7.0 MFS Maintenance
The MFS is a rugged instrument that with normal use does not require mainte-
nance.
8.0 Return Authorization
Should the need for service arise, please contact Bios International for a RMA
number prior to returning your MFS for service. You can telephone Bios at
(800) 663 4977 or (973) 492 8400, or email [email protected].
9.0 Shipment
When shipping the DryCal MFS please ensure that the packaging is adequate to
protect the instrument. When possible the DryCal MFS should be shipped in the
original packaging. Bios International is not responsible for damage that occurs
during shipment.
5
4
5.0 Operating Instructions
For Use as a Stable Flow Source
1
Turn all pneumatic toggle valves to the off (up) position.
2
Connect the MFS inlet on rear of unit to a clean, dry, oil-free compressed gas
source (150 PSI max.)
3
Toggle the 1K—2K valve to the on (down) position.
4
Set the First Stage regulator (80—100 PSI.)
5
Adjust the Second Stage regulator (30—60 PSI.)
6
Toggle the 1K—2K valve to the off (up) position.
7
Depending on the flow range selected, connect the flow measurement device
to the Low Flow Outlet (10—1,000 ccm) or the High Flow Outlet (1,000—50,000
ccm), located on the front of the MFS.
8
Select the toggle switch for your desired flow range and toggle it to on
(down.) Multiple toggle switches may be turned on simultaneously to obtain a
cumulative flow. Allow sufficient time for thermal stabilization of the selected
nozzles(s) (lower flows may take longer to stabilize.)
9
Vary the Second Stage regulator’s pressure to dial in the desired flow.
For Use as a Stable Pressure Source
1
Turn all pneumatic toggle valves to the off (up) position.
2
Connect the MFS inlet to a clean, dry, oil-free compressed gas source
(150 PSI max.)
3
Toggle the 1K—2K valve to the on (down) position.
4
Set the First Stage regulator (80—100 PSI.)
5
Vary pressure using the Second Stage regulator to select an appropriate
pressure for the External outlet.
6
Toggle the 1K—2K valve to the off (up) position.
7
Connect the flow measurement device to the External outlet located on the
back of the MFS.
8
Select the toggle switch for the External outlet and toggle it to on (down.)
Summary of Contents for DryCal Multiple Flow Source
Page 6: ...Notes...
