1. With the United States imported high precision pressure sensor and no oil vacuum pump. Low noise, high precision. 2.Imported electromagnetic valve and stainless steel vacuum container to ensure that equipment sealing performance, make the results more accurate and stable. 3.Liquid crystal display in Chinese, friendly man-machine interface, automatic test, has the function of test data statistical processing, micro printer output. 4.Set up according to the smoothness of the high and low three gears test more rapid and accurate.

Measure range	(1~9999)S
Timing accuracy Time	1000S
Vacuum vessels Big vacuum container	(380±1)ml
Small vacuum container	(38±1)ml
Contact pressure	(100±2)kPa
Vacuum accuracy	±0.07kPa
Dimensions	300×370×420mm
Weight	About 37kg
Power	AC220V,50Hz