Sulfur Dioxide Concentration Meter

The sulfur dioxide detector generates signals through the reaction of electrochemical or optical sensors with the gas, used to measure the concentration of sulfur dioxide in the environment or industrial processes. It is commonly employed in food processing, environmental monitoring, and chemical production to ensure that gas levels comply with established standards.
Selection
When selecting a sulfur dioxide detector, it is essential to consider the measurement range, accuracy, response time, and sensor lifespan. Based on the application scenario, determine whether a fixed or portable device is suitable. Check the explosion-proof rating and calibration method to ensure compliance with industry detection requirements.

Terms

Standards

Instruments

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

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

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

Adopt 8mm thickness PVC reinforced rigid plastic plate shell, sulfur dioxide concentration 10~ 30ppm adjustable, equipped with corrosion-resistant silicone airway and alkali solution exhaust gas treatment system, Temperature Uniformity ≤ +/- 2 ℃.

$ 15581.00

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

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

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 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 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

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

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

Pump suction sampling, Response Time T90 ≤ 20s, detection accuracy ≤ +/- 3%, built-in 4000mAh battery, can store 120000 sets of data, with Temperature Humidity detection function.

$ 469.00

Electrochemical sensor, sulfur dioxide detection range 0-20ppm, resolution 0.1ppm, with IP65 Protection Rating and 12864 point matrix display, support sound, light, vibration triple Alarm mode.

$ 235.00

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

With IoT remote configuration and program upgrade functions, it supports a variety of communication output methods; explosion-proof grade Exd II C T6, Protection Rating IP66, Response Time T90 ≤ national standard, ensuring stable operation in -40~ 55 ℃ environment.

$ 716.00

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.