Jenquip EC10 Manual de usuario
Made by
Handbook
EC10 Platemeter
Jenquip Pasture Management Soware is supplied with your platemeter on a USB
sck.
Contents
1. Introducon/ Important safety note
2. Assembly Instrucons
3. Top handle assembly instrucons /grooved rod extension
4. Operang the platemeter
4. EC10 Front Buon Displays
5. Zero calibraon
6. Start up/self test
6. Selecng the factory default formula
6. Other formulas
7. Seasonal variaons of formulas
8-9 Entering your own formula for displaying available covers
9-11 Using your platemeter/taking paddock readings (the pasture walk)
12. Soware
12. Maintenance
13. Replacing the baery
14-16 Fault nding
16. Servicing
1
Introducon
Congratulaons on the purchase of your EC10 Platemeter. This platemeter is a
highly engineered precision device for measuring the average height of pasture
relave to density of the pasture.
This is directly relave to the quanty of dry maer present (kilograms of dry mat-
ter – kg DM/ha).
Your platemeter will become an invaluable tool in your farming operaon for day-
to-day feeding decisions and long term feed budgeng.
Important safety note
Read and understand all the instrucons before using the platemeter. A copy of
this user guide can be downloaded from www.jenquip.co.nz or www.nzagriworks.
co.nz
Your platemeter is designed only for measuring pastures. Use it for no other
purpose (e.g. it is not a walking sck.) This platemeter has been manufactured
using quality materials and techniques, however, if faults do occur, have them
corrected before you use the platemeter.
Be careful around electric fences. Parts of the platemeter will conduct
electricity!
Store the plate correctly. Be careful that the wind does not blow the plate away. It
is not to be thrown.
Water blasng or submerging the unit will void the warranty.
!
Assembly Instrucons
The platemeter is supplied in three parts:
The plate
The plate sits on top of the pasture to establish average height and density. The
area-to-weight rao of the plate has been carefully calibrated.
The rod with meter
The grooved rod allows pasture to be measured in 0.5 cm intervals (clicks). The
rod includes the electronic meter.
The handle
Aach top handle to the rod. Ensure that the rod does not fall through the coun-
ter as this will damage the gear and void warranty.
2
3
Handle assembly instrucons
Screw top handle onto the top of the
grooved rod where it comes out of
the counter.
Put 4 drops of thread locker into the
female end.
Screw threaded rod extension into grooved
rod and do up rmly by hand,
wiping o any excess thread locker that may
have leaked out with a dry cloth. Do not use
tools as this will damage the grooved rod.
Refer to the handbook for zero calibraon
before use.
Grooved Rod Extension (for the
400mm model)
Turn upside down and slip o the O ring.
Operang the platemeter
Switching the unit on and o
The platemeter is switched on and o using the
black switch at the back of the unit. O is in the
‘down’ posion. When the unit is o there are no
numbers displayed on the LCD screen.
Rubber Bung
On/o switch
4
EC10
Front display buons
The funcons of the EC10 are dened by the four buons
on the front of the unit.
The words in BOLD type (see below) are the primary
funcons. Acvate by pressing the buon briey. Acvate
the secondary funcons (in normal type, see below) by
holding the buon down unl the funcon operates.
Up/Down arrows used to scroll back and forth in some opons
When the Count buon is pressed the number of readings is displayed.
A “C” will show on the le side and count on the right. Hold the buon
down to view menu of further opons.
Height displays the average height of readings in clicks (0.5cm).
Pressing Reset will save the average height to memory and reset all data
ready for the next paddock.
Press Display to show the current paddock number selected (1-100)
Press Enter to show the current paddock number selected (1-100)
Height
Reset
Count
Menu
Disp
Enter
Disp/Enter
Height/Reset
Count/Menu
Up/down arrows
5
Zero Calibraon
To ensure that the platemeter accurately measures the compressed height of the
pasture the platemeter must be calibrated. This requires seng a base level of
zero so that measurements can be benchmarked against this. If the counter does
not return to zero aer each “plonk” it will not record the measurement – hence
the counter will not beep.
If the counter is removed from the grooved rod or receives a severe knock it may
jump a groove on the steel sha which will put the counter out of calibraon.
It will need to be recalibrated.
To do this, work through the following steps:
1. Ensure the plate is fully down (place on a rm at surface) and the unit is
switched o.
2. Hold the “Count” buon while switching the unit on. The display will
change to “CAL” briey and display a colon (:) followed by a number. Let’s
assume you see “.5” when you switch on. Proceed as follows:
3. The colon signies that it is in ne calibraon mode. Remove the
protecve rubber bung by levering it out gently using a at-bladed
screwdriver. Use a at bladed screwdriver and
turn the plasc or steel sha within the cog
an clockwise, unl the display reads “0”.
