Smart Sensor AR991 Grain Moisture Meter User Manual

1. Introduzione

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. Prodotto finitoview

2.1 Caratteristiche principali

• Campo di misura: Moisture 7.5% to 50%.
• Alta precisione: Double sensor design ensures precise measurements.
• Retroilluminazione LCD: Enables easy reading in low-light conditions.
• Allarme vocale: Provides audible notifications and alarms.
• Spegnimento automatico: Si spegne automaticamente dopo 15 minuti di inattività per preservare la durata della batteria.
• Grain Type Selection: Supports 14 types of grains.
• Data Hold: Blocca la lettura visualizzata per comodità.
• Deviation Adjustment: Allows for calibration adjustments.
• Funzione di memoria: Retains settings even after battery removal.

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

2.2 Componenti

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

Figure 3: Labeled diagram of the AR991 components.

3. Impostazione

1. Installa le batterie: 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. Istruzioni per l'uso

4.1 Accensione/spegnimento

• Per accendere: Premere e tenere premuto il tasto ACCESO/SPENTO button for approximately 2 seconds until the display shows "ON", then release.
• Per spegnere: Premere e tenere premuto il tasto ACCESO/SPENTO 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:

• Premere il tasto Varietà button to cycle through the grain types (P0 to P13).
• Premere a lungo il tasto Varietà button for 3 seconds to restore the default P0 mode.

4.3 Esecuzione di una misurazione

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. Il contenuto di umidità verrà visualizzato sullo schermo LCD.

4.4 Selezione vocale

The meter offers four voice modes:

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

Premere il tasto Voce 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:

• Premere il tasto Regolare button. Each press increases the value by 0.5%. The adjustment range is -3% to +5%.
• Premere a lungo il tasto Regolare button for 3 seconds to reset the deviation to 0%.

4.6 Alarm Setting (Limit Key)

IL Limite 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%.
• Premere il tasto Limite button to adjust the alarm threshold.
• Premere a lungo il tasto Limite button for 2 seconds to restore the default 10% set value.

5. Manutenzione

• Pulizia: 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.
• Magazzinaggio: 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.
• Sostituzione della batteria: 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. Risoluzione Dei Problemi

7. Specifiche

• Modello: AR991
• Campo di misura: 7.5% - 50% Moisture
• Precisione: 0.1% / 0.1
• Principio di misurazione: Resistance Method
• Display: LCD con retroilluminazione
• Spegnimento automatico: 15 minuti senza intervento chirurgico
• Supported Grain Types: 14 (Rapeseed, Sesame, Soybean Meal, Cotton, Soybean, Peanut, Barley, Rice, Sorghum, Watermelon Seed, Paddy, Wheat, Maize, Fodder, Jute)
• Peso dell'articolo: 410 grammi
• Dimensioni del prodotto (LxLxA): Dimensioni: 43 x 80 x 425 mm
• Componenti inclusi: Batterie

Figure 5: Dimensions of the AR991 Grain Moisture Meter.

8. Garanzia e supporto

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

Per i termini e le condizioni di garanzia specifici, fare riferimento alla documentazione di acquisto.