Bluelab pH PenPlus

Bluelab® pH PenPlus is designed to minimize downtime, extend product life, and support confident decision-making with reliable pH and temperature measurement. It features a double-junction pH probe for consistent, accurate readings and a replaceable pH and temperature probe with a screw-cap design for quick replacement. Temperature can be displayed in °C or °F, and a KCl-filled silicone cap with an internal sponge helps maintain proper probe hydration. The pen also includes a bright backlit display, hold-reading function, and simple 2-point calibration with a 30-day reminder. An integrated lanyard with waterproof silicone probe cap adds convenience and protection, while the auto-off function and compact handheld design support dependable, everyday use.