Description

The intelligent digital process pressure and level transmitter KERAMESS - Series 100 -  in a robust stainless steel field housing with ceramic sensors, is also available in a rod version, KERASTAB,  including an extension pipe. It can be programmed at the measuring site, using three push-buttons and a display / operating module without pressure specifications. The zero point and measuring range can be easily set via two push-buttons, which is a special advantage in the case of applications used for level measurements.

The option of displaying various pressure units during operation has been provided, as has the display of the process (sensor) temperature as a secondary process value. The display and operating module is either integrated into the field device and becomes accessible by removing the front ring (can be rotated by 360° and removed) or available as an external housing with a plug connection. The transmitters are then supplied without a graphics display (cost savings for each measuring site).

The measuring element takes the form of a robust and corrosion-resistant ceramic membrane made from 96% or 99,9% aluminium oxide (check application conditions). The imminent process pressure of the medium to be measured results in a slight mechanical displacement of the ceramic sensor membrane via the pressure connection. The capacitive measuring technology and the application of the measuring membrane after only 25 µm result in an extreme overload resistance of up to 40 times.

The sensor-specific data are stored in a reference data memory and are made available to the microprocessor for extension purposes. All Hengesbach pressure transmitters are temperature-compensated. An additional temperature sensor as a secondary measuring element makes the temperature measured on the sensor available on the display as additional information.