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RC Systems has been a global leader in fixed gas detection and alarm control since 1989. Our SenSmart line of ammonia gas detectors and sensors provide the price/performance ratio and versatility to fit any situation. SenSmart ammonia (NH3) gas detectors and monitors offer Important features including sensor heater (SenSmart 3100 & 6100) for low temperature applications such as ammonia refrigeration, Ethernet with embedded Web Server (SenSmart 6100), and wireless ammonia monitoring with the easy to install SenSmart 7100.  For the lowest price points consider the SenSmart 1100 and 2100 4-20mA loop powered ammonia (NH3) gas detectors and monitors.