video review: https://youtu.be/ZNxrCv33jjs
 Kett PM-390 Moisture Meter
 Model: PM-390
 Manufacturer: Kett- Japan
 – Is a device used to measure the moisture of food ingredients PM-930 with code: Ver.4520
 – Applicable to measure foods such as: Rice, coffee, agricultural seeds, tea, beans...
 – The machine is simply designed, measuring operation is extremely simple.
 – Provides fast and highly accurate measurement results. Good stability
 – The machine is compact, can be moved easily, convenient in the process of measuring material moisture in many different locations.
 – Can measure moisture of up to 25 types of food.
 – Large LCD screen, displays parameters with LED lights.
 – Automatic shutdown feature to save battery power
 Technical specifications of Kett PM-390 moisture meter
 – Measuring range 1-40% (depending on the material to be measured)
 – Sample volume 240 mL.
 – Operating temperature range 0-40°C
 – Accuracy <Moisture> Standard error of 0.5% or less compared to the drying method (all products with moisture content below 20%)
 – Correction function <Mass> By built-in scale <Temperature> By thermoelectric Other functions Average.
 – Ability to automatically turn off the device to save battery.
 – Digital display (LCD) provides more accurate results.
 – Power supply battery (1.5V “R6” or “AA”, x4)
 – Power consumption: 240 mW.
 – Dimensions 125 (W) x 205 (D) x 215 (H) mm,
 – Machine weight 1.3 kg
 List of agricultural materials that the PM-390 can measure
 Long grain (LPAD); scale 9-35
 Long grain rice (LMR); scale 9-20
 Green Coffee 2004 (GREE); scale 4-30
 Green Coffee Arabica 2018 (GCAR); scale 4-25
 Robusta Green Coffee 2018 (GCRB); scale 4-25
 Dry Cherry Coffee (DRYC); scale 4-40
 Roasted Coffee (ROAS); scale 1-20
 Cashews (CASH); scale 2-14
 Black Pepper 1995 (PEPP); scale 4-20
 Black Pepper 2018 (BPEP); scale 5-17
 Corn (CORN); scale 6-40
 Barley (BARL); scale 6-40
 Wheat (WHEA); scale 6-40
 Soybean (SOYB); scale 6-30
 Large Sunflower (SUNL); scale 6-30
 Sunflower Medium (SUNM); scale 4-20
 Small Sunflower (SUNS); scale 6-20
 Peanut (PEAN); scale 4-20
 Green beans (MUNG); scale 6-30
 Beans (BEAN); scale 6-30
 Sorghum (SORG); scale 6-30
 Canola (CANO); scale 6-30
 Clove (CLOV); scale 6-20
 Black tea & CTC tea-large size (BT B); scale 0-15
 Black Tea-Small & Dust (BT S); scale 0-15
 Supplied with: Main machine; Accessories: Funnel, Manual Funnel, Brush, Batteries (size 1.5V “R6” or “AA”, x4), Operating instructions in English and Vietnamese.