This instrument is based on the standards of the People's Republic of China GB/T 4507《 Petroleum asphalt softening point determination method, industry standards of the People's Republic of China JTG E20-2011《 Test Regulations for Asphalt and Asphalt Mixture in Highway Engineering T 0606-2011《 Designed and manufactured as required by the asphalt softening point test (Global Law)" and is suitable for the determination of various asphalt softening points such as road petroleum asphalt, coal asphalt, liquid petroleum asphalt, and is a preferred instrument for various asphalt production enterprises, highway and bridge construction units, and related colleges and universities and research institutions.

  This instrument can also be used for testing softening points of resin products.

1. Main technical characteristics

1、This instrument is a small desktop structure, which adopts microcomputer control, linear heating, and automatic stirring. The measurement results are accurate and reliable, and the test results are automatically displayed after the test is completed.

2、The beaker is made of high-temperature resistant glass, and the specifications and dimensions of steel ball positioning rings, steel balls, etc. meet the requirements specified in the standards.

3、The water bath has an automatic stirring device, which uses a digital tube to display time and temperature. It can also test two samples, which is convenient for testing and reliable results.

4、The maximum heating temperature of this instrument water bath is 160 ℃。

2. Main technical parameters and indicators

1、Power supply voltage:       AC220V（ Allowable error-5 ％～+10％)，50Hz；

2、Measurement range:       ⑴ The sample softening point is 80 ℃The following are used as the heating medium.

+5 ℃～+80℃；

                      ⑵ The sample softening point is 80 ℃For the above, use glycerin as the heating medium.

+32℃～+160℃；

3、Temperature resolution: 0.1 ℃；

4、Heating rate: Automatically adjust to 5.0 after three minutes ±0.5℃/ min；

5、Agitator: The stirring speed is continuously adjustable；

6、Heating power: 800 W；

7、Heating medium: glycerol；

8、Beaker effective volume: 1000 ml；

9、Relative humidity:       ≤85％；

10、Power consumption of the whole machine: not more than 850 w。

11、Dimensions: 210 mm×350mm×400mm（ long ×Width ×high).