Myron L UltrapenX2 PTBT4 Bluetooth Free Chlorine Equivalent (FCE) Pen ballast water and a single N-type battery

and a single N-type battery powers the pen

measurement and draining on its own — there are no drainage valves to open and close and no evaporation step to supervise

Diagnosing which sensor to replace

no cross-contamination between wells

Myron L UltrapenX2 PTBT4 Bluetooth Free Chlorine Equivalent (FCE) Pen ballast water and a single N-type batteryThe Myron L UltrapenX2 PTBT4 reports Free Chlorine Equivalent free available chlorine derived from ORP and pH with no reagents, no color matching and no dilution, then logs each reading to the UltrapenX2 app over Bluetooth with a time stamp and optional note. Application Because FCE is calculated from the oxidation potential of the source water itself, it reflects actual disinfection power rather than the chemistry of a sample in a test tube. That