Asphalt mixture water saturation meter

1、 Turn on the power switch and the hour and minute timing window will light up and wait for the work.
2、 The vacuum gauge of the instrument is an electric contact vacuum gauge with upper and lower limits, which can be set according to the requirements of the test. When the vacuum gauge needle reaches the lower limit, the vacuum pump stops working, and when the needle reaches the upper limit, the vacuum pump starts working again to ensure the vacuum degree required for the test.
3、 cover the vacuum bucket cover, tighten, press the pumping key, the vacuum pump works, the timer starts to time, press the stop button vacuum pump stops working.
4 、Measurement of the instrument 71x41x75(cm)
5、Weight 30kg