ULVAC VACUUM > Leak detectors > Leak detectors > Leak Tester HELIOT model 101
Leak Tester HELIOT model 101
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Conventional leak test methods include the water immersion test, air leak test and halogen test. However with the product quality improvements and production rationalization of recent years, users are demanding leak inspection equipment that provides more reliability, and uses smaller and simpler system devices. HELIOT model 101 is a helium-based specialized gross leak tester that provides an alternative to conventional test equipment. It is a high-precision, space-saving, low-cost model that can be customized with a wide range of features.
"Announcement on Problem of Our Calibrated Leaks During Air Transportation"
- Measurement of large leaks (gross leaks) that previously couldn't be measured using helium
Peripheral device control functions (system control functions) such as leak test system external valves
Use of helium gas for electrical measurement enables leak tests with high precision, stability and reproducibility.
Touch-panel display is easy to operate and read, making leak tests easy to perform.
Dry pump type is available (comes with built-in membrane pump).
- Quantitative tests replacing methods such as water immersion method : Automotive industry, air-conditioning/refrigeration industries, etc.
High-precision tests replacing air leak tests : Air-conditioning/refrigeration industries, electric appliance/electronics/semiconductor industries, etc.
High-precision tests replacing electrical tests, air leak tests : Food industry, pharmaceutical industry, etc.
| Model overview | Gross leak type |
| Sensitivity(Pa·m3/s) | 1 x 10-6 to 10+2 (The detectable levels characterizing actual measurement may vary with system configuration and test environment.) |
| Main pump/fore pump | Compound molecular pump/membrane pump |
| Sniffer pump | Membrane pump |
| Analyzer tube | Magnetic field deflection mass spectrometer tube |
| Operation | (1) Fully automatic startup (*1) (2) Automatic valve operation (3) Calibration leak automatic temperature compensation (4) Quick startup function (5) Zero tracking function (6) Self-check function |
| Leak rate display | Touch-panel display : Digital value readout display (Japanese kanji or English can be selected.) : Analog display (chart/graph display) |
| Leak rate alarm | Audio alarm is provided standard. |
| I/O | RS-232C |
| Printer (Centronics interface) | |
| Recorder (Linear : 0 to 10 VDC with range output; Analog : 0 to 10 VDC) |
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| External control I/O (device start/stop, test start/end, set points, etc.) (*2) |
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| Power supply | AC100V 150W standard |
| Safety standard | CE |
| External dimensions, weight | 260 x 480 x 260mm 14.5kg |
| *1 | Depending on system configuration and settings, some manual operations may be required (such as sensitivity calibration). |
| *2 | model 101 comes with external valve control signal I/O (system control functions). System can be widely customized according to individual customer needs. Contact ULVAC for more information. |
CAD data Download
At ULVAC, you can download CAD data (DXF files) for some of our products.(Internet Explorer Ver. 5.5 or newer)
Downloading is only available if you have completed User Registration (free).
Adobe Acrobat Reader (Ver.6 or a later version)is required to open PDF files.
Once we have received your registration, we will send you a password by email.
>> Caution <<
*This download system can be used with the common ID and password for ULVAC's website ulvac.co.jp/eng/.
* If you do not receive your password within 1 hour, please try registering again.
Please note that IDs and passwords are subject to change without notice.
If you are unable to access the download area with an ID and password
that you received in the past, please complete User Registration again to get your updated ID and password.
* Please note that DXF files and PDF files contain Japanese characters. Please also note that, depending on the PC/CAD environment,
files may not open, be displayed or be able to be used correctly.
* Please note that, because the conversion to DXF format is not
fully compatible, there may be problems such as garbled characters or layout misalignments.
* Due to product improvements, CAD data is subject to change without notice.
* ULVAC will not assume any responsibility whatsoever for any direct or indirect damages resulting from the use of this data.















