SMART SENSOR AR8407 Portable Multifunctional Water Quality Detector User Manual

1. Introducció

The SMART SENSOR AR8407 is a portable multifunctional water quality detector designed for precise and reliable measurement of various water parameters. This device offers high accuracy, stable operation, and ease of portability, making it suitable for a wide range of applications. It is capable of measuring dissolved oxygen, pH, nitrite, and ammonia nitrogen, providing clear digital readouts of the liquid's values.

This instrument is widely utilized in industrial processes, research laboratories, agricultural settings, medical applications, aquaculture, scientific research, and environmental protection efforts.

Figure 1: The SMART SENSOR AR8407 detector with its probe in a water sample, displaying measurement results.

2. Producte acabatview

2.1 Característiques clau

• Sensors d'alta precisió: Equipped with advanced sensors for accurate measurements.
• Multiple Parameters: Measures Dissolved Oxygen (DO), pH, Nitrite, and Ammonia Nitrogen.
• Mesura de la temperatura: Integrated temperature sensor with automatic temperature compensation (ATC).
• Emmagatzematge de dades: Manual recording capacity for up to 99 data entries.
• Esborra la pantalla: Large, high-definition backlit LCD for easy readability.
• Disseny portàtil: Compact and lightweight for convenient field use.
• Correccions: Salinity and altitude correction functions for Dissolved Oxygen.

2.2 Components inclosos

The standard package for the AR8407 includes the following items:

• SMART SENSOR AR8407 Main Unit
• External Dissolved Oxygen Probe (approx. 3.5m cable length)
• pH Reagents
• Tassa de mesura
• Manual d'instruccions
• Certificat
• Maleta de transport
• AAA (UM-4) Batteries (x4)

Figure 2: Contents of the SMART SENSOR AR8407 package.

3. Configuració

3.1 Instal·lació de la bateria

1. Localitzeu la tapa del compartiment de la bateria a la part posterior de la unitat principal.
2. Slide or unscrew the cover to open.
3. Insert four AAA (UM-4) batteries, ensuring correct polarity (+/-).
4. Col·loqueu la coberta del compartiment de la bateria amb seguretat.

3.2 Connexió de la sonda

1. Connect the external probe cable to the designated port on the top of the main unit. Ensure a firm and secure connection.
2. The probe is designed for direct immersion. Ensure the sensor tip is clean before use.

Figure 3: Main unit and probe assembly.

4. Instruccions de funcionament

4.1 Encès/Apagat

• Premeu el botó SET botó per encendre el dispositiu.
• Per apagar-lo, manteniu premut el botó SET botó fins que la pantalla s'apagui.

4.2 Selecció del mode

• Premeu el botó MODE button to cycle through the different measurement parameters: Dissolved Oxygen, pH, Nitrite, and Ammonia Nitrogen.

4.3 Dissolved Oxygen (DO) Measurement

Figure 4: External Dissolved Oxygen Probe.

1. Select the DO mode using the MODE botó.
2. Immerse the external DO probe directly into the water sample. The probe is equipped with a sampler for convenient water collection.
3. Allow the reading to stabilize. The device will display the dissolved oxygen concentration in mg/L and the water temperature in °C.
4. No reagents are required for DO measurement with this probe.

4.4 Mesura de pH

Figure 5: Reagents and measuring cup for chemical-based tests.

1. Select the pH mode.
2. Recollir una aigua sample in the provided measuring cup.
3. Afegeix 2 gotes of the pH reagent to the sample.
4. Gently mix and wait for approximately 30 segons for the reaction to occur.
5. Insert the probe into the treated sample and read the pH value on the display.

4.5 Nitrite Measurement

1. Select the Nitrite mode.
2. Recollir una aigua sample in the measuring cup.
3. Afegeix 1 level spoon of the nitrite reagent to the sample.
4. Gently mix and wait for approximately 2 minuts for the reaction.
5. Insert the probe into the treated sample and read the nitrite concentration in mg/L.

4.6 Ammonia Nitrogen Measurement

1. Select the Ammonia Nitrogen mode.
2. Recollir una aigua sample in the measuring cup.
3. Afegeix Reagent 1:3 i Reagent 3:3 (refer to specific reagent instructions for exact quantities if different from 3 drops each).
4. Gently mix and wait for approximately 1 minut for the reaction.
5. Insert the probe into the treated sample and read the ammonia nitrogen concentration in mg/L.
6. The device can also calculate toxic nitrogen based on the pH measurement.

5. Calibració

5.1 Dissolved Oxygen Saturation Correction

• The device supports 100% saturated oxygen calibration in air for Dissolved Oxygen measurements. Refer to the detailed instructions in the full manual for the calibration procedure.

5.2 Salinity and Altitude Correction

• The AR8407 allows for salinity correction (range: 0-42 ppt) and altitude correction (range: 0-3500m) to enhance the accuracy of Dissolved Oxygen readings in varying environmental conditions. Consult the detailed manual for adjustment procedures.

6. Gestió de dades

The AR8407 features a data recording function, allowing users to manually save up to 99 entries.

Figure 6: LCD display showing various readings and data storage options.

6.1 Desar dades

• After a stable measurement is obtained, press the DESA button to store the current reading.
• The display will indicate when data has been successfully saved.

6.2 Recuperació de dades

• Premeu el botó Recorda botó per view previously saved data entries.
• Use the arrow buttons (if available, or repeated presses of Recall/Mode) to navigate through the stored records.

7. Especificacions

8. Manteniment

8.1 Atenció general

• Keep the device clean and dry. Wipe the main unit with a soft, damp tela. No utilitzeu netejadors abrasius ni dissolvents.
• Store the device and probes in the provided carrying case when not in use to protect them from dust and damage.
• Eviteu exposar el dispositiu a temperatures extremes, llum solar directa o humitat elevada.

8.2 Manteniment de la sonda

• After each use, rinse the probe thoroughly with distilled or deionized water to remove any residue from the samples.
• Ensure the probe tip is not damaged. Handle with care.
• For prolonged storage, follow specific instructions for probe conditioning (e.g., keeping pH probes moist).

9. Solució De Problemes

9.1 Lectures inexactes

• Comprova la calibració: Ensure the device has been properly calibrated according to the instructions, especially for Dissolved Oxygen.
• Neteja la sonda: A dirty probe can lead to inaccurate readings. Clean the probe thoroughly.
• Reactius: For pH, nitrite, and ammonia nitrogen, ensure reagents are fresh and correctly applied.
• Sample Conditions: Comproveu que el sample is within the specified temperature and concentration ranges.

9.2 El dispositiu no s'encén

• Comproveu les bateries: Assegureu-vos que les piles estiguin instal·lades correctament i que tinguin la càrrega suficient. Substituïu-les si cal.
• Compartiment de la bateria: Confirm the battery compartment cover is securely closed.

9.3 Problemes de visualització

• Il·luminació de fons: If the display is dim, check if the backlight is enabled or if batteries are low.
• Condicions ambientals: Extreme temperatures can affect LCD performance. Move the device to a suitable environment.

If issues persist after following these troubleshooting steps, please contact customer support.

10. Garantia i Suport

Per obtenir informació sobre la garantia i assistència tècnica, consulteu la documentació inclosa amb el producte o poseu-vos en contacte directament amb el fabricant. Conserveu el rebut de compra com a comprovant de compra.