NAP-57S Contact Combustion Gas Sensor Good Stability for Detecting Combustible Gases Like Methane Propane

Key Features:

1. Bias - free Design: It operates without the need for bias voltage, which simplifies the circuit design of the supporting detection equipment and reduces the integration difficulty for developers of portable and fixed gas detectors.
2. Stable Performance: The long - term output drift is less than 20% per year, and it has good repeatability. This ensures that the sensor can provide reliable and consistent detection data during long - term use.
3. Wide Environmental Adaptability: It can work normally in the temperature range of - 40 ℃ to + 50 ℃ and the humidity range of 15% - 90% RH. It is also adaptable to the pressure fluctuation between 800 - 1200 mbar, making it suitable for various harsh working environments.
4. Standard Packaging: Adopting the industry - standard 4 - series packaging and 3 - pin interface, it is convenient to replace like - type sensors, which is conducive to the maintenance and upgrading of equipment.

Typical Applications:

1. Industrial Safety: It can be installed in chemical plants, fertilizer factories and other places where ammonia is produced or used. It monitors ammonia concentration in real time to prevent safety accidents such as poisoning caused by excessive ammonia leakage.
2. Food & Beverage Industry: Ammonia is often involved in some food processing links or used for refrigeration. The sensor can monitor ammonia leakage in refrigeration systems and production workshops to ensure food safety and the health of employees.
3. HVAC and Refrigeration Systems: It is used to detect ammonia gas leakage in ammonia - based refrigeration equipment of central air - conditioning and cold storage, so as to avoid equipment failure and environmental pollution caused by leakage.
4. Portable/A stationary Gas Detectors: Due to its compact size and simple electrical requirements, it is an ideal core component for handheld portable ammonia detectors and fixed ammonia concentration monitoring terminals used in confined spaces.

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