... of pressure vessels, chemical equipment, boilers, oil storage tanks. MODEL CM-8823 COATING THICKNESS GAUGEApplication: This tester is used for ... , boilers, oil storage tanks, etc. in industries of petroleum, ship building, power station, and machine manufacturing. Technical Parameters:Operating principle ... : other range 0-200um to 15000um COATING THICKNESS GAUGE MODEL CM-8823 COATING THICKNESS GAUGE