CITY TECH 3E 100 SE Ammonia Gas Sensor

Comprehensive Overview and Specifications of the CITY TECH 3E 100 SE Ammonia Gas Sensor

The CITY TECH 3E 100 SE ammonia gas sensor is engineered to perform reliably in various environments and challenging conditions. Despite its robust design, it is crucial to avoid exposing the sensor to high concentrations of solvent vapors during storage, installation, or operation. When using this gas sensor module with printed circuit boards, do not apply degreasing agents directly on or near the modules, as solvents can damage the plastic and sensor.

Technical Specifications of the CITY TECH 3E 100 SE Ammonia Gas Sensor

• Target Gas: Ammonia (NH3)
• Operating Principle: 3-electrode electrochemical
• Measurement Range: 3-100 ppm NH3
• Filter: None
• Output: 4-20 mA, 2-wire loop powered; 40-200 mV
• Response Time:
  • T50 < 20 Seconds
  • T90 < 60 Seconds
• Operating Temperature Range: -20°C to +40°C
• Recommended Storage Temperature: 4°C to 10°C
• Operating Humidity Range: 15% to 90% RH non-condensing

Key Features and Benefits

• High Accuracy: The sensor offers high accuracy of ±2 ppm across its measurement range, ensuring precise detection of ammonia levels.
• Fast Response Time: With a response time of less than 20 seconds, the sensor is ideal for real-time monitoring applications.
• Long Life Expectancy: The sensor is designed to last up to 2 years, providing long-term reliability.
• Low Power Consumption: Its low power requirements make it suitable for battery-powered applications.

Applications of the CITY TECH 3E 100 SE Ammonia Gas Sensor

• Industrial Safety: This sensor is widely used for detecting ammonia leaks in industrial environments, such as refrigeration plants, food processing facilities, and chemical plants.
• Environmental Monitoring: It helps monitor ammonia emissions from sources like power plants, landfills, and other pollution sources.
• Indoor Air Quality: The sensor is also useful for tracking ammonia levels in indoor settings like homes, offices, and schools.

Considerations for Using the CITY TECH 3E 100 SE Ammonia Gas Sensor

• Background Concentrations: High background concentrations of ammonia can shorten the sensor’s life.
• Cross-Sensitivity: The sensor may show cross-sensitivity to gases such as hydrogen sulfide (H2S), sulfur dioxide (SO2), and nitrogen dioxide (NO2).
• Calibration: Regular calibration is essential to maintain accurate readings over time.

Conclusion

Overall, the CITY TECH 3E 100 SE ammonia gas sensor is a dependable and versatile solution for various applications. Its high accuracy, fast response time, and long life make it a valuable tool for monitoring ammonia levels in diverse environments.

FAQ

What is the measurement range of the CITY TECH 3E 100 SE ammonia gas sensor?

The sensor measures ammonia concentrations in the range of 3-100 ppm NH3.

How fast does the CITY TECH 3E 100 SE sensor respond to ammonia gas?

The sensor has a response time of less than 20 seconds for T50 and less than 60 seconds for T90.

What are the operating temperature and humidity ranges for the CITY TECH 3E 100 SE?

It operates within a temperature range of -20°C to +40°C and a humidity range of 15% to 90% RH non-condensing.

What precautions should be taken when using the CITY TECH 3E 100 SE sensor?

Avoid exposing the sensor to high concentrations of solvent vapors and do not apply degreasing agents directly on or near the modules.

What are the main applications of the CITY TECH 3E 100 SE ammonia gas sensor?

The sensor is used in industrial safety, environmental monitoring, and indoor air quality applications.

How long is the expected lifespan of the CITY TECH 3E 100 SE sensor?

The sensor is designed to last up to 2 years, providing reliable performance over its lifetime.