What tool can be used to identify hidden moisture that may contribute to odors?

The moisture meter is a specialized tool designed to measure the moisture content in various materials, such as wood, drywall, and textiles. Identifying hidden moisture is crucial in odor control because excessive moisture creates an environment conducive to the growth of mold, mildew, and bacteria, which can produce strong, unpleasant odors.

Moisture meters can provide immediate readings about the levels of moisture in different materials, helping technicians locate areas where water intrusion or leaks may have occurred and thus contribute to odors. This information is essential for effective remediation efforts because it allows for targeted drying processes and the prevention of future odor-related issues.

The other tools listed, while useful in different contexts, do not specifically measure hidden moisture in materials. A thermometer measures temperature, a pH meter assesses acidity or alkalinity, and a humidity gauge indicates the amount of moisture in the air rather than in solid materials. Therefore, the moisture meter is the most appropriate tool for identifying hidden moisture contributing to odors.