Telelin Instruments [India] manufactures Mc-Leod Gauges. Telelin Instruments [India] supplies measurement and control instruments like manometers, rotameters, pitot tubes, level indicators, sight flow indicators, etc. The Mc-Leod Gauges measures absolute vacuum at every stage.
The Mc-Leod Gauge is suitable for measurement of vacuum in the range: 10 mm. To 10-3mm of Hg. [i.E. 10 mm. To 0.001 torr] with stand & 1st Mercury. This gauge avoids use of a movable reservoir of mercury and also requires only about 14 cc. Of mercury for first filling. The total size of this gauge is about 9 x 6 inch.
