DESCRIPTION
The CAx440EX Field Transmitter H₂S EX is a smart controller for H₂S sensor data transmission, providing power to the GS1440 and GS2440EX sensors by disposable batteries or a DC power supply. It is an ideal tool both for portable sulfide mapping campaigns throughout the collection system and for permanent monitoring applications in strategic hotspots.*Replacement batteries are specially designed for the Field Transmitter and must be purchased from Hach.