Smart Sensor AR991 Grain Moisture Meter User Manual

1. Introdución

The Smart Sensor AR991 Grain Moisture Meter is a precision instrument designed for accurately measuring the moisture content of various grains. It features a double sensor for high accuracy, an LCD backlight for visibility in dark environments, and a voice alarm function. This manual provides essential information for the safe and effective use of your device.

Figure 1: Smart Sensor AR991 Grain Moisture Meter in use.

2. Produto rematadoview

2.1 Características principais

• Rango de medición: Moisture 7.5% to 50%.
• Alta precisión: Double sensor design ensures precise measurements.
• Retroiluminación LCD: Enables easy reading in low-light conditions.
• Alarma de voz: Provides audible notifications and alarms.
• Apagado automático: Automatically shuts down after 15 minutes of inactivity to conserve battery life.
• Grain Type Selection: Supports 14 types of grains.
• Retención de datos: Conxela a lectura mostrada para maior comodidade.
• Deviation Adjustment: Allows for calibration adjustments.
• Función de memoria: Retains settings even after battery removal.

Figure 2: Key features of the AR991 Grain Moisture Meter.

2.2 Compoñentes

• Main Unit with LCD Display
• Metal Probes (Double Sensor)
• Probe Protection Cap
• Manexar
• Control Buttons (Adjust, Limit, ON/OFF, Varieties, Voice)
• Baterías (incluídas)

Figure 3: Labeled diagram of the AR991 components.

3. Configuración

1. Instalar baterías: Open the battery compartment and insert the included batteries, ensuring correct polarity.
2. Remove Probe Protection Cap: Carefully remove the protective cap from the metal probes before use.

4. Instrucións de funcionamento

4.1 Encendido/apagado

• Para acender: Manteña premido o ON/OFF button for approximately 2 seconds until the display shows "ON", then release.
• Para apagar: Manteña premido o ON/OFF button for approximately 2 seconds until the display shows "OFF", then release.

4.2 Selecting Grain Type

The meter supports 14 different grain types (P0-P13). To select the appropriate grain type:

• Preme o Varieties button to cycle through the grain types (P0 to P13).
• Mantén presionado Varieties button for 3 seconds to restore the default P0 mode.

4.3 Tomar unha medida

1. Ensure the correct grain type is selected.
2. Carefully insert the metal probes into the grain sample. Ensure the probes are fully immersed and stable.
3. The moisture content will be displayed on the LCD screen.

4.4 Selección de voz

The meter offers four voice modes:

• d1: Water content announcement.
• d2: High water content announcement.
• d3: Modo silencioso.
• d4: "Didi" sound notification.

Preme o Voz button to switch between these modes. Long press for 3 seconds to restore d1 mode.

Figure 4: The meter's speaker for voice announcements.

4.5 Deviation Adjustment

To adjust the measurement deviation:

• Preme o Axustar button. Each press increases the value by 0.5%. The adjustment range is -3% to +5%.
• Mantén presionado Axustar button for 3 seconds to reset the deviation to 0%.

4.6 Alarm Setting (Limit Key)

O Límite button is used to set a voice prompt value for moisture content. The default setting is 10%.

• The alarm setting range is 10% to 40%.
• Preme o Límite button to adjust the alarm threshold.
• Mantén presionado Límite button for 2 seconds to restore the default 10% set value.

5. Mantemento

• Limpeza: After each use, gently wipe the metal probes with a clean, dry cloth to remove any grain residue. Do not use abrasive cleaners or immerse the device in liquids.
• Almacenamento: Always replace the probe protection cap when the meter is not in use to prevent damage to the probes. Store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
• Substitución da batería: When the low battery indicator appears on the LCD, replace the batteries promptly to ensure accurate readings. The memory function ensures your settings are retained even during battery changes.

6 Solución de problemas

7. Especificacións

• Modelo: AR991
• Rango de medición: 7.5% - 50% Moisture
• Precisión: 0.1% / 0.1
• Principio de medición: Resistance Method
• Visualización: LCD con retroiluminación
• Apagado automático: 15 minutes of no operation
• Supported Grain Types: 14 (Rapeseed, Sesame, Soybean Meal, Cotton, Soybean, Peanut, Barley, Rice, Sorghum, Watermelon Seed, Paddy, Wheat, Maize, Fodder, Jute)
• Peso do artigo: 410 g
• Dimensións do produto (LxWxH): 43 x 80 x 425 mm
• Compoñentes incluídos: Baterías

Figure 5: Dimensions of the AR991 Grain Moisture Meter.

8. Garantía e soporte

For technical support or warranty inquiries, please contact the importer:

Consulta a documentación da túa compra para coñecer os termos e condicións específicos da garantía.