Scope Automatic freezing point tester of petroleum products according to national standards gb / t510 "oil freezing point" provides design and manufacture. Features 1, large-screen lcd display, english prompts 2, keyboard control, easy to operate multi-mode control program 3, using the united states imported testing equipment, good stability, high sensitivity, high reliability 4, instruments and equipment imported to take similar detection device can detect trace samples, speed, and high reproducibility of the results 5, automatic freezing point tester using imported overlay compressor refrigeration systems, cooling speed, depth and temperature cooling effect are better than the same industry 6, reserved for usb communication interface with the host computer communication, ease of centralized management system consisting of Technical parameters 1, the unit of work: the two groups were detected were detected 2, the cooling temperature: + 50 ~ -45 ? 3, cooling method: imported compressor 4, trace detection: 4ml sample test 5, control: scm control 6, work: automatic measurement, automatic calculation results 8, total power: 800w 9, power supply: ac220v 50hz