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.  

1. Main technical characteristics 

1、This instrument adopts microcomputer control, automatic stirring, and linear heating. The temperature rise rate meets the requirements specified in the standards. The test results are automatically detected. After the test is completed, the test results are automatically displayed and the test results are automatically printed.  

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、This instrument is a small desktop structure, with LCD screen display and touch keyboard control. It can test two samples at the same time, which is convenient for testing and reliable results.  

4、have RS-232C Computer communication interface can realize communication with computers.  

5、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, +5℃～+80℃； 

                           ⑵ The sample softening point is 80 ℃The above, +32℃～+160℃； 

3、Temperature resolution: 0.01 ℃； 

4、Agitator: The stirring speed is continuously adjustable；  

5、Heating rate: Automatically adjust to (5.0±0.5)℃/ min； 

6、Softening point results: LCD display and printer printing；  

7、Heating power: 600 W； 

8、Beaker: Effective volume 1000 ml； 

9、Environmental conditions: Room temperature is less than 35 ℃And relatively stable, no air convection phenomenon；  

10、Relative humidity: ≤85％； 

11、Power consumption of the whole machine: not more than 700 W。 

13、Dimensions: 400 mm×300mm×490mm（ long ×Width ×high).