Delmhorst F-2000 Bedienungsanleitung

F-2000

owner’s manual

WHEN ACCURACY IS THE POINT.

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TABLE OF CONTENTS

2 F-2000 Features

3 Before You Begin

3 Check Calibration

4 Change the Set-Point

4 Information About Your Readings

5 To Check Accumulated Readings

5 To Reset Meter

6 Taking a Reading

6 Testing Baled Hay

6 Testing in the Windrow

8 Factors Affecting Your Reading

8 Range of Moisture Content

9 Hay Temperature

9Curing

10 Density

10 Use of Preservatives

10 Sample Size

11 Care of Your Meter

12 Service For Your Meter

13 Warranty

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F-2000 FEATURES

h6% - 40% MC range

hDigital readout

hOn-screen statistics

hBuilt-in calibration check

hProven microcontroller circuit

hErgonomic case design

hIncludes (1) 9-volt battery

hThree year warranty

Digital Readout

Read Key

Calibration

Check Key

Set-Point

Key

Set Point

Decrease

Connector

DELMHORST F-2000

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BEFORE YOU BEGIN

Key Functions

!READ KEY - Reads the Percent Moisture

Content Value.

@CALIBRATION CHECK KEY - When pressed

with the read key checks the meter calibration.

It also displays the number of readings in mem-

ory (up to 100), the average, and the highest

stored reading. It also clears the memory.

#SET POINT (DECREASE) KEY - Acts as an

arrow (scroll) key when pressed after the set-

point key to decrease the set point to a lower

value.

$SET-POINT KEY - Displays the current set-

point. Also acts as an arrow (scroll) key to

increase the set-point value in 1% increments.

CHECK CALIBRATION

hRemove the probe from the top of the meter.

hPress and hold the read key !and check key @simulta-

neously. Meter is in calibration if it displays “12” (± 0.2)

If you check the calibration and the display does not read

“12,” it is likely an indication of a low battery. If this occurs,

replace the battery with a new one immediately. Continued use

with a low battery may cause the meter to go out of calibra-

tion. If you have a fresh battery and the instrument still does

not indicate an acceptable calibration, return it to

DELMHORST for service. See Service for Your Meter section.

A hard Reset is required if, after changing the battery, the dis-

play is frozen. This is sometimes caused by the interruption of

contact between the battery and battery lead wire. Resolve this

as follows:

Disconnect the battery. Press and hold the Read key for 15 sec-

onds. Release the Read key. Press and hold the Check key for

15 seconds. Release the Check key.

Connect a fresh battery to the lead wire in a single action,

making sure to align the poles properly and without interrupt-

ing contact. If the display remains frozen, repeat the proce-

dure. If this procedure does not solve the problem, refer to the

Service for Your Meter section.

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CHANGE THE SET-POINT

hTo change the set-point value press the set-point key $.

The meter will display the current set-point value.

hTo scroll forward to a higher value, hold the set-point key

$while the current value is displayed and scroll to the

set-point value desired.

hTo scroll backward through the set-point values, press and

release the set-point key $. Within one second press and

hold the set-point decrease key #.

hContinue to hold the set-point decrease key #and the

set-point value will decrease.

hWhen scrolling in either direction, release the key to stop

at your desired set-point.

If the meter reads a %MC value higher than that of the set-

point, a buzzer will sound.

INFORMATION ABOUT

YOUR READINGS

The meter will accumulate up to 100 readings in memory.

After all 100 readings are “stored” it will continue to dis-

play the number of readings, the average, and the highest as

a reminder that the memory is full. It will not add new read-

ings until the memory has been cleared.

hTo add a reading to the sum of all the previously stored

readings, release the Read key within 2 seconds. To avoid

storing a reading, keep the Read key depressed until the

electrode/prod is no longer in contact with the hay.

Readings below 6% will be displayed as .0 and readings

above 40% will be displayed as a flashing 999. Neither of

these types of readings will be added to your accumulated

readings.

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TO CHECK ACCUMULATED

READINGS

This feature allows you to view the total number of all

accumulated readings, the average of those readings, and the

highest stored reading.

hTo view the statistics press and release the calibration

check key @. First the meter displays the number of accu-

mulated readings for one second, then the average of those

readings for two seconds. Then it displays the highest

stored reading for two seconds. The total “cycle” time is

five seconds.

hTo erase all the accumulated readings, hold the calibration

check key @for more than 5 seconds until the meter dis-

plays “0”.

hTo keep the accumulated readings in memory, release the

calibration check key @before the total cycle time is

complete.

