Definitely n° 1 in a category of moisture meters dedicated to work in the field. The smallest on the market, pocket size. The product of the year! Dimensions - - 16.5 × 7.0 × 7.5 cm Weight of the device 520 g (with batteries and the tightening cap) Way of filling the chamber - - manual Method of humidity measurement - - impedance in 4 frequencies Sample’s capacity - - 90 ml Measurement control single system microcomputer Power supply - - 4 batteries 1.5V type AA + 1 battery 3V type CR-2032 Power intake - - from 30 to 72 mA w depending on the user’s settings Approximate time of continuous operation on one battery set - - 77 hours when backlight is set to 0% 54 hours when backlight is set to 30% Low battery indicator - - graphic Measurement resolution - - humidity – 0.1%, temperature – 0.1°C/°F Humidity measurement accuracy - - ± 0.5 % for normalized grain ± 1 % in the range up to 10 % of humidity ± 1.5 % in the range over 10 % of humidity and can increase if the sample’s humidity increases Temperature measurement accuracy - - ± 0.5°C in the range from 0°C to 85°C / ± 0.9°F in the range from 32°F to 185°F Temperature measurement range - - from 0°C to 125°C Correction of measurements - - using the keyboard – option “modification” Save data - - internal storage Internal memory capacity - - – 50000 measurements with date and time – 20 external temperature probes recognised automatically on the basis of ID number – 20 language versions – 400 species