How do I clear a system alarm?
System alarms that display on the screen indicate the presence [...]
How do I return my unit for maintenance, or repair?
Prior to returning the unit, please contact our service administrator [...]
Are there any pre-calibration requirements?
Yes, before initiating Auto Calibration make sure the following requirements [...]
What is Auto Calibration?
Calibration is used to determine accurate calculation of leak rates [...]
What is the difference between inside-out leak detection and outside- in leak detection?
For inside-out leak detection, the test part can be filled [...]
How does the Helium Background Suppression Option function?
The MD-490S suppression feature will automatically correct for changes in [...]
How to Hold the Probe for Leak Testing | MD-490S
Hold the sniffer probe perpendicular to the test object. In [...]
How does the ZERO feature work?
The MD-490S Helium Leak Detector incorporates a zero feature that [...]
How to Detect Atmospheric Leaks in a Vacuum System
A high internal background is an indication that the system [...]
Vacuum Instruments Corporation is a pioneer in providing state-of-the-art leak detection solutions for diverse applications and industries. Our systems have ensured the safety and performance of countless products that we use in our daily lives from the cars we drive to the air conditioners in our houses, the pacemakers in our bodies, and the satellites we launch into space.
