“Bedst liquid indicator on the market !!”

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We are delighted to receive such kind feedback from our customer Mick Jensen, of Studsgaard Safety in Denmark:

“Bedst liquid indicator on the market !! easy to use. quick and speedy yearly calibration & return. wonderful staff. Highly recommended.
We are thankful to Mick for sending us this happy picture above with his newly calibrated Portalevel MAX. We are dedicated to supporting our customer for the lifetime of their products.

Get in touch

You can reach us anytime via phone or email, we aim to respond to all enquiries within 24 hours (excluding weekends and bank holidays)


Come say hello at our Technical Laboratory.

Coltraco Ultrasonics
NETPark Research Institute
Joseph Swan Road
TS21 3FB

United Kingdom


Monday - Friday (excluding bank holidays) from 8:30am to 6:00pm, UK.

Tel (Sales & HQ): +44 20 7629 8475
Tel (Technical): +44 1740 618 240