NH3 ammonia sensor INS-TR-NH3-AF-4XX

for food storagefor agriculture and animal husbandryfor industrial gas safety monitoring

Overview
The INS-TR-NH3-AF-4XX is an ammonia (NH3) detector designed for precise monitoring of ammonia concentrations in industrial, agricultural and food-processing environments. It is a transmitter with an integrated digital display enabling continuous monitoring of NH3 to help ensure plant safety, operator protection and compliance with air quality standards.

Applications

• Industrial refrigeration systems and cold rooms
• Food-processing facilities
• Livestock farms
• Laboratories
• Technical installations requiring fast ammonia detection

Features and integration
The detector provides direct reading via the integrated digital display and outputs compatible with BMS/supervision systems for simple integration into industrial control environments. Available outputs: 0–10 V, 4–20 mA and Modbus RTU.

Product notes
Plastic enclosure rated IP67 (excluding sensor). Replaceable sensor. Average sensor lifetime: approximately 2 years.

Available models

• INS-TR-NH3-AF-401
• INS-TR-NH3-AF-441
• INS-TR-NH3-AF-461

Specifications / technical data

• Measured gas: Ammonia (NH₃)
• Measurement range: 0–100 ppm
• Measurement accuracy: ±2 ppm
• Sensitivity: ±1 ppm
• Power supply: 12–24 V DC
• Output signals: 0–10 V / 4–20 mA / Modbus RTU
• Protection rating: Plastic enclosure IP67 (excluding sensor)
• Display: Integrated digital (real-time reading)
• Sensor: Replaceable, average lifetime ~2 years
• Typical applications: industrial refrigeration, food-processing, livestock farms, laboratories, BMS integration