Farmex BHT-1 Manuel utilisateur

Owner’s Manual

BHT-1

Baler Hay Moisture Tester

Part No. 07150

Unpacking

1. The BHT-1 is comprised of a display module (A) with mounting bracket and

2 knobs, a 10 ft. power cable (B) with fuse, a 25 ft. shielded sensor cable

(C), and a moisture sensor assembly (D) with mounting hardware and drill-

ing template. The 2 sheet metal screws (j) for mounting the display module

bracket are packed with the moisture sensor assembly. Identify all parts

illustrated below in Figure 1 before beginning to install.

FIGURE 1

(A) (B)

(C)

(D)

Moisture Sensor

Assembly (D):

a. (2) Contact bolts

b. (1) Plate

c. (2) Sm. plastic bushings

d. (2) Lg. plastic washers

e. (6) Flat washers

f. (2) Lg. lock washers

g. (4) Lg. nuts

h. (2) Flathead bolts

i. (2) Sm. lock washers

j. (2) Sm. nuts

k. (2) Sheet metal screws

for bracket

l. Sensor cable

i j

c d e f g e

l e g

Installation of the Moisture Sensor

On a Conventional Square Baler:

1. Locate a ﬂat spot between 12” to 24” from the rear of the chamber, about

halfway up the side, on the UNCUT SIDE of the chamber.

NOTE: Readings from the cut side of the bale will result in greater

variations of readings and overall higher readings.

2. Tape the drilling template onto the ﬂat location and drill all holes, using the

drill sizes indicated on the template. File any burrs from the holes.

NOTE: The beveled (leading) edge of the sensor plate must face the

plunger (opposite direction of bale movement).

NOTE: The sensor plate must mount ﬂat and tight to the bale chamber

wall!

3. Mount the sensor assembly using hardware provided. Follow diagram in

Figure 2.

NOTE:

Make sure that two (2) electrode contacts (carriage bolts) are not

touching any part of the metal bale chamber, by using the insulating

bushings and washers. Secure tightly with one big nut on each bolt.

NOTE:

Make sure that the beveled (leading) edge of the sensor plate is

fastened ﬂat and tight to the chamber wall. Secure tightly with two (2)

ﬂat head bolts. (If the leading edge is not secured ﬂat and tight to the

wall, hay passing under extreme pressure will pry up the sensor plate.)

4. Assemble a ring terminal on the sensor cable to each contact bolt. Place

ring terminal between two (2) metal washers and secure tightly with the last

two nuts (see Figure 3).

5. Route the sensor cable to the hitch area of the baler so that it does not

interfere with any moving parts. Secure the cable with nylon ties or tape.

NOTE: Use attached plug cover tethered to connector to keep out dirt

and moisture!

On a Large Square Baler:

1. Use the same instructions as above, except we recommend that you add a

1/4” thick piece of strap iron in front of the sensor plate’s beveled (leading)

edge. This will provide additional protection to the sensor plate.

On a Round Baler:

1. Locate a ﬂat spot on the sidewall or tailgate, as low as possible to the bot-

tom, on either side of the baler. Use the same instructions as above.

NOTE: The beveled (leading) edge of the sensor plate must face the

pickup.

NOTE: Hay will begin to pass over the sensor as soon as approxi-

mately 1/4 of the bale is formed.

Installation of the Display Module

1. Select a location (a ﬂat surface) in the cab where the display can be viewed

while baling.

2. Using the mounting bracket as a template, mark and drill 3/32” pilot holes,

and secure the bracket with the two (2) sheet metal screws.

3. Mount Display Module to bracket with adjusting knobs.

4. Locate a positive (+) 12-volt power wire or terminal that is controlled by the

tractor’s ignition switch and attach the RED wire of the power supply cable

to it.

5. Attach the other wire of the power supply cable to ground (frame).

6. Plug the power cable connector into the Display Module’s 2-pin connector.

7. Plug the sensor cable connector into the module’s 3-pin connector.

FIGURE 2

FIGURE 3

Operating Instructions –

Button Functions (See Figure 4)

1. Moisture: Press Moisture button to turn meter on. The BHT-1 displays con-

tinuous moisture readings when turned on. The unit should display 00.0 if

the bale chamber is empty. The BHT-1 reads moisture between 8% and

40%. Readings below 8% are displayed as 00.0. Readings above 40% are

displayed a 99.9.

NOTE: The BHT-1 takes several readings before displaying their aver-

age every two seconds.

2. Backlighting: When the unit is on, press the Light button to turn backlight-

ing of the display on or off. When the module is turned off and later turned

on, it will remember the backlighting mode of when it was last operating.

3. Calibration Check and Reset: When the unit is on, press the Check button

to recalibrate the moisture circuit to the current conditions of the sensor and

its environment. The BHT-1 will automatically adjust to dirty sensor contacts

and the relative humidity inside the chamber. We suggest that it be common

practice to recalibrate the meter every time the unit is turned on.

