Description
The Tilemaster Digital Hygrometer Substrate Moisture Tester is an instrument designed to indicate the moisture content of a subfloor in Relative Humidity (RH) prior to installing floor coverings. The subfloor can be considered dry when reaching the desired RH level and is within the parameters set out by Tilemaster for installation of the desired product.
The Tilemaster Digital Hygrometer is an easy to use, easy to read instrument, that provides accurate, non destructive Relative Humidity (RH) readings. The hygrometer is quick and easy to place, whilst also being easy to lift – ready to be used time and time again.
Advantages:
- Ready To Use
- Easy To Place & Lift
- Digital Readout For Accurate Relative Humidity % Readings
- Suitable For Cement Based & Calcium Sulphate Based Screeds
- Non-Destructive Test Method
Prior to testing:
Ensure the surface is free from all dust, dirt, oil, grease and any other contaminants that may affect adhesion of the Tilemaster Digital Hygrometer to the substrate. Contaminants on the surface may lead to false moisture readings being obtained.
All surface laitance must be removed from the substrate prior to beginning the test. Surface laitance that remains on the substrate may result in artificially low moisture readings as this layer of material will prevent full moisture escape from the substrate.
Screeds that are applied over underfloor heating must have the system commissioned and taken through its full thermal cycle prior to moisture testing. Underfloor heating systems must then be turned off 48 hours prior to the moisture testing taking place. Underfloor heating that remains turned on may result in artificially high moisture readings, as the underfloor heating system will drive moisture through to the surface of the substrate.
How to test:
Adhere the provided butyl rubber tape to the underside of the Tilemaster Digital Hygrometer around the perimeter of the box. Ensure that all tape edges meet in the corners to create an airtight seal between the substrate and the Tilemaster Digital Hygrometer. Place it onto the floor and press firmly into place, ensuring a good, solid bond has been achieved between the Tilemaster Digital Hygrometer and the substrate.
The Tilemaster Digital Hygrometer must remain turned off and allowed to reach equilibrium (consistent temperature and conditions) with the substrate before operation. Once sufficient time has passed, the unit can be turned on and moisture readings can begin to be taken. Please refer to the operating instructions datasheet linked below for the correct procedure for each moisture reading.
Click here to view this product on the manufacturers website.
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