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Wood Moisture Meter Design
Moisture Meters for Wood come in a variety of styles.

2 Pin Type Wood Moisture Meter:
This is the traditional type of moisture meter, that has two pins that are physically pushed into the wood to get an accurate reading. It is the best moisture meter for taking measurements on rough wood, where penetration into the wood is the only way to get an accurate reading (ie. at a sawmill or dry kiln where you are typically only testing rough lumber). You need to penetrate approximately 1/4 of the thickness of the wood to be effective.

There are two basic "pin type" wood moisture meter designs to think about:

  1. The most basic has pins that are screwed right into the body of the meter and you must manually force Protimeter Timbermaster Moisture Meter.the probes into the wood. It is guaranteed that you will break the odd pin or two so make sure that they are replaceable with screw-in type electrodes. This style is somewhat difficult particularly in dense hardwoods or in awkward locations. The Protimeter Timbermaster Moisture Meter shown here is great because it has the ability to use both solid mounted probes or as discussed below an independently mounted electrode.
  2. A more sophisticated version has pins and meter that are independently connected via a cable. Thus the Hammer Head Electrode For  Delmhorst Moisture Metersmeter can sit on the table and a hammer head is independently connected to the wood moisture meter via a cable. The hammer head helps in forcing the pins into the wood and in the more sophisticated models, can be set for depth of penetration. The pins are typically replaceable and screw into the foot of the hammer head probe. This is ideal if you wish to leave the probe and cable in place, say in a kiln and just carry around the meter when you want to test your wood.

Pinless Wood Moisture Meter:
This style is sometimes referred to as a nondestructive probe, as it does not require surface penetration to work. It uses sophisticated electronics to measure the amount of water in the wood. For this reason it is particularly effective for using as a moisture meter for hardwood floors or antique furniture. A sensing pad is pressed down firmly to a smooth wood surface to get a reading over approximately 2 square inches.. it is fast and easy but not a good choice if most of your requirement is to meter rough lumber as it must have good contact between the pad and the wood surface.

Today, many of the more sophisticated, and thus expense wood moisture meter designs include all of these features.

  1. replaceable probes mounted on the meter
  2. exterior jack for attaching an independent probe and hammer head electrode
  3. a sensing pad for quick easy surface metering.

Thus if you can justify the cost, buy a wood moisture meter that has all three features for maximum use and versatility.

Other Related Content
Wood Moisture Meter Features
General Discussion of Moisture Meters: Wood

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Products, specifications, and techniques shown are meant as a guide only.

Owners of this site assume no liability for and make no claim to the suitability of any products or information shown, other than to report history of usage, and sharing of knowledge from others.

It is the sole responsibility of the owner or installer to adequately test for suitability and application method for a particular installation.