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Mechanical vs. electronic pressure switches: Functionality

How can digital pressure gauge decide whether to use mechanical pressure switches or electronic pressure switches in your application? Each type of pressure switch has individual advantages, but additionally its limitations. The primary differences in functionality between mechanical and electronic pressure switches are the way the applied pressure is used to operate the switch, the …

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“UL Recognized”, “UL Listing” – What’s the difference?

The “UL approval” is an important and well-known product approval. That there are different approvals for “UL” (“Underwriters Laboratories”) is, however, less known.Fig. left: “UL Listing” marking for Canada and the USA Fig. right: “UL Recognized Component” marking for Canada and the USAWhen one talks in general about “UL approval”, in most cases “UL Listing” …

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High-accuracy moisture measurement in SF6 switchgear

Moisture measurement in SF6-insulated switchgear is essential. That?s why WIKA has improved the performance of the GDHT-20 sensor for this industry. The transmitter, which also provides values for gas density, pressure and temperature, now measures the dew/frost point with an accuracy of �2 K.Moisture, along with density, is the crucial parameter for assessing the condition …

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Sensor status always in view with diagnostic function and IO-Link

Is the measuring instrument still working as it should? Pressure sensors with integrated diagnostic function and IO-Link provide information about their status at a glance. What this means in detail can be illustrated using the example of model A-1200 sensor from WIKA.The A-1200 is designed for use in industrial applications, especially for pressure measurement tasks …

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TA Luft now follows ISO 15848-1 for fugitive emissions

TA Luft has been revised. For the prevention of fugitive emissions, the new version of the German directive now follows the international standard ISO 15848-1. Correspondingly, ไดอะแฟรม in accordance with TA Luft follow the same test parameters as those in the ISO standard. However, the change in TA Luft has no consequences for WIKA valves …

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