KEDUODUO MD814 Digital Moisture Meter for Wood, Paper & Cardboard - Portable Humidity Tester with Induction & Microwave Technology (Blue) - Perfect for Construction, Flooring, and DIY Woodworking Projects

Model: MD917 (Wall)Induction principle: high frequency principleError: +(1%±1)Test range: 0~40%Resolution: 0.5%Power: 3x1.5V AAA batteriesDensity selection: 10 files optionalDimensions: 132x67x26mmUse environment:Temperature: 0~ 80%RhHumidity: minus ''5°C~40°CScanning depth 25 mmModel: MD918 (wood)Induction principle: high frequency principleError: (1%Rh+0.5)Test range: 4~ 80%Resolution: 0.5%Power: 3x1.5V AAA batteriesDensity selection: 10 grades of wood density optionalDimensions: 132x67 x 26mmUse environment:Temperature: -10°C~ 60°CHumidity: 0~70%RhScan depth: noneModel: MD919 (Paper)Induction principle: high frequency electromagnetic waveerror:Paper moisture:+(1%+0.5)Air humidity: (2%~ 5%Rh)Test Range:Paper moisture: 2% ~40%Air humidity: 10% ~ 80%RhResolution: 0.5%Power: 3x1.5V AAA batteriesDensity selection: 4 grades of paper types are optionalDimensions: 132x67x26mmUse environment:Temperature: 0°C~50°CHumidity: 20%~ 90%RhScan depth: noneNotice:Due to different measurement methods, there may be measurement errors.Due to the influence of light, the color may be slightly different from the actual product.