Maintenance And Care - AgraTronix 01210 Manual Del Operador

MAINTENANCE AND CARE

1. The Agratronix 1210 is a precision-built, electronic instrument. Do not
subject it to prolonged periods of heat, cold or excessive mois-
ture. Never immerse the 1210 in water or leave it out in the rain.
2. Your 1210 must be kept clean. When cleaning is necessary, wipe
the tester with a slightly damp cloth. Make sure to clean the elec-
trodes in the test chamber. Bearing in mind that your 1210 is de-
signed to detect moisture, cleaning should be done at least 12
hours before use.
3. If the digital display reads below 75.0 (7.5 volts) when the
"TEST" button is depressed, the battery must be replaced.
(See Battery Installation).
TEST PROCEDURE – SILAGE
1. Prepare tester for use by LIGHTLY unwinding the pressure control
knob counter-clockwise as far as it will go. The indicator mark (a
small dot on the top of the knob) should be pointed towards the dis-
play panel. IMPORTANT: DO NOT OVERWIND!
2. Remove a sample bag from storage compartment in tester and open
with a slicing action of your thumb and forefinger.
3. Select a representative sample of material to be tested (refer to Sam-
pling Procedure). Fill sample bag with as much material as possible,
gently compressing with your fingers.
4. Check that the bag seal is free from material. Pinch end of seal and
draw fingers across to close bag.
5. Make sure that the silage is uniformly packed and flattened in the
bag by gently patting and pressing between your hands. The pack
should be about 3/4" (20mm) thick.
6. Insert the sample pack into the test chamber and position it equally
spaced between the two electrodes on the bottom of the test chamber.
7. Apply pressure to the sample by turning the control knob clockwise,
carefully counting the number of turns. Continue turning and counting
until the yellow indicator band in the center of the knob appears and its
lower edge is level with the knob face. This indicates correct pressure.
Stop turning.
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8. Once the correct pressure has been reached, wait 20 to 25 seconds.
During this waiting period, press the "BATTERY" button to confirm that
the battery voltage is within the working limits. The digital display must
read more than 75.0 (7.5 volts) or the battery should be replaced.
9. Press "SAMPLE" button and record the log reading from the digital display.
The number of turns applied should be within the range of
4 to 5-1/2, indicating that the amount of material under test
is correct. REJECT ALL TEST SAMPLES REQUIRING
TURNS OUTSIDE THIS RANGE, OR FALSE READINGS
WILL RESULT.
For optimum accuracy, aim for 4-1/2 to 5 turns by packing
the bags accordingly.
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