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Mcleod Vacuum Gauge comes with a hose nipple connection at the back for connecting the measurement point to the gauge. The Mcleod gauge is tilted (rotated) by 90° for measuring the vacuum readout. High purity mercury is provided along with giving precise results. The principle behind the McLeod Vacuum Gauge is as follows:
A reference column with reference capillary tube. The reference capillary tube has a point called zero reference point. This reference column is connected to a bulb and measuring capillary and the place of connection of the bulb with the reference column is called a cut-off point. (It is called the cut-off point since if the mercury level is raised above this point, it will cut off the entry of the applied pressure to the bulb and measuring capillary. Below the reference column and the bulb of a Mcleod vacuum gauge, there is a mercury reservoir operated by a piston. A known volume gas (with low pressure) is compressed to a smaller volume (with high pressure), and using the resulting volume and pressure, the initial pressure can be calculated. This is the principle behind the McLeod Vacuum gauge operation.
Features of Mcleod Gauge with Mercury:
- McLeod Vacuum Gauge has an Analog to Digital Scale Measurement
- The gauge can be rotated up to a maximum of 90 Degrees
- Precise Measurement
|Select Vacuum Range||1 to 0.001 mm. Hg, 10 to 0.01 mm. Hg|
|Warranty||No Warranty is provided since it is a glass based instrument & hence fragile|
|Dimension||170 X 10 X 30 mm|