Van Walt Ltd | World-class equipment for environmental professionals

GA5000 Servicing

Take the stress out of managing your GA5000 service requirements and let us do the work for you. Contact us for more details.

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Introducing Thel-Mar

The Thel-Mar Volumetric Weir is a practical and economical measuring device used for measuring flow in partially filled pipes. Multiple sizes available, from 150mm to 400mm diameters. Compatible with Van Walt’s Data Collection systems.

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Meet Max and David

Max and David are our friendly faces on site who can often be found out and about installing equipment and carrying out pre site inspections. They have recently installed flumes with our telemetry solutions. Check out our latest project page to see what the team have been up to.

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Lunch and Learn

Want to know more about the considerations when designing a telemetry network, or best practices for using groundwater sampling equipment? We’ll be happy to share our knowledge and expertise with you, whether hosted at our offices, yours or online.

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PID and Oil Interface Meter

For monitoring of potentially hazardous wells and boreholes, we offer a combined rental package of a PID MiniRAE and a standard Oil Interface Meter (30 m with a 16mm probe) for the accurate measurement of hydrocarbons.

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Training Course

Our April training course is now fully booked! Why not join us for the Autumn course? An Introduction to Environmental Monitoring is a two day course covering various modules on water and soil monitoring. CPD points available.

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Characterisation and Classification of Soils

A practical guide to equipment and techniques for the classification, study, and areas for consideration when sampling hard and soft sediments. Download our new brochure here.

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How can we help?

GA5000 Servicing

Introducing Thel-Mar

Meet Max and David

Lunch and Learn

PID and Oil Interface Meter

Training Course

Characterisation and Classification of Soils

Latest Updates

Van Walt Guidelines for sampling for PFAS in Groundwater

Build, test, validate and then deploy

Understanding the requirements – Part 2

Sampling equipment does not need to be expensive