SHAKOPEE, MN — Thexton’s Cold-Chek and Charg-Chek Anti-Freeze and Battery Testers were the first accurate and inexpensive specific gravity testers when they were introduced in 1964. Now, more than forty years later, they are Thexton’s latest ‘Tools of the Month.’

“Back in the sixties, Thexton pioneered the idea of formulating floating beads that compensated for the temperature of the coolant, said Thexton’s Vice President of Research and Development, Dennis Harder. “Cold-Chek worked, hot or cold.”

Harder added that the Cold-Chek reputation was built on pocket-size coolant testers like the No. 100, 101, 102 and the large Professional testers No. 106 for ethylene glycol, and the No. 107 for propylene glycol.

Thexton has added an optical refractometer and a pair of swing-type testers to the line. The Cold-Chek/Charg-Chek Refractometer, Part No. 105 accurately reads ethylene glycol, propylene glycol and battery electrolyte. According to Harder, OEM cooling system service and warranty work may require technicians to make very precise readings and that means an accurate refractometer. Thexton has also added the Cold-Chek Swing-Type Anti-Freeze Tester, Part No. 103 and Charg-Chek Swing-Type Battery Tester, Part No. 116.

Cold-Chek and Charg-Chek Testers are part of more than 100 tools, testers and repair kits Thexton Manufacturing Company has in their line. This year, Thexton is celebrating its 98th year in business.For more information, visit Thexton’s Web Site at thextontools.com.

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