Apera Instruments EC820 Benchtop Conductivity Meter Kit

1. Uvod i pregled proizvodaview

The Apera Instruments EC820 Benchtop Conductivity Meter is a high-precision instrument designed for accurate measurement of Conductivity (EC), Total Dissolved Solids (TDS), Salinity, Resistivity, and temperature. This meter is equipped with advanced features for reliable and stable readings across a wide range of applications.

This manual provides detailed instructions for the proper setup, operation, maintenance, and troubleshooting of your EC820 meter to ensure optimal performance and longevity.

Figure 1: Apera Instruments EC820 Benchtop Conductivity Meter Kit. The image shows the main meter unit, a flexible electrode arm and holder, and the conductivity electrode submerged in a beaker of liquid.

2. Sigurnosne mjere opreza

• Always handle the meter and electrodes with care to prevent damage.
• Do not immerse the main meter unit in water. The unit is IP54 water-resistant, but not submersible.
• Koristite samo isporučeni strujni adapter.
• Keep calibration solutions and samples away from children and pets. Follow safety data sheets (SDS) for handling specific chemicals.
• Ensure the meter is placed on a stable, level surface during operation.
• Isključite napajanje prije čišćenja ili održavanja.

3. Sadržaj paketa

Provjerite jesu li sve dolje navedene stavke prisutne u vašem paketu:

• EC820 precizni stolni mjerač vodljivosti
• 2401T-F Platinum Glass-body Conductivity Electrode
• Flexible Electrode Arm and Holder
• USB kabel
• PC-Link Software Flash Drive
• Power Adaptor (Input: 120V AC 60Hz; Output: 9V 300mA)
• Rješenja za kalibraciju:
  • 84 µS/cm (1 vial)
  • 1413 µS/cm (1 vial)
  • 12.88 mS/cm (1 vial)

Figure 2: The 2401T-F Platinum Glass-body Conductivity Electrode, showing its connection cables.

4. Postavljanje

1. Unpack the Meter: Pažljivo izvadite sve komponente iz pakiranja.
2. Assemble Electrode Arm: Attach the flexible electrode arm to the meter unit. Ensure it is securely fastened.
3. Connect Electrode: Plug the 2401T-F Conductivity Electrode into the designated "COND" port on the back of the meter. Ensure the connection is firm.
   

   Figure 3: Rear panel of the EC820 meter, highlighting the "COND" and "TEMP" ports, along with RS232 and DC 9V power input.

4. Priključite napajanje: Plug the power adapter into the "DC 9V" port on the back of the meter, then connect it to a standard 120V AC 60Hz power outlet.
5. Početno uključivanje: Press the power button to turn on the meter. The LCD display should illuminate.

5. Upute za rad

5.1. Kalibracija

The EC820 meter features 1 to 4 points auto-calibration. Regular calibration ensures accurate measurements.

1. Prepare Solutions: Use the provided 84 µS/cm, 1413 µS/cm, and 12.88 mS/cm calibration solutions. Ensure solutions are at room temperature.
2. Elektroda za ispiranje: Rinse the conductivity electrode thoroughly with distilled or deionized water before and after each measurement or calibration. Gently blot dry with a lint-free tissue.
3. Uđite u način kalibracije: S uključenim mjeračem, pritisnite KAL button. The display will show "CAL" and prompt for the first calibration point.
4. Kalibracija prve točke: Immerse the electrode into the 1413 µS/cm standard solution. Wait for the reading to stabilize (indicated by a stable icon on the display). The meter will automatically recognize the solution. Press ENTER potvrditi.
5. Subsequent Points (Optional): For higher accuracy, proceed with 84 µS/cm and 12.88 mS/cm solutions following the same procedure. The meter will guide you through the process.
6. Izlaz iz kalibracije: After completing desired calibration points, press the MEAS button to return to measurement mode.

Bilješka: The meter has a self-diagnosis function to help identify and fix common calibration problems. Refer to the on-screen prompts.

5.2. Mjerenje

1. Elektroda za ispiranje: Isperite elektrodu destiliranom vodom.
2. Uronjena elektroda: Uronite elektrodu u sample solution, ensuring the sensor is fully submerged.
3. Wait for Stability: Allow the reading to stabilize. The stable reading icon will appear on the LCD.
4. Čitanje zapisa: Read the Conductivity (EC), TDS, Salinity, or Resistivity value displayed on the large LCD. Temperature will also be displayed simultaneously.
5. Promjena jedinica: Pritisnite tipku JEDINICA button to cycle through different measurement units (e.g., µS/cm, mS/cm, ppm, ppt).
6. Pohrana podataka: The meter supports GLP data management with 500 groups of data storage. Use the M+ / R-M buttons to store and recall data.
7. Izvoz podataka: Connect the meter to a PC via the USB cable and use the provided PC-Link software (Windows-based system only) to export data.

6. Održavanje

• Čišćenje elektrode:
  • Regularly rinse the electrode with distilled or deionized water.
  • For stubborn deposits, refer to the electrode's specific cleaning instructions. Generally, a mild detergent solution or a specific electrode cleaning solution can be used, followed by thorough rinsing.
  • Do not scratch or damage the platinum black sensor.
• Skladištenje elektroda:
  • Always store the conductivity electrode in its protective cap filled with a proper electrode storage solution (e.g., 3M KCl solution or Apera Instruments storage solution). Never store dry.
• Čišćenje brojila: Wipe the main meter unit with a clean, damp tkanina. Nemojte koristiti abrazivna sredstva za čišćenje ili otapala.
• Ažuriranja softvera: Check the Apera Instruments website periodically for any software updates for the PC-Link software.

Slika 4: Krupni plan view of the platinum glass-body conductivity electrode tip, which requires careful handling and proper storage.

7. Rješavanje problema

8. Specifikacije

9. Jamstvo i podrška

Apera Instruments products are manufactured under an ISO 9001:2015 certified quality system, ensuring high standards of quality and reliability. For specific warranty information and technical support, please refer to the warranty card included with your product or visit the official Apera Instruments webmjesto.

For assistance with troubleshooting, calibration, or general inquiries, please contact Apera Instruments customer service. Contact details can typically be found on their official webmjestu ili pakiranju proizvoda.

Mrežni resursi: Apera Instruments Store on Amazon