Do I have to check EasyDens regularly? February 18, 2022 09:33 Updated We recommend performing check measurements with distilled or deionized water at regular intervals. You can easily check your EasyDens by performing a “Device Diagnosis”. Further questions? Contact us via firstname.lastname@example.org. Related articles After switching EasyDens on, I can hear a high-pitched whistle. Is my instrument defective? How do I perform a device diagnosis for my EasyDens? Is it possible to perform continuous flow measurements by conveying the sample through EasyDens with a peristaltic pump? How do I perform a measurement? What temperature must my sample have to be suited for measurement?