NB: the cog and steel sha must remain
staonary. DO NOT TURN THE SHAFT BEYOND
THIS POINT OR YOU MAY DAMAGE THE
POTENTIOMETER. Once the counter reads
zero, move the counter up the full length of
the sha. The colon will disappear once it
passes 9 and enter “clicks” mode. At the full height the display should
read approximately “50” which is 50 half cenmetres. The counter has
now been calibrated successfully.
4. Switch o when you have nished, and then back on again without
pressing any buons.
5. Test the zero calibraon by raising and lowering the plate several mes.
A beep should sound and the kgDM/ha displayed as the plate falls. If it
does not, repeat the steps above and retest.
If calibraon fails to hold, then the potenometer, which the cog drives, may
be damaged and will need replacing. This can occur with excessive wear, oen
compounded by dust and dirt entering the dry bearing of the potenometer.
6
Start up/self test
Switch the unit on. It will beep and show “EC10” in the display panel. If the baery
needs recharging it will beep 3 mes and “lo” will display on the panel. The
current formula in use will be displayed next with the “+” part of the equaon rst
(default 500) and then the “x” part second (default 140).
The kgDM/ha calculaon will be displayed based on that formula and any other
readings stored in the memory.
To clear the readings, press and hold the Reset buon unl the display shows 0.0
The unit has one default plate equaon (built into the chip and cannot be replaced
or edited) and one custom (user editable) equaon. This equaon is typically used
in New Zealand between April and September.
Dairy Pasture (reasonably consistent rainfall areas height reading x 158 + 1000 •
= Cover (kg DM/ha)
Dairy Pasture (moderate rainfall periods height reading x 158 + 200 = Cover •
(kg DM/ha)
Sheep pastures: height reading x 158 = Cover (kg DM/ha)•
The platemeter also provides an opon for selecng your own equaon or those
recommended by consultants. Your platemeter will be set up for the Dairy NZ
recommended equaon for autumn/winter months.
Entering the Factory Default Formula
While the EC10 is switched on, hold down the ‘Formula’ buon. The display shows
‘F_ _ d’ Press the ‘Reset’ buon briey. The display will then show (500) and
then (140). The default formula has now been loaded and saved to memory.
To enter your own formula refer to page 10 “Entering your own formula”.
Other Formulas
To beer reect the growth stages of pastures these formulas were derived:
7
Seasonal variaons of formulas
1 Winter & early spring - before stem growth x125 + 640
2 Late spring & early summer - during stem growth x130 + 990
3 Mid summer x165 + 1480
4 Early autumn - before autumn rain x159 + 1180
5 Late autumn - aer rain x 157 + 970
DEXCEL also developed these month based formulas:
Months
(Southern Hemisphere)
Platemeter Equaons
Dairy Pastures
Winter (April/September) Platemeter Reading x 140 + 500
(Factory Default)
October Platemeter Reading x 115 + 850
November Platemeter Reading x 120 + 1000
December Platemeter Reading x 140 + 1200
January Platemeter Reading x 140 + 1200
February Platemeter Reading x 185 + 1200
March Platemeter Reading x 170 + 1100
Months
(Northern Hemisphere)
Platemeter Equaons
Dairy Pastures
Winter (October/March) Platemeter Reading x 140 + 500
(Factory Default)
April Platemeter Reading x 115 + 850
May Platemeter Reading x 120 + 1000
June Platemeter Reading x 140 + 1200
July Platemeter Reading x 140 + 1200
August Platemeter Reading x 185 + 1200
September Platemeter Reading x 170 + 1100
Some equaons may change without noce and are inuenced by
seasonal dierences. If you are unsure of the current equaon contact
your local consultant.
Entering your own formula for displaying available covers: changes
to the EC10
Displays “Available” cover required in some markets.
All the current features of the EC10 are sll there and funcon in exactly the
same way.
There is now an extra opon in the menu called “A---”
This is to allow the user to input a number that the platemeter will treat as a
negave number.
The procedure for entering a number here is done in the same way you would
enter a custom formula (same buons pressed.)
For example: if the current formula was (h x 140) + 500 and the negave num-
ber entered was 1,000, then the new formula would be: “available cover” in kg
= (h x 140) + 500 – 1000”
Where “h” equals the average height recorded by the platemeter.
Each model will leave the factory with the “A---” set at “0000”
This means that the EC10 will funcon straight out of the box exactly as they
do now and this feature will have no eect, unless acvated.
When the platemeter is switched on, it will display the default seng of:
140
500
0.0.0.0 (The decimal points will ash 3 mes indicang a negave, of any
number the user has entered and saved.)
Any changes to the formula will be retained and displayed next me the plate-
meter is switched on.
When the platemeter is used with a negave number acvated and the result
in kg of dry maer is < “0”, then the LCD will display “0000”. The platemeter
will sll beep with each plonk and connue to count. The hyphens will ash on
and o with each beep. An “Actual” negave number cannot be displayed.
A posive number result aer calculaon will sll show as a posive number
as normal.
8
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