If the bale chamber is empty, the unit will display approximately 12.0 after

recalibration, signifying correct calibration.

If there is an obstruction, such as a bale, in the chamber or if the sensor

electrodes are very dirty, the unit will display 99.9. If the bale is removed,

and the meter still reads 99.9, the electrodes must be cleaned. (See Care

and Maintenance). If the meter must be used before the electrodes can be

cleaned, the unit will still operate using its last calibration points.

4. To Turn Off: Press Moisture button.

FIGURE 4

Backlight

On/Off (Moisture) Calibration Check

Testing Procedure and Information

1. While a bale is being formed in the bale chamber, the BHT-1 reads and

averages several tests and displays these results every two seconds. Typi-

cally, moisture readings will vary several percentage points in a single bale.

Windrows are never the same moisture from top to bottom. Usually, they

will be wetter at the top, because of dew, or drier, because of sun and wind.

Usually, hay that is ready to bale varies less than hay that is not yet ready.

2. Continuous readings from the BHT-1 and other manufacturers’ meters will

usually be higher than reading from handheld, portable or probe testers.

The BHT-1 will probably read about 2-3 percentage points higher on aver-

age, and even higher for large, square bales, depending on conditions.

3. Do not be concerned that these differences exist. Rather, develop a feel for

an acceptable range of moisture for baling, based on your meter’s readings.

Establish an appropriate range by spot checking new bales with a portable

probe tester, such as a Farmex HT-Pro or DHT-1.

4. Hay moisture can vary considerably from one part of a ﬁeld to another. (See

Testing Information.) If the moisture range displayed by the BHT-1 increas-

es above your acceptable limits, stop baling and analyze the ﬁeld conditions

to determine why. You may not want to continue baling in this area of the

ﬁeld.

Variables Affecting Moisture Readings

Understanding the many variables that affect the readings of your BHT-1 will

help you get the most from your meter.

1. Field conditions: soil moisture, high or low areas, swales and shady areas

all affect hay moisture within the same ﬁeld.

2. Hay varieties, leaf-to-stem ratios, crop maturity and different cuttings con-

tribute to widely varying moisture distribution in hay plants.

3. Harvesting variables: bale density, windrow size and shape, time of day, hay

temperature and overall climatic conditions affect moisture readings. High

humidity with cloud cover contributes to more variations in moisture read-

ings than a dry, sunny day with a slight breeze.

4. Some preservatives increase conductivity initially. Until the preservative is

absorbed, usually in 1-2 days, it may cause readings to be 2-4 points above

the same hay which is untreated.

IMPORTANT: Because of the numerous variables which affect your

BHT-1’s readings, the indicated moisture content should not be used

as an absolute, quantitative measurement.Your tester’s readings are,

however, very useful guidelines for safely baling and storing hay.

Care and Maintenance

1. After each use (and especially after the harvest season), always remove

the Display Module (if it is not inside a dry cab) and store in a clean and dry

place.

2. Always use plug cover on sensor cable connector to keep out dirt and mois-

ture!

3. The stainless contacts of the moisture sensor should be kept clean for best

results. Clean with ﬁne steel wool and/or mineral spirits or alcohol. Dirty

sensor contacts can cause lower readings.

4. Check all nuts and bolts on sensor plate assembly and tighten, if nec-

essary. Make sure that the leading edge is secured ﬂat and tight to the

chamber wall.

Troubleshooting and

Warranty Procedure

1. If the unit will not turn on, it is not getting power. Check power cord instal-

lation and connectors. Check 2 amp fuse on power cable and replace, if

necessary.

2. If the meter displays 00.0 at all times (while baling), there is an open circuit

between the display module and the sensor. Check that the cable is not

damaged and that the connector is plugged securely. The connector may

be corroded and need replacing. Also check that the sensor cable ring ter-

minals are fastened tightly to the electrode posts. (The meter should still

read about 12.0 when recalibrated, even if there is an open circuit to the

sensor.)

3. If the meter displays 99.9 at all times (while baling), there is a short in the

sensor cable or at the electrodes. (The meter will not read 12.0 when reca-

libration is attempted, but will always display 99.9). Check for cable dam-

age.

4. If the meter displays 8.0 when the bale chamber is empty, electrodes are

dirty and need cleaning. (The meter will also read 99.9 when recalibration

is attempted, if electrodes are dirty.) Clean and recalibrate.

5. If all else fails, please read this manual again! Carefully.

Warranty

The Farmex™ BHT-1 Hay Moisture Tester is guaranteed to be free from

defects in materials and workmanship for one year from date of retail pur-

chase. This warranty does not cover the battery or damage resulting from

misuse, neglect, accident or improper installation or maintenance. This

warranty does not apply to any product which has been repaired or altered

outside the factory.

