Knurled Rings & Membrane Locking Ring Keys

Supplied with every single crystal probe, the knurled ring holds the membrane in place.

The membrane key is used to unscrew and screw in the locking ring which the membrane is fitted into.

Available as spares the part numbers are as follows:

Knurled Ring Assembly for 19 mm (3/4″) Probes 001-3705

Knurled Ring Assembly for 13 mm (1/2″) INOX Probes 001-3709

Knurled Ring Assembly for 13 mm (1/2″) Probes 001-3704

Knurled Ring Assembly for 6 mm (1/4″) Probes 001-3703

Cygnus 13 mm Knurled Ring Probe Comparison

Membrane Key for 19 mm (3/4″) Probes 001-2610

Membrane Key for 13 mm (1/2″) Probes 001-2611

Membrane Key for 6 mm (1/4″) Probes 001-2612