Besides 3- and 4-digit digital indicators, there are also 3 1/2-digit indicators available in the market. But what is a 1/2 digit? A full digit can indicate all numbers from “0” to “9”. A 1/2 digit, in contrast, can only display a “1”, a number …
Indication
Integration of pressure sensors into the PLC
Stefan Heusel | Know-howThe construction of a traditional current loop for the capture of pressure sensor signals has its pitfalls – especially when not only a signal must be transmitted to the PLC, but also a local indicator has to be integrated. Let's have a look at the example of a …
Connection of an Ex nA digital indicator to an Ex i sensor
Stefan Heusel | Know-howIs it possible to connect a non-incendive Ex nA digital indicator to an intrinsically safe Ex i sensor in hazardous areas? Very often, signals from pressure sensors that do not have a built-in digital indicator for the measured value are connected to external digital …
Characteristics of the display of a digital indicator
Anna Zeitler | Know-howThe characteristics of the display are an important selection criterion when deciding on a digital indicator. Here, there are different points that must be considered: 1. The number of segments This concerns the segments used to display the numbers. The …
Benefits of the LED display of the pressure switch PSD-30
Jürgen Reiser | PressureThe most important customer requirements for an instrument display are: durable, robust, and good readability of the active pressure even from a distance of up to 3 m, even in poor light conditions. Red LED displays are still the most widely used technology in the …