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NG # 0532221-HW-EMS-221
AT-3XX Ammonia (NH₃) Transmitter precisely monitors ammonia concentrations and converts measurements into standard 0–10 V, 4–20 mA, or Modbus RTU signals. Its replaceable sensor, durable housing, and IP67-rated enclosure provide practical, long-lasting performance for continuous gas monitoring.
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Get A QuoteThe AT-3XX Ammonia Transmitter provides dependable NH₃ monitoring for environments where continuous gas measurement is essential. It measures ammonia from 0–100 ppm, with ±1 ppm sensitivity and ±2 ppm accuracy. Operating on 12–24 V DC, it offers selectable analog or Modbus RTU outputs. A two-year sensor operating life, replaceable sensor design, wall or channel mounting options, and compact construction make it suitable for flexible installation and ongoing monitoring.
Product Name: AT-3XX Ammonia (NH₃) Transmitter
Input: 12–24 V DC
Output: 0–10 V / 2–10 V / 0–3 V / 4–20 mA / 0–20 mA / Modbus RTU
Sensor Operating Life: 2 Years
Ammonia Measuring Range: 0–100 ppm
Sensitivity: ±1 ppm
Accuracy: ±2 ppm
AT-301 Output: 0–10 V / 2–10 V / 0–3 V
AT-341 Output: 4–20 mA / 0–20 mA
AT-361 Output: Modbus RTU
Probe Options: Wall Type Probe / Duct Type Probe
Model Product Codes: 3X1-2 / 3X1-3
Main Dimensions: 110 × 58 × 35 mm
Sensor Dimensions: 64 × 24 × 24 mm
Protection: IP67 plastic case (sensor excluded)
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