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CEM Timber Moisture Detector Pro

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The Pro CEM Timber Moisture Detector is an electronic dampness indicator with a measuring process working on the principle of high frequency.

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Product overview

The Pro CEM Timber Moisture Detector is an electronic dampness indicator with a measuring process working on the principle of high frequency.

This device is used for non-destructively testing dampness in building materials of all kinds as well as detecting for damp distribution in walls, ceilings & floors.

It is particularly suitable for pre-testing the readiness of building materials for covering prior to CM measurement.

• Quickly indicate the moisture content of materials
• CM% measured function
• Approx. 20-40mm depth of penetration
• Measure & HOLD function
• Max/min display function
• Alarm function
• Low battery indicator
• Auto power off
• White backlighting LCD display
• 1 Year Warranty

Size: W 23mm x D 25mm x H 160mm
Weight: 0.55kg

Measuring range: 0.0-100.0
Penetration depth: 20-40mm
Resolution: 0.1
Battery: 3 x AAA batteries
Gift box included

View Manual


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Questions and answers

0 votes
Could this moisture detector be used for masonry?
Yes it can. The included manual has a table which helps navigate different moisture statuses for different construction materials.
By Trade Tested on May 10 2023
0 votes
Will this Moisture detector confirm whether or not there is moisture in an interior gib wall or behind Monolithic cladding with a cavity?
Yes it will
By Trade Tested on February 17 2022

Overall rating

  • 5 star
  • 4 star
  • 3 star
  • 2 star
  • 1 star

Read reviews that mention

Good for personal use, not so sure it would suit a professional

Was able to take readings from various surfaces (bathroom tiles, drywall and straight timber). The surprise came from the variation in readings taken only a few mm apart from each other (hence 4/5 stars). The most inconsistent readings were seen in the wetter areas like bathroom tiles and drywalls on the other side of said bathroom walls. Drywalls in living areas were pretty consistent with higher readings closer to window frames (expected). The most consistent readings were obtained on pieces of raw timber that I had kept drying in the garage for a few years already. Overall happy with the product as it will provide me with a spot check method in the house, but I'm not sure the variations in readings will prove satifactory to a professional).

Francis G. Palmerston North
CEM Timber Moisture Detector Pro

This item is good at detecting “moisture”, but the readings are inconsistent. If you do the same area twice, within a few seconds of one another - you will get different readings. The values are also skewed if there is metal (ie screws or nails), which is really about 90% of the critical areas you are interested, so it will report higher values as a result. It is also very poor at corners- it says to stay 8-10cm away, which is kind of pointless to use for corners which is also another critical area for moisture. Furthermore there is no way to calibrate the values given (its 0 to 100 scale) with moisture content.

David S Auckland
No, I do not recommend this product.
Fantastic Budget moisture meter

I recently had my moisture meter lost or stolen, this was the only one around that had the features I needed for work at a reasonable price, while waiting for new equipment to come from Australia. Has been fantastic and provides me with the vital info I need for the insurance claims I deal with. Will eventually buy a few more as will be fantastic to have a few back ups.

Xtian007 Auckland
CEM timber moisture derector

It's great and we'll priced

Rahul Auckland