agratronix MT-PRO Manuale utente
Operators Manual
MT-PRO
Grain Moisture Tester
ENGLISH
DOCU-M0112 07-11
Introduction
i
THANK YOU for purchasing an AgraTronix product.
READ THIS MANUAL carefully to learn how to operate and service your
equipment correctly. Failure to do so could result in personal injury or
equipment damage.
THIS MANUAL SHOULD BE CONSIDERED a permanent part of this
equipment and should remain with the unit when you sell it.
RECORD SERIAL NUMBERS in the warranty section located on page
20-1. Accurately record all the numbers. Your dealer needs these numbers
when you need service or parts. If this manual is kept with the equipment,
also file the serial numbers in a secure place away from the unit.
WARRANTY is provided through AgraTronix for customers who operate
and maintain their equipment as described in this manual. The warranty
is explained in the warranty section located on page 20-1.
This warranty provides you the assurance that AgraTronix will back
its products where defects appear within the warranty period. In some
circumstances, AgraTronix provides field improvements, often without
charge to the customer, even if the product is out of warranty. Should the
equipment be abused or modified to change specifications, the warranty
will become void and field improvements may be denied.
If you do not understand any part of this manual and need assistance,
contact AgraTronix Customer Service at 1-800-821-9542.
All information, illustrations and specifications in this manual are based
on the latest information available at the time of publication. The right is
reserved to make changes at any time without notice.
Contents
ii
Page
Operation
Operating Conditions ........................................................................05-1
Operational Messages .....................................................................05-1
Moisture Limit Guidelines .................................................................05-2
Operating Procedure - Preheating ...................................................05-3
Operating Procedure – Normal Operation ........................................05-4
Average Test Results ........................................................................05-5
Select a New Grain Scale or Function .............................................05-6
Select a Different Language .............................................................05-6
Calibration Modes ............................................................................05-7
Select a Different Calibration Mode ..................................................05-8
Calibration Consideration / Limits .....................................................05-8
Adjust Calibration – Simple Option ...................................................05-10
Adjust Calibration – Advanced Option ..............................................05-11
Clear Calibration – Simple Option ....................................................05-12
Clear Calibration – Advanced Option ...............................................05-12
Display Temperature in the Cell ........................................................05-13
Turn on Backlight and Turn off Tester ...............................................05-13
Troubleshooting .............................................................................10-1
Service
Check Battery Power Levels and Replace Batteries ........................15-1
Clean the Tester ...............................................................................15-1
Warranty
Warranty ...........................................................................................20-1
Record Serial Numbers ....................................................................20-1
Manufacturer’ Contact Information
Manufacturer’s Contact Information .................................................25-1
Accessories ......................................................................................25-1
All information, illustrations and specifications in this manual are based
on the latest information available at the time of publication. The right is
reserved to make changes at any time without notice.
Operation
05-1
OPERATING CONDITIONS
Test cell and grain MUST be free of any condensation or surface
moisture. Moisture on grain or in test cell will cause high readings.
Very hot or cool grain will pick up moisture when it warms or cools. The
pressure cap of the tester can squeeze moisture from high moisture
grains, such as corn, into the bottom of the test cell.
Because grains are irregularly shaped and may not always pack the
same way in the test cell, minor variations in readings may occur. To
enhance accuracy, always take three (3) successive readings of the total
sample being tested and average the results. Empty and refill the tester
with new grain from the sample between each test.
The tester is most accurate when grain and tester are between 60˚F
(16˚C) and 90˚F (32˚C). The unit will, however, operate at temperatures
between 33˚F (1˚C) and 120˚F (49˚C). For best results, grain
temperature should not be below 40˚F (4˚C) or above 110˚F (43˚C). If the
grain temperature is 20˚F (11˚C) more or less than the temperature of
the unit, preheat the tester per instructions on page 05-3. Condensation
on the grain or test cell is best avoided by having the tester and grain at
about the sample temperature.
The environment to which a grain sample is exposed can appreciably
change its moisture content. Exposed to the open air, grain can gain or
lose 1% to 2% indicated moisture in only a few minutes. If a sample is to
be held for even a short time before being tested, it should be placed into
a tightly closed, air-tight container, such as a re-closable bag or jar.
OPERATIONAL MESSAGES
Symbol Definition
SYSTEM BATTERY LOW System battery needs replacing
MOISTURE BELOW LIMIT Moisture is below limit
MOISTURE ABOVE LIMIT Moisture is above limit
ERROR (---) Electronic Failure
NOTE: Contact Manufacturer if an ERROR message occurs.
Operation
05-2
MOISTURE LIMIT GUIDELINES - DISPLAY READING
SEE INSERT
OPERATING PROCEDURE – PREHEATING
IMPORTANT: If the temperature of the grain sample is 20˚F (11˚C)
more or less than the temperature of the unit, preheat the tester and
test as follows:
PREHEATING PROCEDURE
1. Remove cap (A) and inspect test cell (B) to be sure that it is clean
and empty.
2. Press ON-OFF button (C) to turn on tester. The display (D) will show
ALWAYS AVERAGE 3 TESTS for approximately 7 seconds, then will
show ALFALFA (initial operation) or the name of the last grain tested.
3. When the grain to be tested has been selected using the SELECT
arrows (E), fill the test cell (B) even to the top of the cell with sample
to be tested.
4. Replace cap loosely. DO NOT TIGHTEN.
5. After 30 seconds, empty test cell and immediately refill with
fresh grain.
