Archive | Vacuum Pressure

List of Vacuum Pressure Measuring Devices [with formula]! 1. Mercury Manometers: These are of two types: i. Differential and Optical Lever Manometers, which are modifications of the ordinary mercury manometers, with more sensitive methods of observation and measurement. These are suitable for measurement of pressures up to 10-3 mm. ii. McLeod Gauge, which is a standard device of its type [...]