LBW-Watchman-EC Cool Air Inc. Ammonia Detector, Electrochemical Sensor, 0-500 ppm, 4-20 mA output, 24 VDC

The LBW-Watchman ammonia gas detector is a simple, compact detector offering that has the important features you need, allowing you or your control system to respond quickly in the event of an ammonia leak at your facility.

Main features for the LBW-WATCHMAN include a bright digital readout for continuously displaying the ammonia concentration (ppm) in real time. 4-20 mA output comes standard for seamless integration with existing PLC control systems. Low and high alarm output contacts for operating alarm lights and horns. All of this packaged in a bright, safety yellow enclosure allowing for quick identification in crowded equipment rooms and process areas.

• Bright LED display, indicating NH3 concentration in Real Time
• Gas sensor mounted externally, ensuring highest probability for immediate detection
• Annual calibration requirement, process is simple and quick, reducing maintenance costs
• Industry standard 4 – 20 mA output for connecting to controllers and PLCs
• Programmable alarm set points and 4-20 mA output scale (factory settings, 50 ppm low alarm, 100 ppm high alarm and 0-250 ppm for 4-20 mA scale)
• 24 VDC input voltage