KELLER-Druck hydrogen pressure sensor
Pressure transmitters from KELLER-Druck are designed with oil-based piezoresistive technology. This technology offers zero-point stability with high measurement sensitivity. The original stainless-steel diaphragm is modified with a gold-plated diaphragm to suit hydrogen pressure measurement applications. The modification is made to slow the hydrogen penetration rate, which may produce inaccurate measurement and potentially damage the sensors.
The parts of the transmitters that come in contact with the diaphragm are designed with elastomer-free materials, fully welded and metallically sealed to prevent the ingress of hydrogen. This also allows the users to clean the sensors with an oil- and grease-free solution regularly to prevent contamination of the hydrogen systems. All the hydrogen pressure sensors are made with intrinsically safe design for precaution as hydrogen is flammable and explosive.
These custom-designed, gold-plated diaphragm pressure transmitters can be used for pressure measurement of up to 1000 bar with a high level of measurement accuracy. They can be made to suit any types of measuring requirements depending on the application, encompassing measurement of low or high pressure outside of the standard measuring range.
Phone: 03 9540 5100
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