Portable PH tester Qty 1

Analytical Measurements Ltd. portable pH meter, Richmond, Surrey, England. An electronic instrument designed for measuring the acidity or alkalinity of liquid samples, using a glass electrode probe connected to the front socket. Instruments of this type were widely used in laboratories, water treatment plants, food processing, and chemical analysis for monitoring pH levels in solutions. Bench or field analytical equipment from the early electronic laboratory era. Mid-20th century, c.1950s–1960s.

W8 x D6 x H15 cm.

Untested.