A humidity meter, or moisture meter, is a device used to measure the quantity of water and moisture in a given object. Aside from this basic function, there are advanced types of humidity meters. These are typically used by experts in specific industries. These can measure the humidity, temperature levels of substances, and airflow. Humidity meters can also determine if a given substance is compatible to be employed in a given environment or industrial condition.
Typically a small and hand-held gadget, a humidity meter is fitted with a liquid crystal display (LCD) screen to show meter readings. These are usually of the kind of meters used to perform basic functions. There are likewise large moisture meters, however. These are used in planning large-scale projects to make sure that the equipment used can accommodate adjustments in humidity.
Broadening this discussion
A humidity meter can be used only for simple home inspections or basic laboratory and research experiments depending on the scope of applications the device is capable of doing. Testing of materials under controlled environments and analysing humidity levels are also carried out with the use of humidity meters. The information provided is used in identifying if a material is wet or dry, suitable for use, or requires further examination.
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In practice, the most common use of a humidity meter is to assess the moisture content of wood and concrete. Wood tends to modify its shape, shrink, and even crack when it dries, depending on the wood type and lumber species. That is why before wood is used to make furniture and other equipment, it is usually left to dry first. This is where humidity meters come in.
Woodworkers make use of the meter readings in order to identify the moisture content of wood and if it’s fit for use.
Carpenters and building inspectors analyse the moisture content to make sure the wood is consistent with the humidity of the region in which it’s like to be used. Problems in construction, such as buckling, cracked finishes, and sunken joints, can be minimized or avoided by proper moisture and humidity analysis.
It works in reverse of a humidifier by removing the condensation on surfaces typical of high humidity. When the relative humidity is high, the air is so saturated with moisture, it cannot absorb any more. Any moisture above the saturation level shows up as condensation.
Moisture or humidity detectors are capable of detecting even the small particles that can be obtained in concrete, for concrete. This includes the density and the chemical properties of concrete. The two are measured as they can greatly affect how concrete reacts when it is dry. How the moisture content of concrete reacts with the relative humidity of air around it is also analysed.