Thickness Gauging Accessories | Membrane Couplant | Cygnus Instruments

Thickness Gauging Accessories
Cygnus Instruments supply a variety of measuring devices and accessories to assist with the thickness measurement process. Our range includes:

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1–12 of 18 results

Silicone Grease

Supplied in a 50 gram tube with all gauges that are used underwater. Silicone Grease is used to ensure the water-tightness of the products. Please refer to the individual gauge manuals for instruction...
15 mm / ½” Test Block

This round test block is ideal for using to check your gauge is reading correctly before each use. A steel block is supplied in every gauge kit. They ...
Carbon Steel Calibration Step Block 5 – 25 mm

This block has round metal steps of 5mm, 10mm, 15mm, 20mm and 25mm, set in Perspex, ideal for calibrating a gauge when using a single crystal probe. It is supplied with a traceable dimensional certi...
4 Step Steel Test Block

Available in metric or imperial, the metric ranges from 2.5 to 20mm and the imperial from 0.1 to 0.75 inches both in 4 steps. This calibration block is supplied with traceable cer...
Cygnus Underwater Switch Assembly

Switch assembly for the Cygnus Underwater gauge.

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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 rin...
O Ring Pack

Packs of ‘O’ rings are available for the Cygnus Underwater gauge, Cygnus Mini / 1KM / 3KM ROV Mountable gauges and Cygnus 1 Intrinsi...
Replacement Lanyard For Cygnus Dive

Replacement ...
Screen Protector For Cygnus Dive

Screen Prote...
Spares Kit For Cygnus Rov Mountable Gauges

Spares kits available for Cygnus ROV Mountable 2,000m and 4,000m gauges.
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Membrane Couplant

Membrane couplant needs to be used between the membrane and the probe face. This creates a thin layer of oil that allows the ultrasound to pass through. A 25ml bottle of...
Probe Membranes

Cygnus single crystal probes have a protective membrane fitted in front of the probe face to protect it from damage during use on rough corroded surfaces. The membrane also helps th...