What's New

Dubois

When inches and millimetres matter

March 18, 2024

Despite being of an age when we learned metric alongside imperial, I find it difficult to do the mental gymnastics to convert a foot into centimetres. The grey cells are totally overwhelmed when I’m...

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Dubois

A lesson in Critical thinking..

March 14, 2024

Socrates would have been proud of us last week.. The level of discussion and uncertainty that ensued over what appeared to be a simple question evolved into multiple email chains that deserved to be discussed...

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Dubois

Understanding the requirements

January 24, 2024

It’s a common occurrence - we receive a request for pricing to measure a parameter or series of parameters on telemetry. But to do our job properly and give you the best service we need more information,...

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Van Walt News

Spot measurement v. continuous environmental monitoring

August 25, 2023

Environmental monitoring has developed considerably over the years. From the time when a consultant went out monthly or quarterly with a dip tape to monitor the groundwater level in a borehole, wind forward...

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Van Walt News

Measuring Nitrates (NO3, NO3-N) in the field

June 20, 2023

The interest in Nitrates is nothing new. One way or another we have been measuring them for half a century.

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Van Walt News

Save time, save money, save effort, get better results – use low-flow sampling…

June 1, 2023

A client recently contacted me to ask if we can repair their high flow purge pump and or sell then a new one.  They were using it for (among other applications) to purge a 70m deep bore 3 times for a...

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Full colour magazine containing in depth articles from our customers & contacts

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