Please use this alongside the technical manual. Values that can be obtained by entering the values are theoretical.
|Operating Environment||Windows XP or later, Microsoft Excel 2000 or later (recommended)|
*The operation may become unstable depending on the user environment
please note that this is outside the scope of Fukuda.
When gas/liquid flows through a fixed pipeline, its flow will differ depending on the length of the pipe, its relationship with and the pressure of the gas/liquid. There several types of flow, including turbulent flow, viscous flow, molecular flow and sharp-edge orifices.
|Contents||Corresponding textbook page*1||Download|
|The Leak Test|
|Ⅰ||1-1||Calculating level of Leak Rate (Turbulent flow)||P.4-6||ー||Under
|1-2||Calculating level of Leak Rate
(Viscous flow, Cylindrical tube model)
|Calculations can be carried out with
different conditions such as media or pressure.
|1-3||Calculating level of Leak Rate (Molecular flow)||P.10||Ⅱ P.26||Under
|Ⅱ||2-1||Relationship between Leak Rate and Detected Differential Pressure (Differential Pressure Type Air Leak Testers)||P.13-15||ー||Download|
|2-2||Relationship between Leak Rate and Pressure Drop Rate (Direct Pressure Type Air Leak Testers)||P.22||ー||Download|
|2-3||Internal volume Calculation||P.15||Ⅱ P.65-66
|Measure and calculate internal volumes by differential pressure air leak testers and calibrators|
|Ⅲ||3||Sensitivity calculation of the hydraulic submerge method (hole diameter where bubbles stop appearing)||ー||Ⅰ P.21-23||Download|
|Ⅳ||4||Unit conversion (g / y and Pa · m3 / s)||ー||Ⅱ P.37-38||Download|
*1: "T" refers to the Technical Manual; "I/II" refers to the Leak Test I/II (textbook).
Helium Collection Unit Selection Sheet
Use this when specifying the HES-2000 (helium leak test system) collection unit specifications.
|Helium Recovery Unit Selection Sheet||Download|
Selection of Recovery Tank
Calculation of Measurement Time (calculation of measurement time/required processing volume)
|Unit Conversion -Pressure||Download|
|Unit Conversion -Flow rate (leak rate)||Under