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These forum discussions refer

 

https://forums.outandaboutlive.co.uk/forums/Motorhomes/Motorhome-Matters/damp-meter/45483/

 

https://www.caravantalk.co.uk/community/topic/126005-damp-meter/

 

It depends on how much you are prepared to pay, how reliable you want the readings to be, what you want the meter for (eg. just to check your own motorhome or to perform ‘professional’ checks) and whether the meter’s operation will be ‘invasive’ or not.

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The Stanley Damp meter isn't the best, but gives reliable results in DIY use as it is easy to use and only £22.

That would be our recommendation, try Screwfix - https://www.screwfix.com/p/stanley-0-77-030-moisture-meter/44004

 

When professionals are doing a habitation check they tend to check the quick access areas, so make sure before you take it in to the workshop that access to all areas is easy or they may be 'skipped'.

 

When you are doing your own tests focus on the hard to access areas, as these are the ones that might have been missed in the past.

The Fridge area is occasionally a source of problems, often because of wash spray penetrating through the vents, so worth removing the vents and doing a check inside there both with a meter and visually. Especial check the floor below the vents.

 

 

 

 

.

 

1681560387_StanleyDampmeter.jpg.4acd508dfa2867e383e79fa100a1e510.jpg

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The problem with using ones Nose is that it only detects a smell of damp that has become severe with extensive damage already happening.

I have been in Motorhomes and Caravans that had no untoward signs, yet the water ingress was in the panelling.

 

Just read some of the old posts on here where people were surprised to hear there was severe water ingress on a habitation check.

 

Damp meters will tell you when it is starting, so you can resolve it before damage occurs.

 

Use them properly and regularly to help save a huge amount of money. For a £22 investment, that seems good value to me,

 

 

 

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aandncaravan - 2018-11-19 4:15 PM

 

The problem with using ones Nose is that it only detects a smell of damp that has become severe with extensive damage already happening.

I have been in Motorhomes and Caravans that had no untoward signs, yet the water ingress was in the panelling.

 

Just read some of the old posts on here where people were surprised to hear there was severe water ingress on a habitation check.

 

Damp meters will tell you when it is starting, so you can resolve it before damage occurs.

 

Use them properly and regularly to help save a huge amount of money. For a £22 investment, that seems good value to me,

 

 

 

Yes I agree. But even if its accurate, it just gives you a figure. How does an inexperienced person know whether that figure is OK or not?

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I glanced through the instructions for the Stanley 0-77-030 moisture meter referred to in Allan’s posting above and it has to be said that they were not crystal clear regarding interpreting the meter’s readouts.

 

Having said that, as any motorcaravanner considering purchasing a damp meter will quite likely have become ‘damp aware’ by reading about the subject on-line, it’s a small step to search on-line for guidance on how to obtain useful information from a damp meter.

 

A GOOGLE-search on “motorhome damp meter reading” retrieved the following results

 

https://tinyurl.com/y6uot26q

 

The Out&AboutLive website carries this article

 

https://www.outandaboutlive.co.uk/motorhomes/articles/practical-advice/the-importance-of-motorhome-damp-checks

 

that includes the following advice

 

“METERS

 

You can pick one up for £10 online or in a DIY store although motorhome service centres use versions that are much more expensive. Most meters have prongs: Look for previous pinholes and stick the meter in these areas. If you do find damp consult a professional.

 

AVERAGE METER READINGS

 

Damp meters give reading indicating the presence of water expressed as a percentage.

• 0-15% are fine

• 15-20% needs attention

• 21-30% indicates remedial action is required

• Over 30% means structural damage and deterioration is occurring

Note that all wood contains moisture, the amount will vary depending on time of year and current weather conditions."

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