The pressure gauge is a common instrument in our life. It mainly uses the elastic element as a sensitive element to measure and indicate the pressure above the ambient pressure. It is widely used in our lives and involves major industries. Basically, he can be seen in all industrial processes and scientific research fields. As a member of the society, we will have more or less exposure to a lot of pressure gauges. Therefore, we should develop a pair of eye-catching and well-recognized pressure gauges. I will introduce the pressure gauge testing procedures below. First, appearance inspection 1. Before we get the pressure gauge, we should seriously look at the packaging, identify whether the origin of the pressure gauge is a regular way, and whether the packaging box is clearly marked. 2, After getting the pressure gauge, we should be very hungry to observe the surface of the pressure gauge, observe whether the appearance is smooth and even, no rust marks, no bad plating, and the welding place should be smooth and beautiful. 3, reading part, whether the reading is clearly visible, transparent cover is tainted. 4 4. Zero position, pressure gauge with limited nails. When there is no pressure, the pointer should be close to the stop pin, and the pressure gauge for infinite nailing should be within the zero mark when there is no pressure. 5. If the pressure gauge is filled with liquid, the liquid shall be clear and transparent, free of impurities or floating objects, and the liquid level shall be located at 0.25D-0.3D above the center of the case (D is the outside diameter of the instrument) and in a 60-degree incubator No leakage. Second, the meter 1. Select an appropriate calibrator. The absolute value of the allowable error of the calibrator should not be greater than 1/4 of the absolute value of the allowable error of the gauge being tested. 2, standard instruments can be used spring tube precision pressure gauge and vacuum gauge, piston pressure gauge, piston vacuum pressure gauge Third, the indication error, return error, and tapping displacement test 1. Indication error verification method, the pressure meter's indicating value verification is carried out according to the marking line marked with a number of digits. The timing is gradually and steadily stepped up (or stepped down). When the indication value reaches the upper limit of detection, the pressure source is cut off. Pressure 3MIN, and then press the original test point to step down (or boost) in reverse order. 2, return error, the same point of time, in the step-up (or step-down) and step-down (or step-up) detection, the specified absolute value of the allowable error. 3, tapping displacement, for each inspection, at the step-up (or step-down) and step-down (or step-up) inspection timing, the value of the indication change caused by the lightweight case is not greater than the absolute value of the specified allowable error 1/2. 4. Indication error: For each verification point, during the step-up (or step-down) and step-down (or step-up) detection, the difference between the front and rear display case of the lightweight case and the standard device shall meet the requirements.
Gabion mattresses are used for river bank and scour protection, channel linings for erosion control, and embankment stability. They are filled with rock at the project site to form flexible, permeable, monolithic structures to promote rapid growth of natural vegetation. The base section of the Gabion mattress is divided into compartments and filled with stones at the project site. With lids secured, Gabion mattresses form flexible, permeable, monolithic structures.
Features:
Low maintenance.
Simple assembly and filling, no need for qualified labour.
Filling is available in direct proximity.
Foundation work not necessary, only a place surface on a sustainable ground is needed.
Reno Mattress support the natural bank vegetataion and integrates naturally in the surrounding landscape
Packaging Details
1. Nude package,compacted before packaging.
2. Plastic packaging outside and on the pallet.
3 .Customized.according to the customers' requirment.
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