Instruction Sheet
Thermo Scientific Orion Online Flow Cell
The Thermo Scientific Orion online flow cell, Cat. No. 2001FC, is designed to hold the
ROSS process pH electrode, Cat. No. 2001SC. The 316 stainless steel flow cell housing
ensures noise-free and corrosion-free operation.
1. Mount the bracket to a wall or panel.
2. Attach the flow cell to the bracket.
3. Assemble the electrode, electrode holder and O-ring before inserting them into the flow
cell cap (and ATC probe, if applicable). Refer to the electrode user guide for detailed
assembly instructions.
4. Insert the electrode and ATC probe into the flow cell cap.
5. Insert the flow cell cap into the flow cell. Align the cap using the lock screw.
Flow Cell
Sample
Outlet
(3/8 NPT)
Mounting
Bracket
Sample Inlet
(1/8 NPT)
Lock Screw
(to Position
Flow Cell Cap)
Reference
Filling Solution
Detachable
Electrode Cable
Flow Cell Cap
Reference Filling
Solution Bracket
Filling Solution
Tubing Assembly
Electrode
Holder
Holder
Screw
ATC Holder
Temperature
Probe (ATC)
Installation