Automatic constant temperature and constant pressure permeameter
Geotechnical test procedure
Clay permeability
The test method is standard R&D design. Suitable for
Clay permeability
Test
set
, stable performance and convenient use.
Automatic constant temperature and constant pressure permeameter
Technical Parameters:
1, accuracy 0.5%
2. Liquid inflow rate 100ml/min
3,
Water trap diameter
Ñ„
125
Mm
4, the maximum pressure of 2.5MPa
5, sample size
Ñ„
120X200
Mm
6, the pressure pump automatic water supply, voltage 380v
7, pressure adjustment range: 0 ~ 2.5MPa
8, appearance size:
1200*450*1260
9, the whole machine weight: 150Kg
Automatic constant temperature and constant pressure permeameter
Installation and use
1. Pressure setting: press the set button “Back†after power on, press the shift button “
>"
Press the adjustment keys “+†and “--†again to adjust the value. After adjusting, press the setting button “Back†to save. After adjusting the lower limit value, press the set key to exit.
2. The peak value of the pressure peak (the peak value is kept at the maximum pressure when the test piece is broken): long press and hold for 3 seconds to enter the setting state. When the time window is displayed as B, set to 0, which means the pressure peak is maintained. ,
It can be set to any time unit, minute, and the lower limit is increased to 0.1MPa.
3, time clear: re-do the experiment, continue to press the "--" button does not release, first display the time value, 10 seconds after the time can start from 0 minutes, "!" can not be mistakenly pressed.
4. Time review: press “—†key to change the pressure to hour, the upper limit is minute, and the lower limit is second. Return to the pressure display after 30 seconds,
5. Time setting, long press and save for 3 seconds to enter the setting state. When the time window is displayed as T, the pressure increment time can be set. The unit is minutes.
6. Zero adjustment: If there is no pressure after starting, if it does not return to zero, press once to set zero. Do not press the clear button when there is pressure, and then zero after releasing.
7, open the water injection
valve
Add pure water. When the water tank is full, start the pressurization and open the pressure regulating valve to let the water flow into the high pressure chamber chassis to just overflow.
Automatic constant temperature and constant pressure permeameter
After the experiment is completed, open the high-pressure tank drain valve, and clean the surface of the instrument with anti-rust grease. If the equipment is not used for a long time, all the water inside the system will be released to prevent frost cracking.
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