The JB Prince U991 ATC pH Meter Pen is a compact and efficient tool designed for accurately reading pH levels in liquids, suited for various industry applications. With a length of 6-1/2″, this pen is crafted from durable plastic, ensuring longevity and ease of handling. Its beige and blue design adds a professional aesthetic to its functional build. This pH meter pen incorporates an auto shut-off feature, conserving battery life when not in use, and is equipped with a low battery indicator, ensuring readiness for precise measurements at all times. Batteries are included, providing convenience and readiness straight out of the box. The JB Prince U991 ATC pH Meter Pen is an essential tool for professionals in scientific research, food and beverage quality control, and environmental monitoring, providing reliable measurements with the added benefit of portability. Its user-friendly features make it an ideal choice for both field and laboratory use, highlighting its versatility and practicality in diverse settings.