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The most simplified water analysis tool: PACKTEST

Article - May 6, 2023

 Since 1952, Kyoritsu has been supporting aquatic conservation through its provision of simplified water quality checkers to the world.


Designed to be one of the world's simplest water analysis tools, PACKTEST was launched in 1973 and is Kyoritsu Chemical-Check Lab’s flagship product. Diversification followed—into education, wastewater management and factory quality control—as the product evolved into what it is today.

“The PACKTEST is a polyethylene tube contains pre-mixed reagents to measure a specific analyte,” explains company president, Shuntaro Okauchi, who says that the uniqueness of Kyoritsu’s products lies in their simplicity and wide variety. “The result can be seen right away with the color coded indicator,” he adds.

With competition rife, and an acute awareness of environmental responsibilities, eliminating toxins from the reagents provides Kyoritsu with another advantage.

Compare colors for result

“Other simplified water analysis tools may use hazardous materials. They might have stronger reaction for accuracy, times but only a limited number of people can handle them. We believe simplified method can provide many benefits, and this is what sets us apart.”

The progress made on products has been complemented by other decisions taken by the company, including changing location to appeal more to younger prospective employees.

“Moving to our new location, one dedicated to lab, R&D, and manufacturing, helps us to break away from some stereotypes. We wanted to show that our facility provides a different working environment from what people may expect. Our head office, factory and lab are all here, and part of manufacturing site remains in Tokyo.”

Staying ahead, plus international growth ambitions, means focusing product development on the customer, and in April 2020 the iPhone app, SMART PACKTEST was launched.