Met One Instruments 80356-9800 Slow Release Leak Test Tool User Guide
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PURPOSE AND DESCRIPTION
When a leak test is complete, vacuum created by the system needs to be released. If the vacuum is released rapidly, filter tape fragments can be drawn into the flow path, causing the measurement detection system to be blocked or contaminated. This can negatively affect the instrument’s accuracy and function. The Slow-Release Leak Test Tool (80356) was designed to prevent this occurrence.
The Slow-Release Leak Test Tool utilizes an internal orifice to slowly release vacuum, following a leak test. This tool replaces leak check devices such as plugs and vinyl inlet caps.
The following instruments require the Slow-Release Leak Test Tool to complete a leak test:
- BC 1054
- Dilution Flow System (82480) requires the 3-inch tube, part 81885 to attach the Leak Test Tool to the inlet.
- BC 1060
- C-12
INSTALLATION
Firmly press the black inlet receiver end of the tool (shown on the right) onto the instrument’s inlet tube.
The photos below illustrate where to install the Slow- Release Leak Test Tool for each instrument listed in the Description section above.
SLOW-RELEASE LEAK TEST TOOL OPERATION
- Install the Leak Test Tool by sliding the black inlet receiver onto the Instrument’s inlet tube.
- Turn the valve lever to the closed or OFF position.
- Begin the leak test as per the instrument’s leak test procedure found in the operation manual.
- Follow the leak Test procedure for the specific instrument.
- When the leak test is complete, open the leak test tool by turning the lever to the open position or ON position.
Allow at least 10 seconds for the pressure to stabilize before removing the Leak Test Tool.
NOTE: Vacuum release times will vary based on the instrument type.
Documents / Resources
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