circuit design and automatic Zero tracking function, support a variety of signal output and remote monitoring.

$ 787.00

Supports simultaneous detection of 4 gases and integrated temperature and humidity detection, adopts dual temperature and humidity compensation design, has Internet of Things remote monitoring function, Response Time T90 ≤ national standard, Protection Rating IP66.

$ 749.00

With IoT remote configuration and program upgrade function, support a variety of communication output methods, Protection Rating up to IP66, Response Time T90 ≤ national standard, suitable for -40~ 55 ℃ working environment.

$ 599.00

Articles

Karl Fischer Moisture Analyzer for Determining Moisture Content in Coatings
This article introduces a method for determining the moisture content in coatings using a Karl Fischer moisture titrator. It is based on the quantitative reaction of reagents such as iodine and sulfur dioxide with water, and calculates the moisture content by measuring the amount of reagent consumed during titration.
Karl Fischer Moisture Analyzer Determines Moisture Content in Powder Coatings
This article introduces the method of determining the moisture content in powder coatings using a Karl Fischer moisture analyzer. Excessive moisture content in powder coatings can affect the quality of the coating, leading to issues such as bubbles. The Karl Fischer method measures moisture through the quantitative reaction of iodine and sulfur dioxide, which is divided into volumetric and coulometric methods.
Karl Fischer moisture analyzer detects moisture content in hot melt adhesives.
This article introduces the method of using a Karl Fischer moisture analyzer to detect the moisture content in hot melt adhesives. The Karl Fischer method is based on the quantitative reaction of iodine, sulfur dioxide, and water, and calculates the moisture content by measuring the amount of iodine consumed.
Karl Fischer Moisture Analyzer for Determining Water Content in Coatings
This article introduces the method for determining the water content in coatings using the Karl Fischer moisture analyzer. The principle is based on the quantitative reaction of iodine and sulfur dioxide in the reagent with water. The coulometric method is commonly used to generate iodine through electrolysis and calculate the moisture content by measuring the electrical charge.
Spectrophotometric Determination of Sulfur Content by Ultraviolet Fluorescence Method
The determination of sulfur content by ultraviolet fluorescence spectrophotometry involves burning the sample to convert sulfur into sulfur dioxide, which is then excited by ultraviolet light to produce fluorescence for detection.
Karl Fischer Moisture Titrator for Determining Solvent Moisture
The Karl Fischer moisture meter determines solvent moisture based on the quantitative reaction of iodine and sulfur dioxide with water in an alkaline environment.