Protimeter Grainmaster
Page 1
Introduction
The
Protimeter Grainmaster i
(integrated) is a versatile moisture meter for measuring
moisture and temperature levels in crops. It is used with a grinder compressor unit to
measure small samples of grain during harvesting and drying. Also, it can be used with
optional probes for monitoring the temperature and moisture levels of stored grain and the
moisture levels of baled hay and straw.
1 Product Features
The
Grainmaster i
is a hand-held instrument powered by one 6F22R 9V battery located in
a compartment on its underside. It incorporates a grain cell with retaining lugs for the
grinder-compressor unit, a liquid crystal display (
LCD
) and four buttons for selecting the
operational modes and taking measurements. There is a socket on the left-hand side of the
instrument for optional probes (see section 3 for details). The instrument is supplied with
the following auxiliary items (see photo):
•
Grinder-Compressor Unit
•
Grain Cup
•
Sample Spoon (10 ml)
•
Cleaning Brush
•
Quick Check
•
Pouch
•
Instructions
1.1 Display and Buttons
The
button is pressed to switch the instrument
ON
and to take moisture measurement
readings. The instrument has two primary modes of operation, selected by pressing the
button. In internal measurement mode, the instrument is used in combination with the
grinder compressor unit to measure a small sample of grain in the grain cell. The
and
buttons are then used to select the required crop calibration and to switch from moisture to
temperature displays. The instrument is used in external measurement mode when using
optional moisture/temperature probes.