I.Product introduction: 1) DSHD-2806G Automatic Asphalt Softening Point Tester is designed and developed as per the National Standard of People's Republic of China GB/T4507 "Test Methods for Softening Point of Asphalt", and T0606 "Asphalt Softening Point Test (Ring and Ball Methods)" in the Industry Standard of People's Republic of China. 2) DSHD-2806G Automatic Asphalt Softening Point Tester is applied to determine the softening point of highway asphalt, coal pitch, liquid asphalt and other types of asphalt, etc. It is the best choice of asphalt manufacture companies, highway and bridge construction companies, colleges and universities, and scientific research institutes. 3) DHSD-2806G Automatic Asphalt Softening Point Tester adopts computer for controlling, electron photo-electricity for measurement, LCD for indication and Micro-printer for printing test data.The instrument also has linear heating temperature, even stirring speed and it can make test for two samples at the same time and determine softening point of samples automatically. 4)DSHD-2806G Automatic Asphalt Softening Point Tester is automatic, convenient and reliable, so it is an intelligent instrument for measuring softening point of asphalt sample. II. Main technical specifications and parameters 　1. Power supply: AC 220V (-5%~+10%), 50 Hz; 　2. Measurement range: 　 (1) For asphalt, the softening point of which is under 80°C, you can take distilled water as heating medium : +5°C~+80°C 　 (2) For asphalt, the softening point of which is over 80°C, you should take glycerin as heating medium. +32°C~+160°C 　3. Temperature resolution: 0.01°C 　4. Stirrer: the stirring speed can be adjusted continuously. 　5. Heating rate: it will be adjusted to 5.0±0.5°C/ min automatically after three minutes 　6. Test result: It uses the LCD to show it and the printer to print it. 　7. Heating power: 600 W 　8. Computer communication interface: RS232C communication interface 　9. Cubage of beaker: 1000 ml 　10. Ambient temperature: The temperature should be less than 35°C and keep stable. There should not have any air draft. 　11. Relative humidity: no more than 85% 　12. Total power consumption: no more than 700 W III.More softening point tester: DSHD-2806E Asphalt Softening Point Tester DSHD-2806F Asphalt Softening Point Tester DSHD-2806G Automatic Asphalt Softening Point Tester DSHD-2806H Automatic Asphalt Softening Point Tester DSHD-2806I Fully-automatic Asphalt Softening Point Tester DSHD-2806J Fully-automatic Asphalt Softening Point Tester DSHD-2806 Asphalt Softening Point Tester