Paper moisture tester: Measures humidity from 0.1% to 100% RH using electrode measurement, features automatic calibration and compensation for ambient temperature. Suitable for various paper types including writing paper, corrugated boxes, coated paper, and new paper. Resistance measurement: Equipped with a resistance-based humidity sensor and temperature sensor that provide precise readings, with paper moisture indicated as a percentage of weight. Versatile functionality: Designed for ease of use with multiple features, including a large LCD screen that displays real-time temperature and enables quick measurements in just 0.5 seconds. Rated IP20 for waterproof protection. High-definition LCD display: Provides clear readings without blur and includes a backlit feature for visibility in low-light conditions. Compact design: Facilitates rapid measurement with a rate of 0.5 seconds. Maintains high protection standards, suitable for ambient temperatures from -10 to 50°C and storage temperatures from -40 to 70°C.