TO RESET METER

hPress and release the calibration check key @.

hWithin one second, press and hold the set-point decrease

key #.

hThe meter will reset itself and display “119.” This indicates

that the meter has been reset and that the set-point has

been set to its default value of 19%. It will also clear all

of the readings stored in memory.

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TAKING A READING

Testing Baled Hay

hConnect the bale prod to the connector on the top of the

meter.

hInsert the bale prod into the bale.

hPress the read key !The meter displays the %MC for

two seconds.

Notes

hThe bale prod is electrically insulated, except at the metal

points near the tip. The moisture content measured repre-

sents the hay in contact with the tip of the prod only.

hPartially cured hay may have wide variations in moisture

content throughout the bale. Readings should be taken in

several different parts of the bale and the highest readings

used as a guideline. The arrangement and compaction of

hay fibers in a bale may have an effect on meter readings.

hIf you are testing high density bales, we recommend using

the H-4 handle with the 830-2 10” prod, 830-3 18” prod,

or the 830-4 36” prod. Using the handle/prod combina-

tion eliminates stress on the instrument case that may

occur when trying to insert the prod into a high density or

large bale.

hWhen using the 36” prod, be sure to guide the prod into

the bale with one hand while pushing on the H-4 handle.

Testing in the Windrow

There are three ways to test moisture content in the windrow:

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Test A

hAttach the #831 short pin prod to the H-4 handle and

connect the handle to the external connector on top of the

meter.

hPrepare a representative sample by collecting hay from

various parts of the windrow.

hPlace hay in a non-conductive container (such as a 5 to 10

gallon plastic pail) and apply the short pin prod to the hay.

hPress the read key !and take a reading.

hMix the sample once again and take at least two more

readings. Use the highest readings.

Notes

hRepeat the steps above if considerable variations are found

in the meter readings. To reduce these variations, chop the

hay, mix it thoroughly and take several readings by follow-

ing the procedures above. This will make the moisture

distribution in the sample more uniform.

Test B

hAttach the #831 short pin prod to the H-4 handle and

connect the handle to the connector on top of the meter.

hApply the prod to the hay in the windrow.

hPress the read key !and take a reading.

hMake several tests on the hay exposed to the sun, then

turn the windrow over and make an equal number of tests

on the hay that had been closer to the ground. Use the

highest readings.

Notes

hMake sure that the points of the electrode are not touching

the ground. The electrode points should make contact with

the hay only.

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Test C

hSelect up to five large, slower-drying stems from a section

of the windrow.

hPlace them one at a time across two adjacent points on the

# 831 short pin prod.

hThe average of these stem readings should be about two to

five points higher than the actual moisture content.

Notes

hRepeat these steps in different parts of the field and pay

special attention to the areas where the hay is heaviest.

hThe amount of variation found among windrow readings as

well as the average stem moisture should be taken into

consideration before the decision is made to start baling.

FACTORS AFFECTING YOUR

READINGS

Because of the many variables that affect the electrical meter

readings, the indicated moisture content should not be used

as an absolute quantitative measurement. Meter readings are

very useful guidelines for the safe storability of hay.

Meter readings become more significant when they are

considered in the light of the density of the bales, anticipated

handling and storage, and prevailing climate conditions.

Range of Moisture Content

The F-2000 is designed to test moisture in hay over a range

of 6%-40%. Readings over 30% should be used only as a

qualitative indication of high moisture content. Delmhorst

moisture meters use the relationship existing between electrical

conductivity and moisture content in hay. As moisture content

increases, so does the conductivity.

Tests on hay at high moisture content, over 25%, are less

accurate. This is mostly due to the variability in moisture

distribution. The reduced level of accuracy in the high range

does not significantly affect the usefulness of the meter, as a

few high readings indicate that some action be taken to dry

the hay to avoid spoilage or even self-combustion.

While it is important to note the average of several readings,

it is even more important to note the high readings and the

frequency at which they occur.

F-2000 owners manualB&W_F-2000 owners manual out 1/11/13 11:31 AM Page 1

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