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The usage and notice of asphalt standard viscometer

Release time: August 7, 2020 popularity: two hundred and thirty-two

   Asphalt standard viscometer usage method:

1. Before use, check whether all parts are normal, and pay attention to whether the water tank is clean and whether there are obstacles in the oil tank hole. Carry out the test according to the following sequence.

2. The water injection funnel should be good, and the water injected should not exceed the specified marking line.

3. Remove the oil tank cover.

4. Select the diameter of drain hole of oil tank according to the grade and technical specification of test asphalt.

5. Plug the oil drain hole with metal lifting rod.

6. Take the asphalt sample and put it into the beaker for heating and melting, and then pour it into the oil tank.

7. Cover the oil cup.

8. Set the temperature according to the requirements of various asphalt: press and hold the ↑ or ↓ keys to make the temperature displayed in the temperature window reach the set value, release the button: turn on the power switch to start heating; turn on the mixing switch, and when the temperature reaches, keep the temperature for 1-3min. Lift the ball plug,

9. Hang the mark on the side of the sample tube, count the time when the sample flows into the receiving bottle or measuring cylinder up to 25ml (measuring cylinder scale is 50ml), and stop timing when the sample flows out of 75ml (measuring cylinder scale of 100ml). The viscosity of the sample is determined by the time that the sample flows out of 50ml.

Operating procedures for asphalt standard viscometer:

1. Turn on the power.

2. According to the test mark and technical requirements, select the diameter of the oil hole in the oil tank.

3. Block the oil hole with metal lifting rod.

4. The injection water should not be too full.

5. Melt the sample in a cup.

6. According to the requirements of asphalt, adjust the heat conducting electrode to the required temperature, turn on the heating switch, and then put the metal rod in the oil tank. The asphalt flows out and inverts into the measuring cylinder. Add appropriate amount of water until the sample flows into the measuring cylinder from the flow hole. Press the stopwatch. When the flow stops at 100ml, press the stop watch to record the passing time.

7. Turn off the power after the test.

Notes for asphalt standard viscometer:

1. When using asphalt standard viscometer, it is necessary to carefully read the technical specification, be familiar with the technical indicators, working performance, use methods and precautions, and operate in strict accordance with the specified steps of the instrument operation manual.

2. The personnel using asphalt standard viscometer for the first time must operate under the guidance of skilled personnel, and can operate independently after mastering it.

3. The asphalt standard viscometer used in the experiment should be arranged reasonably, placed in order, and easy to operate, observe and record.

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