S4-SO2

High precision and long lifespan.

Fast response speed and quick return to zero.

Low power consumption and high sensitivity.

Wide linear range and strong anti-interference ability.

Excellent repeatability and stability.

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Product Overview Application Field Product Characteristics Specification Recommended Products Message

Product Overview

The S4-SO2 sulfur dioxide gas detection sensor is a fixed potential electrolytic type sensor. Sulfur dioxide and oxygen undergo corresponding oxidation-reduction reactions on the working electrode and the counter electrode, respectively, and release charges to form a current. The magnitude of the current produced is proportional to the sulfur dioxide concentration. The level of sulfur dioxide concentration can be determined by measuring the current size through testing.

Application Field

  • SO2 detector
  • Industrial site SO2 gas detection
  • Livestock sulfide detection
  • Smart city SO2 detection
  • Atmospheric environment SO2 detection

Product Characteristics

  • High precision and long lifespan.
  • Fast response speed and quick return to zero.
  • Low power consumption and high sensitivity.
  • Wide linear range and strong anti-interference ability.
  • Excellent repeatability and stability.

Specification

Technical parameters

Detection principle Electrochemical Three electrodes
Detection gas SO2
Detection range 0-20PPM
Maximum load concentration 150PPM
output signal 500±100nA/PPM
Zero drift 0~1PPM
Resolution 0.1PPM
Response time <45s
Bias voltage 0
Load resistance 5~30Ω
Working Temperature -30℃-50℃
Working Humidity 15%RH to 90%RH（no condensation）
Repeatability ＜±2%output signal
  Long-term stability ＜2% signal/month
Linearity Linearity 150PPM
Work pressure 90 to 110 kPa
Shelf life 12 months after delivery
Service life 2 years

Sensor size chart

Message

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