The carbon-sulfur joint analyzer is a new generation of steel analysis instrument developed on the basis of mature technology based on the national standard gas volume method and iodometric method. It is used in steel, iron and other materials. Quantitative analysis of carbon and sulfur elements. Among them, the gas measurement method is adopted for carbon measurement, and the iodometric method is used for sulfur measurement. The carbon-sulfur joint analyzer uses a precision sensor to realize the digital display of the measurement results, direct reading content, and can automatically print the test results, overcoming the visual errors and conversion errors that cannot be overcome in the previous gas readings, so that the measurement accuracy can be improved. The control circuit uses advanced single-chip technology to drive the solenoid valve with Darlington. With the necessary oxygen of various burners as the power source, the contactless operation of the control process is basically realized. The test process of the carbon-sulfur joint analyzer is automated, and the liquid is absorbed by the grid. The standard quality (referred to as standard) is used for calibration and digital direct reading. The influence of the air pressure temperature is overcome by the standard reference, and no conversion is needed, which greatly improves the measurement speed and accuracy. The carbon-sulfur joint analyzer can be used in conjunction with an arc burner, and can also be used in conjunction with other types of burners, such as tube furnaces and high frequency induction furnaces. The QR-4 carbon-sulfur analyzer is set up by the Chinese national standard (carbon gas volume method, sulfur using iodometric method) principle, equipped with an electronic balance to achieve non-quantitative sample measurement, touch-type membrane button full Chinese menu operation And can store four working curves, the detection results of large-screen liquid crystal display and direct printing, carbon can be displayed to three decimal places, sulfur can be displayed to four decimal places, its accuracy has been better than the Chinese national standard. ★Measurement range ★ Measurement time: 45 or so (including the sample time) ★ Measurement accuracy: in line with GB223.69-2008, GB223.68-1997 standard main feature ★Include all functions of QR-4 automatic carbon and sulfur analyzer; ★ equipped with electronic balance to achieve non-quantitative weighing, improve detection speed and accuracy; ★Using dot matrix large-screen LCD display, high resolution, full Chinese menu operation; ★Humanized design, streamlined control box, beautiful and practical, easy to operate. It can store four working curves, which greatly improves the detection accuracy; ★The number of absorptions can be selected by the customer according to the specific situation, which further ensures the detection accuracy; ★The test result carbon can be displayed to three decimal places; sulfur can be displayed to four decimal places, and its accuracy has completely met and exceeded Chinese national standards; ★ Includes all the features of the QR-4D Analyzer. Concerned about surprises Label: Overview of Carbon and Sulfur Analyzers Previous: Q345B seamless steel pipe is very widely used. Next: Introduction of air shower circuit controller system Residential Sectional Garage Door
A typical version of an overhead garage door used in the past would have been built as a one-piece panel.The panel was mounted on each side with unequal parallelogram style hinge lifting mechanism. Newer versions of overhead garage doors are now generally built from several panels hinged together that roll along a system of tracks guided by rollers. The door is balanced by either a torsion spring system or a pair of extension springs.A remote controlled motorized mechanism for opening garage doors adds convenience, safety, and security
• Aluminum garage doors are low-cost, light, rust-proof, and feature low-maintenance. They are prone to denting because aluminum is not strong and they are energy-inefficient since aluminum is a highly conductivematerial.
• Fiberglass and vinyl garage doors are composite units, combining a steel core behind a fiberglass or vinyl skin. They have also polyurethane insulated base sections, or other type of foam insulation. These premium doors can match steel garage doors, and be a realistic imitation of wood (namely fiberglass units), but they may be more expensive than steel units.
• Steel doors have become common and are available in a variety of sizes and styles, provide strength and security, are cost-competitive, and may have optional insulating value. Extra strength is available with two or three layers of galvanized steel with a low gauge number (23-24 gauge steel panels).
• Wood garage doors offer aesthetic appeal, but they are high-maintenance and may be expensive. Low-priced wood garage doors may warp and break easily.
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The main technical parameters
Carbon: 0.01 to 6.00% Sulfur: 0.003 to 2.000%
★The test results can be directly displayed and printed regardless of the height, without the need for magnification calculation, greatly improving the detection accuracy;
★Universal instrument interface, easy to update and upgrade; 