Draminski Twist Grain pro, Инструкция по эксплуатации

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56 CHAPTER 14 | TECHNICAL DATA
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