Please use this alongside the technical manual. Values that can be obtained by entering the values are theoretical.
*The operation may become unstable depending on the user environment please note that this is outside the scope of Fukuda.
1.Read the technical manual, and download the necessary calculation sheet(s).
2.Read the technical manual, and download the necessary calculation sheet(s).
3.The calculation result will appear on the red-font section.
Either use our inquiry form or contact our nearest officeregarding questions and inquiries about the calculation sheet.
If you require either the Technical Manual or Leak Test I/II (textbook, Japanese text only) in booklet forms, please contact our nearest office.
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 | CCorresponding textbook page*1 | Download | ||||
|---|---|---|---|---|---|---|
| Technical Manual | The Leak Test | |||||
| I | 1-1 | Calculating level of Leak Rate (Turbulent flow) | P.4～5 | ー | Under Construction |
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| 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. |
P.6～8 | Ⅱ P.25～26 | Download | |
| 1-3 | Calculating level of Leak Rate (Molecular flow) |
P.9 | Ⅱ P.26 | Under Construction |
||
| Ⅱ | 2-1 | Relationship between Leak Rate and Detected Differential Pressure (Differential Pressure Type Air Leak Testers) |
P.11～13 | ー | Download | |
| 2-2 | Relationship between Leak Rate and Pressure Drop Rate (Direct Pressure Type Air Leak Testers) |
P.20 | ー | Download | ||
| 2-3 | Internal volume Calculation | Measure and calculate internal volumes by differential pressure air leak testers and calibrators |
P.13 | ⅡP.65～66 （参考） |
Download | |
| 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 | ⅡP.21～23 | Download | |
*1: "T" refers to the Technical Manual; "I/II" refers to the Leak Test I/II (textbook).
Use this when specifying the HES-2000 (helium leak test system) collection unit specifications.
| Contents | Download |
|---|---|
| Helium Recovery Unit Selection Sheet Sheet 1 Selection of Recovery Tank Sheet 2 Calculation of Measurement Time (calculation of measurement time/required processing volume) |
Download |
| Contents | Download |
|---|---|
| Unit Conversion -Pressure | Download |
| Unit Conversion -Flow rate (leak rate) | Under Construction |