Gauges for measuring

Fig 16 Sketch of Thermal Neutron Transmission Gauge for Measurement of Charge Weight... 

You can use a pica ruler to measure space, but it is hard to find a type gauge for measuring type you must compare it to known type sizes. For example, in 10 point type, no character actually is 10 points high. 

FIG. 2.2. (Down) Tapered gauge for measuring tlie bore of small diameter and capillary tubes. Tliis gauge will give accurate readings when inserted in tubing witli straight cut ends. 

Radioisotope gauges for measuring mass per unit area (sometimes also called thickness gauges ) are unequalled in their performance and are used in almost every kind of industry in which sheet material is produced. In the paper industry, not only the mass per unit area of the paper sheet itself is measured by radioisotope gauges, the... 

Measurements are taken on the three principal joint directions and in 6-cm diameter boreholes. Each measurement point corresponds to two boreholes, both perpendicular to the joints and 20 cm apart (see Fig. 3). A pressure gauge for measuring hydrostatic pressure is placed in the first borehole and a vibrating wire extensometer is installed in the second in order to monitor deformation normal to the joint. This extensometer is positioned within a concrete cylinder. The deformation measurement is thus that of the cylinder with a 6-cm diameter and 50-cm length. The recorded deformations are then transformed into normal displacements by referring to the basic measurement length, i.e. the 15-cm extensometer length. 

Figure 9-19. Schematic of an RF plasma system for plasma polymerization (polymer film deposition) (1) RF generator, (2) plasma zone (3) heated window (4) engine (5) rotating substrates (6) flexible connection (7) air valve (8) vacuum valve (9) manometer, (10) cooled trap (11) vacuum pump (12) quartz gauge for measurements of the film thickness (13) photodiode (14) registration system (15) polymer deposition chamber (16) laser (17) argon tank (18) valve (19) dose valve (20) tank with a manometer, (21) manometer.

Fig, Equipment and strain gauges for measuring relative displacements to define the actual law of longitudinal resistance... 

Figure 1 is a front view of the completed apparatus and shows a gas cylinder attached. The apparatusisessentially self-contained, and requires only a 110-volt ac power source, a source of cooling water, a supply of liquid helium and an external wet-test meter. The apparatus incorporates vacuum equipment, two Pirani gauges for measuring vacuum, two coil-and-trap assemblies to contain the impurities and a fixed orifice for controlling flow in the apparatus. Stainless steel tubing is used wherever possible and all stainless steel connections are silver-brazed. The apparatus is assembled in a relay-rack cabinet with overall dimensions of 17 X 22 X 67 in. 

Keise - The name of the firm which manufactures the pressure gauges used to measure the water pressure in crossheaders at Hanford reactors. When speaking of a Heise the speaker is usually referring to the gauge for measuring water pressure at the reactor or to the actual monitoring procedure. 

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