Moisture Meter
Purpose: Measures moisture content in materials like soil, wood, or grains.
Types:
- Resistive: Uses two probes to measure electrical resistance (higher resistance = drier).
- Capacitive: Measures dielectric constant without direct contact.
Common Applications:
- Agriculture (soil moisture monitoring)
- Construction (wood/drywall inspection)
- Food processing (grain, feed)
Key Components:
- Probes/sensors
- Analog-to-Digital Converter (ADC)
- Microcontroller (e.g., Arduino, ESP32)
- Display (LCD or LED)
Tips:
- Calibrate for specific material.
- Avoid prolonged probe exposure in corrosive soils.
- Use stainless steel probes for durability.
Note: Analog meters are low-cost; digital ones offer higher accuracy and data logging.