wika Capsule pressure gauge with switch contacts Stainless steel high overpressure safety wika 632.51
wika Capsule pressure gauge with switch contacts Stainless steel high overpressure safety wika 632.51
Applications
■ Control and regulation of industrial processes at measuring points with increased overpressure and scale ranges from 0 … 2.5 mbar
■ Monitoring of plants and switching of electric circuits
■ For gaseous, aggressive media, also for aggressive environments
■ Process industry: chemical/petro-chemical, power stations, mining, on- and offshore, environmental technology, machine building and general plant construction Special features
■ High overpressure safety up to 50 x full scale value
■ High reliability and long service life
■ Up to 4 switch contacts per instrument
■ Gauges with inductive contacts for use in hazardous areas with ATEX approval
■ Gauges with electronic contacts for PLC applications
Description
Wherever the process pressure has to be indicated locally, and, at the same time, circuits are to be made or broken, the Model 632.51 switchGAUGE can be used. Switch contacts (electrical alarm contacts) make or break an electric control circuit dependent upon the position of the instrument pointer. The switch contacts are adjustable over the full extent of the scale range (see DIN 16085), and are mounted predominantly below the dial, though also partly on top of the dial. The instrument pointer (actual value pointer) moves freely across the entire scale range, independent of the setting. The set pointer can be adjusted using a removable adjustment key in the window. Switch contacts consisting of several contacts can also be set to a single set point. Contact actuation is made when the actual value pointer travels beyond or below the desired set point. The pressure gauge is manufactured in accordance with DIN 16085 and fulfils all requirements of the relevant standards (EN 837-3) and regulations for the on-site display of the operating pressure of pressure vessels. As switch contacts magnetic snap-action contacts, inductive contacts - for requirements to ATEX - or electronic contacts for triggering a PLC are available. For further information on the different switch contacts please see data sheet AC 08.01.
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