From Teledyne Instruments

The technique of using a vacuum guard or barrier to thermally insulate a cryogenic or refrigerant tank is pretty obvious-remove the air from around an object and you remove the conductive heat transfer.
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Vacuum Gauges and Instruments
Vacuum gauges are devices for measuring vacuum or sub-atmospheric pressures.

Product Announcements
Gurley Precision Instruments - Gurley Model 4340 Automatic Densometer
Combination of low, standard and high pressure Gurley Densometers and smoothness testers Our flagship instrument. The Model 4340 combines the abilities of our textile, standard and high pressure... (read more)
Gurley Precision Instruments - Model 4320DN Digital Timing Attachment
The Model 4320 Programmable Digital Timer is designed specifically for all Gurley Densometers and High Pressure models. (read more)
Gurley Precision Instruments - AFFORDABLE PSEUDORANDOM ENCODER SYSTEM
The model VL18 combines the opto-mechanical simplicity and ruggedness of incremental scale construction with the remarkable advantages of pseudorandom encoding. (read more)
Instrumented Sensor Technology - Series Acceleration Recorders
The SnapShock Plus (SSP) series data recorders are compact, battery powered acceleration event recorders. The new generation devices offer several improved capabilities over the standard Snap Shock... (read more)

Topics of Interest

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Overview Two relationships of importance are: Polar 2nd moment of area I p = I xx +I yy, and the Parallel Axis Theorem, I z =I w +Ah 2, where I z is the second moment about axis ZZ, I w is...

PURPOSE: To demonstrate how pressure measurements can be made using All Sensors Digital Pressure Sensor with All Sensors Evaluation Board. For this Discussion Hyperterminal is used to acquire data...

A.1 Introduction In the study of transport phenomena in moving fluids, the fundamental laws of motion (conservation of mass and Newton s second law) and energy (first law of thermodynamics) are...

5.1 TURNING OPERATIONS Metal removal from cylindrical parts is accomplished using standard types of engine lathes or modern machining centers, the latter operated by computer numerical control...