* Price includes current tariff charges by Honeywell. *
Replacement sensors for Ammonia Detection with the 301EM controller
| Part Number | Ammonia Sensor |
| ECFX-100-N-EM | Ammonia (NH3) Monitor, 4-20mA, Vulbus, 0-100 ppm, NEMA 1 Encl. |
| ECFX-250-N-EM | Ammonia (NH3) Monitor, 4-20mA, Vulbus 0-250 ppm, NEMA 1 Encl. |
| ECFX-500-N-EM | Ammonia (NH3) monitor, 4-20 mA, Modbus 0-500 ppm, NEMA 1 Encl. |