• Supports up to a 12-foot boom
• Replaceable sensor
• Ball float minimizes membrane fouling

The sensor consist of a probe to which is fitted a cartridge that contains a precisely stretched permeable membrane, electrodes and electrolyte (p/n P91D). The inexpensive cartridge will provide continuous service for 6 to 12 months and is the easily replaced in minutes. The cartridge is supplied hermetically sealed for longer shelf life.