上课把女同桌内裤摸湿,一线高清视频在线观看www国产,色综合伊人色综合网站下载,男人边吃奶摸下边免费视频,精品综合久久久久久蜜月

  • <sup id="ql6g2"><dd id="ql6g2"><label id="ql6g2"></label></dd></sup>
  • <sup id="ql6g2"></sup>
    <dfn id="ql6g2"></dfn>
    <sup id="ql6g2"></sup>
      <samp id="ql6g2"></samp>
      • <samp id="ql6g2"><rt id="ql6g2"><tbody id="ql6g2"></tbody></rt></samp>
        <tt id="ql6g2"><tfoot id="ql6g2"></tfoot></tt><fieldset id="ql6g2"><rp id="ql6g2"><thead id="ql6g2"></thead></rp></fieldset>
          Products
          JG-20 electronic aperture tester

          Scope of Application

          Electronic pore size tester is also called filter paper pore size tester and bubbling test bench to test the maximum pore size and average pore size of filter materials such as filter paper and filter media.

          Standards compliant

          ISO 2942-2004 Hydraulic Transmission-Filter Element-Verification of Structural Integrity and Determination of Initial Bubble Point

          GB/T 14041.1-2007 Hydraulic Filter Element Part 1: Verification of Structural Integrity and Determination of Initial Bubble Point

          ISO 4003-1990 Permeable sintered metal materials-Determination of void size in bubble test

          GB/T 5249-2013 Permeable sintered metal material-Determination of the pore size of the bubble test

          JB/T 5089.3 The third part of the test method of the internal combustion engine paper filter oil filter

          technical parameter

          1. Air pressure 0-20kpa

          2. Pressurization speed 2-2.5kpa/min

          3. LCD screen display 240 128 dot matrix

          4. Pressure value accuracy ±1%

          5. Pressure resolution 1Pa

          6. Aperture resolution 1μm

          7. Test piece thickness 0.10-3.5mm

          8. Test effective area 10±0.2cm²

          9. The inner diameter of the clamp ring φ72±0.5mm

          10. Volume of gas cylinder 2.5L

          11. Power supply 220V AC

          12. Dimensions: 450*500*750mm

          13. Weight: 25KG