Soil permeameterIt is a professional instrument used to measure soil permeability. Its core function is to simulate the process of water infiltration under natural or artificial conditions, quantify the absorption and transmission capacity of soil for water, and provide key data support for fields such as agriculture, water conservancy, and environmental science.

55 type soil permeameterOperation steps:

1. Cut the undisturbed soil sample (or manually prepare disturbed soil sample) using a ring knife according to the standard method.

2. If the soil sample needs to be saturated, the methods of saturation include vacuum pumping, immersion saturation, and head saturation.

3. First, turn on the three-way switch to exhaust and saturate the air in the lower permeable stone and pipeline. The arrow pointing to the right indicates that the water in the water tank enters the organic glass tube, the arrow pointing upwards indicates closure, and the arrow pointing to the left indicates pipeline exhaust saturation.

4. Cover both ends of the saturated soil sample with moist filter paper, place it in the container base, and then sequentially place a sealing O-ring, a sealing water stop pressure tightening ring, and a rotating pressure screw (to avoid bottom leakage) on the outside of the ring cutter. Then place a permeable stone, a guide ring, and a pressure transmitting plug above the soil sample.

5. Turn on the three-way switch (switch arrow to the right) to allow water from the water tank to enter the organic glass tube, and determine the starting water head height (limit of 1000mm), which can be selected by the testing personnel at will.

6. Preheat the computer for 3-5 minutes, during which time set relevant content on the computer interface. Then turn on the three-way switch (arrow to the left) to start the experiment, collect data, and track the relationship curve between the collection time and the change in water head.

7. According to the relationship curve between time and water head changes, select different time periods to calculate the corresponding permeability coefficient.