RFQ

AT-4XX INDICATOR AMMONIA (NH₃) TRANSMITTER

  • NG # 0532226-HW-EMS-226

AT-4XX Ammonia (NH₃) Transmitter with Display provides continuous ammonia monitoring with clear local indication. It converts detected concentrations into standard 0–10 V, 4–20 mA, or Modbus RTU signals, combining precise sensing, easy maintenance, simple installation, and durable IP67 protection.

 

 

Manufactured By :
EMS Control
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Overview

The AT-4XX brings ammonia measurement and on-site visibility together in a compact monitoring device. It detects NH₃ concentration in the surrounding environment and translates the measurement into signals suitable for automation and monitoring systems, while the integrated display allows convenient local observation. Its replaceable sensor reduces maintenance complexity, and the practical enclosure supports straightforward mounting. With dependable sensing and flexible connectivity, it is suited to applications requiring continuous ammonia-level supervision.

Specification

Supply Voltage: 12–24 V DC
Output: 0–10 V / 2–10 V / 0–3 V / 4–20 mA / 0–20 mA / Modbus RTU
AT-401 Output: 0–10 V / 2–10 V / 0–3 V
AT-441 Output: 4–20 mA / 0–20 mA
AT-461 Output: Modbus RTU
Sensor: Ammonia (NH₃)
Measuring Range: 0–100 ppm
Sensitivity: ±1 ppm
Accuracy: ±2 ppm
Sensor Life: 2 years
Probe Options: Wall Type Probe / Duct Type Probe
Model Codes: 4X1-2 / 4X1-3
Main Dimensions: 161 × 65 × 40 mm
Probe Dimensions: 115 × 24 × 24 mm
Display: Integrated display
Protection: IP67 plastic case (sensor excluded)

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