Ensures there are no air gaps between probe and the surface.
Available either in a 1 litre tub or a 118ml flip-top bottle (ideal for carrying on site). This ultrasonic couplant is a thixotropic, water-based, blue gel that is non-hazardous and essential when taking thickness measurements (although not needed underwater) as the couplant ensures that there are no air gaps between the probe and the surface being measured.
118ml Bottle, 1 Litre Tub
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