Maintenance
January 2023
•
Rev. 0
• Standard Devices User Manual
38
Maintenance
⚠
Warning:
Do not attempt to disconnect this device from any system which has been
pressurized without independently confirming that all pressure has been safely released
and that any hazardous gases which remain in that system have been purged.
Cleaning
Mass flow
and
pressure devices
do not require cleaning, provided that they flow clean, dry gas.
Liquid devices
should have filters in place to remove particulates or biological materials that may grow in the device. When
removing liquid devices from the line for an extended period of time, remove all liquid from the device to ensure no deposits of
calcium or other soluble minerals can affect the device.
If necessary, the outside of any device can be cleaned with a soft dry cloth.
⚠
Warning:
If you suspect that debris or other foreign material has entered your device, do not take
apart the flow body to clean it. Please contact support for cleaning (
).
Repair
If you find your device has malfunctioned in some way or appears to no longer work as intended, please contact Alicat support
(
) to perform maintenance. This device may only be serviced by certified Alicat personnel. Any attempt to improperly
dismantle and repair the device may void the warranty and may cause further device failure.
Recalibration
The recommended period for recalibration is once every year. A label located on the back of the device lists the most recent
calibration date. This date is also stored inside your flow controller and is visible by selecting
MENU
→
ABOUT
→
About Device
.
When it is time for your device’s annual recalibration, contact support (
) with your device’s serial number and your
contact information.
