Caravan Damp meters are the ultimate device to detect moisture in your touring caravan or motor home.
Damp in your caravan can cost you more than a missed holiday. Left unchecked, damp is one of the major dangers to any caravan. It can infiltrate your beloved vehicle causing significant damage and potential health risks, not to mention a costly repair bill.
Caravan Moisture is also often overlooked when purchasing a used caravan. So, when caring for your caravan, what can you do to prevent and protect yourself from damp?
A key bit of kit for any caravan owner is a quality damp meter.
Editors favourite Caravan Damp Meter
- Gives moisture reading based on electrical resistance across 2 pins
- LCD screen with dual measurement bar graph
- Measures moisture in wood from 6-44 Percent
- Measures masonry (mortar, concrete, plaster) moisture from 0.2 - 2.0 Percent
- Two detection pins (8mm length) to locate in material being tested
- Verifying Unit Calibration: There are 2 pairs of metal test sockets on the top of the cap, these can be used to test the moisture meter Touch the 2 probes to the metal contacts marked "T", the reading on the wood scale should be 19% ±1. Now touch the new probes to the 2 metal contacts marked "B", a indication bars should blink on the LCD display. If the moisture meter operates as mentioned above, the unit is working properly.
These techy devices will show you how much moisture you have in and around your caravan, recording the moisture levels between its two prongs.
First you should use your damp checker to take a moisture measurement. Readings on moisture meters will range from 0-35% moisture.
What Should The Moisture Content Be?
With a reading of 15-20% indicating a need to monitor moisture, 20-24% meaning you should definitely continue to test and check as there may be above average moisture present, 25-30% meaning that repairs are likely and 30+% meaning your caravan may need significant work.
While different factors such as humidity affect the reading, using a comparative analysis, this kit will provide a vital measure of moisture in your vehicle and will save you headaches down the road.
Remember, when using a damp meter it’s important to note down the temperature and weather conditions of the day, a wet or humid day will likely increase the moisture reading on your damp meter. Also map where you used the damp checker to measure moisture. Aim for a dry day and take a few readings to monitor any changes in moisture levels around your caravan.
Also vary the location of the reading, some readings around caravan roof lights, some readings around windows and others away from these areas.
Using a damp meter is a no-brainer really when you think of the thousands of pounds it could save you in expensive repairs. But which damp meter should you choose?
I’ve compiled the best meters on the market so you can save time and get straight to the one you need, read on to find out more!
Let’s take a look at these in some more detail:
Aoputtriver Wood Caravan Moisture Measurer
For an easy option try the Aoputtriver Wood Moisture Meter, this is a great small sized damp meter with 2 high precision pins that can measure to an accuracy of +1% in all corners of your vehicle.
This meter has some practical key features such as a two-year warranty, perfect if you want to keep checking your caravan for years to come.
It also comes with batteries included, a small thing, but for anyone worried about a potential damp problem knowing this product will be ready for use on arrival is a great reassurance.
The Stanley Moisture Meter – Carman.co.uk Editors Choice caravan damp meter
This is a well know tool brand in the UK and make everything from the Stanley knife to screwdrivers.
This caravan damp meter gives a reading based on the resistance of an electrical charged passed between two pins at the front of the moisture meter.
It has an LCD screen with a graph display.
It measures moister in your caravan between 0.2 and 2%. There are mixed messaged on Amazon regarding the batteries, however we are confident that it takes four AAA Batteries. These are included with the meter
Zoto Wood Caravan Moisture Meter
The Zoto Wood Moisture Meter is another great handheld meter offering accuracy and ease of use.
With a separate temperature measure that can be used while the protective cap covers the pins, this damp meter is properly multi-functional.
It also includes a carry case and is a pocket-sized device, which is great for storing your meter and getting into those small corners and nooks in your caravan.
Amgaze Handheld Damp Meter
This handheld damp meter and temperature monitor is a great option if you’re looking for an easy to use meter for a variety of materials.
With 4 modes for different types of wood and other building materials, you can be sure that this little meter has the kind of accuracy you need for all parts of your caravan.
Another great feature is the large backlit HD LCD display. You’ll be able to see readings from all over your vehicle, including harder to reach areas.
ETI Professional 7250 Damp/ Moisture Meter
Finally, you can’t get better than the ETI Professional 7250 Damp/ Moisture Meter. As the name suggests, this product is used by professionals and tradesmen.
It has 5 scales of measurement for greater accuracy in measuring woods, plaster, concrete and includes a reference scale.
The product includes a handy case for proper storage as well as 50 replacement pins. With a two-year warranty, this damp meter is built to last and well worth the investment.
So there you have it, the top damp meters on the market. My top three recommendations are:
· The Aoputtriver Wood Moisture Meter for a compact ready to use device.
· The Amgaze handheld for a large screen and 4 modes to choose from.
· The ETI Professional 7250 Damp/ Moisture Meter, for a professional meter with 5 scales for different materials and 50 spare pins.
Remember that a damp meter is a useful tool in checking the moisture in your caravan, it should be used alongside visual checks and if you have any concerns, or are pulling readings above 25%, you should speak to a professional.
For issues of caravan moisture see our article on moisture traps for caravans
Caravan Damp Meters – Frequently Asked Questions.
Q) How much damp is acceptable in a caravan
A) Above 25% you may have a problem. Below 25% you should check periodically. The higher the value below 25%, the more frequent you should check. Record your results.
Q) How do you test a caravan for damp with a damp meter
A) All caravan damp meters work slightly differently to each other. It is however usually just a case of holding the moisture meter against the wall of the caravan and reading the results on the display.
Q) How accurate are caravan damp meters
A) Each meter quotes how accurate the results will be as a percentage. These are however DIY tools. Should you consistently get results above 25% then you should get your caravan checked by a professional engineer.
Q) What is the best damp meter for motorhome.
A) The damp meters in this article are designed for use in caravans, motorhomes and buildings.
So, protect your caravan today and get yourself a reliable damp meter – you’ll thank yourself for it later!