{"product_id":"ha839-2000-series-magnehelic-r-differential-pressure-gauge","title":"HA839-2000 Series Magnehelic® Differential Pressure Gauge","description":"\u003cul\u003e\n\u003cli\u003eIndicates positive, negative, or differential pressure\u003c\/li\u003e\n\u003cli\u003eBezel provides flange for flush mounting in panel\u003c\/li\u003e\n\u003cli\u003eClear plastic face is highly resistant to breakage and provides undistorted viewing of pointer and scale\u003c\/li\u003e\n\u003cli\u003eRed tipped pointer of heat treated aluminum tubing is easy to see\u003c\/li\u003e\n\u003cli\u003ePointer stops of molded rubber prevent pointer over-travel without damage\u003c\/li\u003e\n\u003cli\u003e\"Wishbone\" assembly provides mounting for helix, helix bearings and pointer shaft\u003c\/li\u003e\n\u003cli\u003eJeweled bearings are shock-resistant mounted to provide virtually friction-free motion for helix, and are motion damped with high viscosity silicone fluid\u003c\/li\u003e\n\u003cli\u003eZero adjustment screw is conveniently located in the plastic cover, and is accessible without removing the cover, while O-ring seal provides pressure tightness\u003c\/li\u003e\n\u003cli\u003eHelix, mounted in jeweled bearings, is precision made from an alloy of high magnetic permeability and turns freely, following the magnetic field to move the pointer across the scale\u003c\/li\u003e\n\u003cli\u003eCalibrated range spring is flat spring steel and small amplitude of motion assures consistency and long life\u003c\/li\u003e\n\u003cli\u003eSilicone rubber diaphragm with integrally molded O-ring is supported by front and rear plates and diaphragm motion is restricted to prevent damage due to overpressures\u003c\/li\u003e\n\u003cli\u003eDie cast aluminum case is precision made and iridite-dipped to withstand 168 hour salt spray corrosion test, and the exterior is finished in baked dark gray hammerloid\u003c\/li\u003e\n\u003cli\u003eSamarium cobalt magnet mounted at one end of range spring rotates helix without mechanical linkages\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDial Diameter: 4-3\/4\"\u003c\/li\u003e\n\u003cli\u003ePressure Range: 0 - 10 kPa\u003c\/li\u003e\n\u003cli\u003eConnection: Panel Mount\u003c\/li\u003e\n\u003cli\u003eDial Type: Liquid Filled Analogue\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAdditional Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAccuracy: ±3% of Full Scale at 70°F (21.1°C)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dwyer","offers":[{"title":"Default Title","offer_id":51305536127269,"sku":"HA839","price":149.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/2665\/5781\/files\/ha828_lr_ven_46feef7b-2736-4580-aa85-b53f2d21f8be.jpg?v=1759455828","url":"https:\/\/tgstore.ca\/products\/ha839-2000-series-magnehelic-r-differential-pressure-gauge","provider":"TG Store","version":"1.0","type":"link"}