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Claim The operating instructions are parts of the products and must be kept in the immediate vicinity of the instrument and readily accessible to skilled personnel at any time. Skilled personnel must have carefully read and understood the operating instructions prior to beginning any work.
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2bar.In order to avoid the air enter into the item inside. That will affect the system stability when you use it next time. Labeling Huaxin Instrument(Beijing) Co., Ltd. Manufacturer Model Model HS711A Product Name Product Hydraulic Comparator Pressure Range Range (0~600bar) Series Number...
1.Summary HS711A Hydraulic comparator adopts special process with high quality aluminum alloy and pining inside design, which make it high sealing quality, easy to clear. With the advantage of fast connection ,easy generate pressure , quick pressurizing, long time keep pressure, higher accuracy, it have been widely used in Lab and Field on the pressure gauge calibration.
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3.Components relieve output interface plug Oil/water cup venting screw lead screw hand pump Output There are two output interface. one for standard gauge, the other for gauge under test. Venting screw Release the venting screw during operation ;otherwise be tightened. Relieve Clockwise rotate the relieve knot before generating pressure,...
Pressure gauge 250bar(25Mpa) as example. (The calibration points:0bar 50bar 100bar 150bar 200bar 250bar) A. Lay the HS711A on the test bench. anti-clockwise the relieve valve, unscrew venting screw . Remove the plug of the outputs, connect the standard gauge and guage under test on the two output interface B.
5.Troubleshooting There are some main faults of HS711A mentioned below after long term usage, the operator can analyze and eliminate problems by these methods. Disassemble and repair the HS711A with pressure is prohibited. Faults Cause Solution The O-ring seal is loose or damaged...
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6.Support The product specifications and other information contained in this manual are subject to change without notice. If you have any questions, please call our services hotline:400 611 3558 or Tel:+86-10-62392087...
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