Manual pressure source

2001D type gas pressure source by air sealing materials, importpressure device and a connecting pipe, pressure making uniform,good air tightness, zero leakage, wide adjusting range, highresolution. The device has a filtering device, so it is not affected by pollution inspection table; is an ideal product for calibration of high-pressure gas, manual vacuum pumping can produce -0.098 MPa,manual pressure can produce 10MPa pressure, and can be carried to field use, mainly used to