Moisture Meters

A moisture meter, also referred to as a damp meter or moisture reader, is a handheld instrument designed to measure the moisture levels present in a wide range of building materials. Whether assessing timber, concrete, plasterboard, or brick, these devices offer critical data for early intervention in moisture issues. In the construction, restoration, and manufacturing industries, the early detection of excess moisture can prevent structural damage, inhibit mould growth, and reduce costly rework.

RS New Zealand stocks a wide selection of moisture meters nationwide, including both digital and analogue types, to support applications ranging from property inspections to industrial drying processes.

Types Of Moisture Meters

Selecting the right moisture meter depends on the application environment, surface type, and desired accuracy. Broadly, these devices are available in three categories: Pin-type, pinless, and dual-function.

Pin-Type Moisture Meters

Pin-type meters operate by inserting two sharp metal probes into the material and measuring electrical resistance. Moisture, being conductive, lowers resistance. This reading is then converted into a percentage of moisture content. This type of moisture reader is ideal for getting highly localised readings and is commonly used in building applications.

Pinless (Non-Invasive) Moisture Meters

A pinless moisture meter works via electromagnetic wave emission, allowing it to detect moisture without damaging the surface. These are ideal for smooth, flat surfaces like finished timber flooring or plaster walls. The pinless option is preferred for non-destructive testing during inspections or quality assurance processes.

Dual-Function Moisture Meters

Dual-function devices combine both technologies, allowing users to toggle between pin and pinless modes depending on the surface or sensitivity of the material. These meters offer flexibility across a wider range of materials, making them suitable for professionals managing diverse field conditions.

Benefits Of Moisture Readers

Using a moisture reader helps ensure safety, longevity, and regulatory compliance across various sectors.

Key benefits include:

• Early Detection of Moisture: Prevents mould growth, rot, and structural weakening before visual signs appear.
• Supports Compliance and Documentation: Essential in restoration work and quality control processes.
• Minimises Material Waste: Helps assess material suitability before use, reducing errors and rejects.
• Protects Long-Term Investment: Regular monitoring ensures that installations remain within acceptable moisture thresholds.
• Fast and User-Friendly Operation: Most digital moisture meters feature intuitive interfaces and backlit displays, making them suitable for use in low-light environments.

Factors To Consider While Choosing The Right Digital Moisture Meter

To select the best moisture meter for your application, consider the following:

• Determine Your Needs: Identify the material types (wood, concrete, drywall, etc.) and measurement depth.
• Choose the Right Type: Pin-type for deeper penetration; pinless for surface scanning; dual-mode for flexibility.
• Consider Additional Features: Look for hold functions, alarm thresholds, calibration settings, or integrated memory.
• Budget: More advanced models come at a higher cost, but offer greater functionality and accuracy for professional use.

Applications Of Moisture Meters

Moisture meters are used in a wide range of industrial and commercial applications, normally alongside other measurement apparatus like thermometers and vibration sensors, to determine environmental conditions. Relevant industries include:

• Property and Construction: Essential during pre-purchase inspections and pre-flooring checks to ensure site readiness.
• Flooring Contractors: Verify subfloor moisture levels before installation to avoid warping and failures.
• Furniture Makers and Woodworking: Monitor timber moisture content to reduce the risk of cracking or deforming.
• Agriculture: Assess hay, grain, and soil moisture to optimise harvest timing and storage conditions.
• Restoration & Remediation: Identify and quantify water damage after flooding, supporting insurance claims and repair work.

The Trusted Supplier and Distributor of Moisture Meters in New Zealand

RS New Zealand is your reliable source for high-quality moisture meters, engineered for professional use across construction, property inspection, restoration, and industrial environments. Whether you’re detecting dampness in timber, concrete, or plasterboard, our range supports accurate, non-destructive moisture assessment.

We have a full selection of environmental test equipment including gaussmeters and leak detectors, as well as broader test equipment like multimeters, from established brands like Protimeter, FLIR, and RS PRO.

Browse and order online through the RS New Zealand website. For information on delivery options, lead times, and technical support, please refer to our delivery information page.