Tensensor's MQ-E3-HCN hydrogen cyanide sensor is a potentiometric electrochemical sensor that converts gas concentration into a corresponding current signal through a redox reaction. The signal exhibits a linear relationship with the hydrogen cyanide concentration, enabling precise gas concentration detection. The product boasts excellent overall performance and is widely applicable in the petroleum, petrochemical, pharmaceutical, and environmental protection industries, making it an excellent choice for monitoring highly toxic gases.

MQ-E3-HCN Electrochemical Hydrogen Cyanide Sensor

    Core Advantages:

    Outstanding Overall Performance: Features low power consumption, high precision, high sensitivity, and a wide linear range, while also possessing excellent repeatability and long-term operational stability.

    Strong Adaptability: Adaptable to complex industrial environments with fluctuating temperature, humidity, and air pressure, and compatible with various types of detection equipment.

    High Cost-Effectiveness: With a service life of up to 2 years, simple daily maintenance, and low overall operating costs.

    Key Technical Parameters

    The sensor parameters conform to industrial testing standards. Key indicators are as follows:

    Detection Capability: Standard range 0~100ppm, maximum measurement limit 150ppm; sensitivity (0.1±0.02)μA/ppm, resolution 0.2ppm, capable of detecting trace gas leaks.

    Response Speed: T90 response time <120 seconds, enabling rapid output of detection data after a leak occurs.

    Stability: Repeatability error <2% of output value, monthly stability drift <2%; zero-point drift of only 4ppm in the -20℃~40℃ range, stable data under high and low temperature environments.

    Operating Range: Operating temperature -20℃~50℃, applicable humidity 15%~90% RH (non-condensing), withstands pressure changes of ±10% of standard atmospheric pressure.

    Electrical Parameters: Operating bias voltage 300mV, recommended load resistance 10Ω, simple circuit integration.

    Main Application Areas

    Based on the production characteristics of various industries, the product has three core application scenarios:

    Oil & Petrochemical Industry: Petrochemical refining, oil and gas processing, and chemical synthesis processes are prone to hydrogen cyanide leaks. This sensor can be deployed at key locations such as production workshops, pipelines, valves, and storage areas to achieve 24-hour online monitoring and prevent safety accidents.

    Pharmaceutical Manufacturing Industry: Some pharmaceutical synthesis processes generate or use hydrogen cyanide. The sensor can be used to detect leaks in reaction vessels, production workshops, and exhaust outlets, ensuring the safety of workers and complying with industry safety production standards.

    Environmental Protection Field: Applied to chemical industrial parks, hazardous waste treatment plants, and industrial wastewater outlets, it monitors the concentration of hydrogen cyanide in the air, aiding in the supervision of toxic waste gases and ecological environmental protection.

    MQ-E3-HCN hydrogen cyanide sensor relies on mature electrochemical detection principles, boasting robust parameters, stable performance, and strong anti-interference capabilities. It is also easy to integrate, has a long lifespan, and is adaptable to a wide range of scenarios. It is perfectly compatible with fixed monitoring equipment, portable detectors, and online environmental monitoring systems, making it an ideal product for hydrogen cyanide gas monitoring across various industries.

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