paper moisture meter MD919 1) paper moisture testing, range:4%~40% 2) air humdity testing, range10%~80%Rh 3)resolution:0.5% Paper Moisture Meter Model: MD919Shenzhen Sanpo Instrument Co.,Ltd (A2) paper moisture meterMD919General featuresMD919MeasurementPaper Humidity & Air humidityBattery type1.5V AAA battery X 3DisplayLCDProduct dimension132*67*25 mmMoisture testing range4%~40% RhUnit weight95g ...