The foregoing warranty is exclusive and in lieu of all other warranties of

merchantability, ﬁtness for purpose and any other type, whether expressed

or implied. AgraTronix neither assumes nor authorizes anyone to assume

for it any other obligation or liability in connection with its product and will

not be liable for consequential damages.

ASK ABOUT OUR OTHER MOISTURE TESTERS

Ask your local retailer for more information

or call us direct at 800-821-9542.

TEN MODELS FOR GRAIN, HAY OR SILAGE

Windrow Hay Tester

• Test Hay Moisture Content

Right in the Windrow

• 13% to 70% Measuring Range

• Quickly Measures Loose Hay

and Forage from a Windrow

HT-Pro Hay Moisture Tester

• Calibration Clip Included That Calibrates

Electronics and the Probe Sensor

• 8% to 44% Moisture Range

• LED Backlit Display for Low Light

Operation

10375 State Route 43

Streetsboro, OH 44241 USA

(800) 821-9542 • 1 (330) 562-2222

http://www.agratronix.com

Desembalando

1. El BHT-1 comprende un mòdulo de muestra (A) con soporte de montaje y 2

dibujos, a 10 ft. cable de poder (B) con fusible, a 25 ft. cable sensor blindado

(C), montaje de sensor de humedad (D) con montaje hardware y plantilla

instructiva. Los 2 tornillos de metal (j) para montaje muestra el mòdulo de

soporte embalado con el montaje del sensor de humedad. Identiﬁcar todas

las partes ilustradas en Figura 1 antes de empezar a instalar.

FIGURA 1

(A) (B)

(C)

(D)

Montaje del Sensor

de Humedad (D):

a. (2) Pernos del contacto

b. (1) Chapa

c. (2) Sm. buje plàstico

d. (2) Lg. arandela plàstico

e. (6) Arandela plana

f. (2) Lg. A presión

g. (4) Lg. tuercas

h. (2) Perno cabeza plana

i. (2) Sm. A presiòn

j. (2) Sm. tuercas

k. (2) tornillo de metal

para soporte

l. Cable sensor

i j

c d e f g e

l e g

Manual del Propietario

BHT-1

Medidor de Humedad

Para Fardos de Heno

Part No. 07150

Instalaciòn del Sensor de Humedad

Sobre un fardo cuadrado convencional:

1. Ubìque un lugar plano entre 12” a 24” de la parte trasera de la càmara, a

medio camino, sobre el lado UNCUT de la càmara.

NOTA: Lecturas desde el corte lateral del fardo resultaran en variac-

iónes mayores de lecturas y, sobre todo, en lecturas superiores.

2. Grabe la plantilla de perforación en la ubicación plana y taladre todos los

agujeros, usando el taladro de tamaño indicado en la plantilla. Archive cu-

alquier zumbido de los agujeros.

NOTA: El borde biselado (principal) del sensor de la placa debe afron-

tar el émbolo (sentido contrario de circulación del fardo).

NOTA: ¡El sensor de la placa debe montar plano y apretado a la cá-

mara de pared del fardo!

3. Monte el sensor usando el hardware proporcionado. Siga el diagrama de la

Figura 2.

NOTA:

Asegùrese que los dos (2) contactos de electrodos (porta pernos)

no esten tocando ninguna parte de la càmara de metal del fardo, al usar

los bujes y arandelas aislantes. Ajuste con una gran tuerca cada perno.

NOTA: Asegúrese de que el borde de la superﬁcie biselada (principal)

de la placa del sensor se cierra plana y ajustados a la cámara de pared

Ajuste con dos pernos (2) cabeza plana. (Si el borde principal no esta

ajustado a la pared, el heno que pasa bajo extrema presión husmearà

el sensor de la chapa.)

4. Montaje de un terminal de anillo en el cable del sensor de contacto de cada

perno. Colocar el terminal de anillos entre dos (2) de arandelas de metal y

ajustar con las últimas dos tuercas (véase la ﬁgura 3.)

5. Guiar el cable del sensor de enganche a la zona de la agavilladora para

que no interﬁera con las piezas en movimiento. Asegure el cable con cinta

de nylon o lazos.

NOTA: Use adjunto tapas de enchufe atados para mantener fuera la

suciedad y la humedad!

Sobre un extenso fardo cuadrado:

1. Use las mismas instrucciones de arriba, excepto que te sugerimos añadir

un 1 / 4 “de grosor pedazo de correa de hierro al frente del borde del sensor

de la placa biselada (principal). Esto proporcionarà una protecciòn adicio-

nal a la placa del sensor.

Sobre un fardo redondeado:

1. Ubique un sitio liso en el lateral o en la puerta del maletero, lo más bajo

posible a la parte inferior, a ambos lados de la agavilladora. Utilizar las mis-

mas instrucciones que en el caso anterior.

NOTA: El borde biselado (principal) de la placa del sensor debe quedar

con la cara frente la camioneta.

NOTA: El heno empezarà a pasar por encima de los sensores tan pron-

to como se forme 1 / 4 del fardo.

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