Reading Laminate With Pin Type Moisture Meter
Pin type moisture meters measure the resistance between test pins inserted into a piece of wood or a building material and use that reading as a proxy for the object s absolute moisture level.
Reading laminate with pin type moisture meter. Moisture content for wood. It should be noted that readings above 27 nominal value of the fibre saturation point are indicative only. To do this simply push the pins in partially take a reading push them in a little more and take another reading repeating until you hit the moisture pocket in the wood or reach the maximum penetration depth of. Therefore all pin type wood moisture meters should ask the user to input the type of wood before taking a reading.
This allows you to evaluate the top and bottom of the board. The type of material the moisture meter is calibrated for is usually referred to as the meter s moisture reading scale. Wood pin meter mode vs. Others provide a variable depth reading usually the option to measure at and.
Moisture testing standards follow for several nalfa member companies. Wood laminate subfloor moisture standards kronotex less that 14 on wood subfloors shaw 12 maximum on wood using a wood pin probe meter mannington columbia mohawk quickstep unilin each state that subfloor moisture content may not exceed 12. However this is much harder to do when you re using a pin meter because pin meters only measure the moisture content between the two pins and nowhere else. Why this is important.
Non destructive measurement mode the two main types of moisture meter for measuring moisture content in wood are the pin type meter. Failure to account for temperature variations and a wood s chemical makeup will reduce the accuracy of even the. Pin type meters in particular have the advantage of being able to tell you the depth at which a moisture pocket in wood occurs. Whatever type of wood moisture meter you re using pin or pinless you ll need to take multiple readings to get an overview of the wood s moisture content.
The wetter the material the less ready it is to be sanded painted finished or covered. Pin type moisture meters are also sensitive to the chemical makeup of wood which varies from species to species. A large section 2 2 1 2 can be removed and sent to a laboratory analysis for moisture content. A pin type meter can be used by drilling two small holes for pin insertion into the core and checking at various depths to ascertain if the moisture is primarily on outer or inner surfaces of foam cores.
Moisture meters fall into two categories pin type and pinless.