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ital Grain Moisture Analyser

It is based on capacitance date and time of measurement
variation technique. The instrument is displayed on LCD for a given
comprises of mainly an analog sample under measurement.
section and a digital section. For
controlling the complete functioning Salient Features
of DGMA, it uses power efficient,
high speed microcontroller (MCU) ¡¡ data storage capacity of 1000
chip. The sensing system is made records, and 100 plus crop cali-
up of capacitive transducer that brations can be customized
converts moisture contents into
an electrical signal. Presence of ¡¡ 2 *16 character alphanumeric LCD
a very small quantity of water with membrane keypad for user
causes considerable change in the interaction
dielectric constant of the sensor
cell. These moisture variations ¡¡ User friendly GUI for the conveni-
change capacitance and in turn ence of calibration (for new and
are measured in terms of frequency existing crops)
variations. These variations are then
further linearized and calibrated in ¡¡ Facility of offset correction for
terms of percentage moisture. The moisture and temperature read-
final result in terms of moisture ings against factory set calibrations
percentage, temperature of sample,
Power Saving Features
¡¡ Auto backlight off and auto power

off

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