How to install and debug the geotextile thickness gauge? -Huaqiang Electronic Network

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How to install and debug the geotextile thickness gauge?

1. Instrument installation:

1.1 Unpack the instrument, clean the packaged wood chips and other dust particles with a clean soft cloth, place it on the work surface at the appropriate height, and place a soft and moderate rubber plate under each corner.

1.2 Rotate the bottom corner adjustment screw, watch the leveler to center the bubble, and make the four soles touch the rubber plate in a solid manner.

1.3 Place the accessory box attached to the instrument next to it for backup.

2 test steps:

2.1 The tester must sample according to the relevant test method standards, so that the sample is in the test state that meets the requirements of the method standard.

2.2 The right hand holds the cam handle to rotate counterclockwise, so that the cam pushes up the pressure plate and the weight of the pressing weight hanging on the right side of the pressure plate.

2.3 Remove the replaceable presser foot under the pressure plate and select the presser foot type according to the thickness of the test sample. Geomembrane composite material with 0.5 gauge adapted geomembrane, No. 5 adaptation test 0.5~5mm thickness range, geotextile composite material with 10~10mm thickness range for adaptability test, geotextile synthesis of 15~10mm thickness range material.

2.4 Select the replaceable presser foot, clean the reference plate and presser foot surface with a clean soft cloth, and put the presser foot on the reference plate again. Note that the triangular blade on the presser foot is aligned with the inverted V-groove under the platen.

2.5 Selection and installation: Measure the dial gauge of geotextile selection. (Measure the geomembrane to select the dial gauge, note: the dial gauge is self-matching). Insert it into the hole of the table frame. When the contact on the table touches the upper end surface of the presser foot, move it slightly downward by 0.1~0.2mm and screw the nut. Then clear its table (or zero).

2.6 Gently lift the replaceable presser foot and insert the sample naturally between the reference plate and the presser foot. Put down the presser foot, and let the sample be subjected to a pressure of 2kPa±0.01kPa. At the same time, the ammeter is timed, and when the sample is pressed for 30s, the dial gauge (or dial gauge) value is read.

2.7 Repeat the above operation to complete the specified number of test pieces.

3. Use different test pressures as needed:

3.1 The test specimen is tested under a pressure of 20 kPa. After repeating step 2.6, the pressurizing weight 1 is hung on the hanging ring on the right side of the pressure plate, and then the cam handle is rotated clockwise with the right hand. When the weight of the pressurization is completely supported by the triangular blade of the replaceable presser foot, the timepiece is counted at the same time, and the dial gauge (or dial gauge) value is read when the sample is pressed for 30 seconds.

3.2 The test specimen is tested under a pressure of 200 Pa. After repeating the 2.6 step, the pressurizing weight 1 and the pressurizing weight 2 are simultaneously hung on the hanging ring on the right side of the pressure plate, and then the cam handle is rotated clockwise with the right hand. When the weight of the pressurization is completely supported by the triangular blade of the presser foot, the timepiece is timed, and the dial gauge (or dial gauge) value is read when the sample is pressed for 30 seconds.

3.4 Each test result must be manually recorded and calculated. The test results and test reports are based on the test method standard requirements and the production process requirements.