Summary
  The instrument is designed and made as per GB/T4507 Standard Test Method for Softening Point of Bitumen of national standard of People’s Republic of China , T0608 Softening Point Test (Ring-and-Ball Apparatus) in the industrial standard of People’s Republic of China JTJ052 Specification and Test Methods of Bitumen and Bituminous Mixture for Highway Engineering and ASTM D36 Standard Test Method for Softening of Bitumen (Ring-and-Ball Apparatus). It is used  to determine softening point of petroleum asphalt, coal pitch, liquid petroleum asphalt, and various of asphalts. It can be widely used for asphalt manufacturing companies, highway and bridge construction companies, relative colleges and universities, and scientific research institutes.

I. Main technical features
1. This instrument adopts microcomputer to control the test. Automatically stir, linear heating, automatically get the result and automatically print the test result.
2. The beaker adopts high temperature resisting glass material. The sizes of steel ring and ball can meet test standards.
3. Small desktop structure. LCD display. Ligh touch panel. It can determine four samples at a time. Easy to use and results reliable.

II. Main technical specifications
1. Power supply: AC（220V±10％）V, 50Hz
2. Measurement range:
(1) Heating medium: distilled water(softening point ≦80 ℃) +5 ℃～+80℃
(2) Heating medium: glycerin (softening point > 80 ℃) 32 ℃～160 ℃.
3. Temperature resolution: 0.1 ℃
4.Test samples: It can do two samples or four samples.
5. Heating rate: it will be adjusted to 5.0±0.5 ℃/ min automatically after three minutes
6. Heating power: 600 W
7. Computer port: RS-232C communication port
8. Cubage of beaker: 900 ml
9. Ambient temperature: 15℃～35℃
10. Relative humidity: ≤85%
11.Maximum power consumption: 700 W
12.Dimension: 400mm×300mm×490mm (L*W*H)