Apera Instruments EC820 Benchtop Conductivity Meter Kit

1. Pengenalan dan Selesai Produkview

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. Langkah-langkah Keselamatan

• 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.
• Gunakan hanya penyesuai kuasa yang disediakan.
• 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.
• Putuskan sambungan kuasa sebelum membersihkan atau melakukan penyelenggaraan.

3. Kandungan Pakej

Sahkan bahawa semua item yang disenaraikan di bawah terdapat dalam pakej anda:

• Meter Kekonduksian Atas Bangku Ketepatan EC820
• 2401T-F Platinum Glass-body Conductivity Electrode
• Flexible Electrode Arm and Holder
• Kabel USB
• PC-Link Software Flash Drive
• Power Adaptor (Input: 120V AC 60Hz; Output: 9V 300mA)
• Calibration Solutions:
  • 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. Persediaan

1. Unpack the Meter: Keluarkan semua komponen dari pembungkusan dengan berhati-hati.
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. Sambungkan Kuasa: 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. Kuasa Awal Hidup: Press the power button to turn on the meter. The LCD display should illuminate.

5. Arahan Operasi

5.1. Penentukuran

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. Rinse Electrode: 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. Masukkan Mod Kalibrasi: With the meter on, press the CAL button. The display will show "CAL" and prompt for the first calibration point.
4. First Point Calibration: 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 MASUK untuk mengesahkan.
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. Exit Calibration: After completing desired calibration points, press the MEAS button to return to measurement mode.

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

5.2. Pengukuran

1. Rinse Electrode: Bilas elektrod dengan air suling.
2. Immerse Electrode: Immerse the electrode into the 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. Record Reading: Read the Conductivity (EC), TDS, Salinity, or Resistivity value displayed on the large LCD. Temperature will also be displayed simultaneously.
5. Tukar Unit: Tekan ke UNIT button to cycle through different measurement units (e.g., µS/cm, mS/cm, ppm, ppt).
6. Penyimpanan Data: The meter supports GLP data management with 500 groups of data storage. Use the M+ / R-M buttons to store and recall data.
7. Eksport Data: 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. Penyelenggaraan

• Pembersihan Elektrod:
  • 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.
• Penyimpanan Elektrod:
  • 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.
• Pembersihan Meter: Wipe the main meter unit with a clean, damp kain. Jangan gunakan pembersih atau pelarut yang melelas.
• Kemas Kini Perisian: Check the Apera Instruments website periodically for any software updates for the PC-Link software.

Rajah 4: Jarak dekat view of the platinum glass-body conductivity electrode tip, which requires careful handling and proper storage.

7. Penyelesaian masalah

8. Spesifikasi

9. Waranti dan Sokongan

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 webtapak.

For assistance with troubleshooting, calibration, or general inquiries, please contact Apera Instruments customer service. Contact details can typically be found on their official webtapak atau dalam pembungkusan produk.

Sumber Dalam Talian: Apera Instruments Store on Amazon