Accurate to within plus or minus 3%. The McLeod gauge is the most convenient and economical instrument for measuring low pressures from 1 micron up. The ACE McLeod gauge is offered in four ranges, so that it is possible to accurately measure any pressures between 1 micron and the highest reading on…

A tilting gauge with a constant zero overflow which eliminates the capillary-depression error from an expanding meniscus. Once the zero line of the scale is aligned with the tip of the closed capillary, it is only necessary to bring the gauge to an upright position and read the scale behind the…

Eliminates capillary depression error. Easily cleaned. Accuracy plus or minus 3%. A tilting gauge which maintains a constant overflow head of mercury and maintains capillary depression of the meniscus. Readings don't bounce. Removable and interchangeable measuring tube permits accurate…

A simple form of vacuum gauge, not mounted, but supplied with graduated scale. Mercury NOT supplied.

Includes a detachable heavy-duty probe with ¼" PS connector for liquid, air, oil and gas. Features min/max, hold, low battery indicator, auto power off and an RS232 computer interface. Comes ready to use in a foam-lined, hardshell carrying case with 9V battery and instructions.

Handheld Vacuum Gauges - Monitor Multipoint Vacuum Levels. Quick-connecting and Precise; Mercury-Free. Gain insight into your vacuum application with these portable, mercury-free gauges. Welch precision vacuum gauges are easy to connect - perfect for dynamic monitoring or leak troubleshooting.…