Lelesil engineers manufactures a wide range of measuring gauges in glass along with glass tube type with mercury which can measure the vaccum accurately. These high vaccum gauges are available in two basic models such as model manometer vg 3 specially made for routine in-line vacuum. This model of the high vaccum gauge is designed in a u-shape and is applicable in measuring vaccumranging from 560 mm to 760 mm hg [0 200 absolute]. The manometer vg3 model come as mounted in a table which can be used to connect in series in a vacuum applied system or device. The manometer comes with a unique advantage of repairing and replacing all the components. The company also provides with a model vg2 which can be wall mounted.