6. Replace cap (A) and tighten until pressure-indicator screw (F) is
flush with the top of cap (A). (Use “finger-flush” test as illustrated)
7. Immediately press TEST button (G). The words TESTING will be
displayed for about 10 seconds, while the tester compensates
for temperature. The moisture % and temperature will then be
displayed for about 10 seconds.
A - Cap
B - Test Cell
C - ON-OFF Button
D - Display
E - Select Arrows
F - Pressure-Indicator Screw
G - Test Button
Operation
05-3
Operation
05-4
OPERATING PROCEDURE – NORMAL OPERATION
1. Remove cap (A) and inspect test cell (B) to be sure that it is clean
and empty.
2. Press ON-OFF button (C) to turn on tester. The display (D) will show
ALWAYS AVERAGE 3 TESTS for approximately 7 seconds, then will
show ALFALFA (initial operation) or the name of the last grain tested.
3. When the grain to be tested has been selected using the SELECT
arrows (E), fill the test cell (B) even to the top of the cell with sample
to be tested.
4. (For Initial Test Only) Before tightening pressure cap, turn on tester
and allow tester to warm up for 30 seconds before attempting first test.
5. Replace cap (A) and tighten until pressure-indicator screw (F) is
flush with the top of cap (A). (Use Finger-flush test as illustrated.)
6. Immediately press TEST button (G). The words TESTING will be
displayed for about 10 seconds, while the tester compensates for
temperature. The moisture % and temperature will then be displayed
for about 10 seconds.
7. The tester will then return to displaying the name of the last grain
tested. Empty the test cell and refill with a fresh sample and test again.
NOTE: Take at least three readings of new grain from the sample
collected and average the results.
A - Cap
B - Test Cell
C - ON-OFF Button
D - Display
E - Select Arrows
F - Pressure-Indicator Screw
G - Test Button
Operation
05-5
AVERAGE TEST RESULTS
1. When testing grain, the test result
is displayed for about ten seconds.
During the period that the test
moisture % and temperature is
displayed, press the MEMORY
button (A). The tester will
acknowledge that it has entered the
reading into memory, by displaying
the current average and then the
number of stored readings. Up to
20 readings can be stored into
memory. If the maximum number
of readings has been reached,
the tester will not allow any more
readings to be stored.
NOTE: Averaging is stored for
one grain only. When a test for a
new grain is performed, existing
averaging data for the previous
grain is erased when the new
grain’s averaging data is taken.
Averaging data is retained even
if batteries are removed.
2. Press the AVG button (B)
to display the average of all
results entered for the grain
being tested.
3. To clear the averaging, press
the AVG button. The current
average will be displayed. Then
press the CLEAR button (C)
and the tester will then display
0.0% (0). This indicates that the
averaging has been cleared.
Operation
05-6
SELECT A NEW GRAIN SCALE OR FUNCTION
1. At start up, the tester will display,
ALWAYS AVERAGE 3 TESTS for
approximately 7 seconds, then will
display the name of the last grain
tested, such as CORN.
2. To select a new grain scale, press
either the up or down arrow on
the SELECT button (A) to index
forward or backward through the
grain (function) menu. The grains
are listed in alphabetical order
followed by other tester functions.
NOTE: To use other functions
included with the tester, push
SELECT button (A) up or down to
get desired function. Push TEST
button (B) to perform that function.
SELECT A DIFFERENT LANGUAGE
1. At start up, the tester will always display the name of the last grain
tested in the current language selected. (English is the default
language from the factory.)
2. To select a new language, press either the up or down arrow on the
SELECT button (A) to index forward or backward through the grain
(function) menu until the word LANGUAGE is displayed.
3. When LANGUAGE is displayed, press TEST button (B). The
current language selected will be displayed. Press either the up
or down arrow on the SELECT button (A) to index forward or
backward through the grain language menu until your choice of
language is displayed. The seven (7) languages (as displayed)
are: ENGLISH, SPANISH, GERMAN, FRENCH, ITALIAN,
SWEDISH and PORTUGUESE.
4. Press TEST button (B) again to return to the main grain menu, which
will now be displayed in the new language.
Operation
05-7
CALIBRATION MODES
This tester includes two different Calibration Modes. Please read
the description below to determine which calibration mode you
wish to use.
1. Simple Calibration Mode: In Simple Calibration Mode if you apply
an offset to a given grain the tester will simply apply that offset to the
displayed moisture regardless of the moisture content or range. This
means there is just a single offset that will be applied to the grain.
The calibration offset can also be adjusted at any time without having
to take a valid test. This is the default mode for the tester. Example:
You have tested two grain samples, one at 10%, and the other at
20%. You have retested the 20% grain and apply a 2% offset. If you
now retest the two samples the new results are as follows:
Original Moisture display with user offset applied
20% 22%
10% 12%
2. Advanced Calibration Mode: In Advanced Calibration Mode
you must first take a valid test before you can adjust the offset for
the tested grain. Once a test is taken and the offset is made, the
adjustment will only be applied to the moisture range of the grain just
tested. So if you are making large adjustments at higher moisture
levels, the offset that you apply will not affect the lower moisture of
the same grain. This means that multiple tests can be taken for a
grain at different moisture ranges and different offset can be applied
to each of the ranges. Example: You have tested two grain samples,
one at 10%, and the other at 20%. You have retested the 20% grain
and apply a 2% offset. If you now retest the two samples the new
results are as follows:
Original Moisture display with user offset applied
20% 22%
10% 10%
NOTE: Regardless of the mode selected (Simple or Advanced) each
grain can still be individually adjusted.
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