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4NH3-500

Brief Description:
The Honeywell 4NH3-500 is an industrial-grade ammonia gas sensor designed for leak detection in refrigeration, agriculture, and chemical processing. It provides real-time NH₃ concentration monitoring with analog or digital output for integration into safety systems.

Key Features:

High sensitivity (1 ppm resolution).

IP65-rated enclosure for harsh environments.

Low-power operation for continuous monitoring.

Plug-and-play compatibility with Honeywell controllers.

Typical Applications:

Cold storage facilities

Fertilizer production plants

Industrial refrigeration systems

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Honeywell 4NH3-500 Product Parameters & Description
Key Specifications:
Model: 4NH3-500

Type: Ammonia (NH₃) Gas Sensor (Electrochemical)

Detection Range: 0–500 ppm

Output Signal: Analog (4–20 mA or 0–5V DC) / Digital (I²C)

Accuracy: ±3% of Reading

Response Time (T90): <60 seconds

Operating Temperature: -20°C to +50°C

Humidity Range: 15–90% RH (non-condensing)

Power Supply: 12–30V DC

Lifespan: 2 years (typical)

Housing Material: ABS Plastic (IP65)

Compliance: CE, RoHS, UL