Does the FDA issue its own approvals for systems or devices and therefore also issue approvals for measuring devices? Find out more in the following blog post. There are always uncertainties with this topic, which is why I'd like to shed more light on the question in …
Know-how
Ex protection – The difference between the Zone and Division model
Jens Bargon | Know-how“The product is suitable for use in Zone 1, as well as for use in Class 1, Div 1.” This statement is heard or read again and again in the descriptions for products for use in hazardous areas. But what is the difference between Zone 1 and Class 1, Div 1? Let's …
Combination of pressure measuring instrument with accessories – Hook-up instead of own assembly
July Yang | Know-howPressure transmitters and pressure gauges can be adapted to almost any process condition using valves, protective devices and/or fittings. WIKA offers such combinations in the form of a "hook-up", an application-specific and ready-to-install solution. It eliminates all …
Difference between gauge pressure and absolute pressure measurement
Michèle Beyer | Know-howAgain and again, we are asked the question about the difference between an absolute pressure measurement and a gauge pressure measurement. To answer this question it helps to look at the definition of gauge pressure and absolute pressure. The difference between the two …
Thermometer calibration – an overview
Danica Schwarzkopf | Know-howNot all calibrations are the same. This is illustrated by the example of “Thermometer calibration” - which test method is used depends on various factors such as process conditions, quality standards and safety requirements. Depending on the method, the calibration …