1. Танилцуулга ба Бүтээгдэхүүн дууссанview
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. Аюулгүй байдлын урьдчилан сэргийлэх арга хэмжээ
- 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.
- Зөвхөн өгсөн тэжээлийн адаптерийг ашиглана уу.
- 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.
- Цэвэрлэх, засвар үйлчилгээ хийхээс өмнө цахилгааныг салга.
3. Багцын агуулга
Доор жагсаасан бүх зүйл таны багцад байгаа эсэхийг шалгаарай.
- EC820 Нарийвчилсан вандан дамжуулагчийн тоолуур
- 2401T-F Platinum Glass-body Conductivity Electrode
- Уян хатан электродын гар ба эзэмшигч
- USB кабель
- PC-Link Software Flash Drive
- Power Adaptor (Input: 120V AC 60Hz; Output: 9V 300mA)
- Тохируулгын шийдлүүд:
- 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. Тохиргоо
- Unpack the Meter: Сав баглаа боодолоос бүх бүрэлдэхүүн хэсгүүдийг болгоомжтой арилгана.
- Assemble Electrode Arm: Attach the flexible electrode arm to the meter unit. Ensure it is securely fastened.
- 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.
- Эрчим хүчийг холбох: 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.
- Анхны асаалт: Press the power button to turn on the meter. The LCD display should illuminate.
5. Ашиглалтын заавар
5.1. Шалгалт тохируулга
The EC820 meter features 1 to 4 points auto-calibration. Regular calibration ensures accurate measurements.
- Prepare Solutions: Use the provided 84 µS/cm, 1413 µS/cm, and 12.88 mS/cm calibration solutions. Ensure solutions are at room temperature.
- Угаах электрод: 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.
- Шалгалт тохируулгын горимыг оруулна уу: Тоолуур асаалттай үед товчийг дарна уу КАЛ button. The display will show "CAL" and prompt for the first calibration point.
- Эхний цэгийн тохируулга: 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 баталгаажуулах.
- 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.
- Гарах тохируулга: After completing desired calibration points, press the MEAS button to return to measurement mode.
Жич: The meter has a self-diagnosis function to help identify and fix common calibration problems. Refer to the on-screen prompts.
5.2. Хэмжилт
- Угаах электрод: Электродыг нэрмэл усаар зайлж угаана.
- Дүрслэх электрод: Электродыг s руу дүрнэample шийдэл нь мэдрэгчийг бүрэн живүүлсэн эсэхийг шалгана.
- Wait for Stability: Allow the reading to stabilize. The stable reading icon will appear on the LCD.
- Бичлэг унших: Read the Conductivity (EC), TDS, Salinity, or Resistivity value displayed on the large LCD. Temperature will also be displayed simultaneously.
- Нэгжийг өөрчлөх: дээр дарна уу НЭГЖ button to cycle through different measurement units (e.g., µS/cm, mS/cm, ppm, ppt).
- Өгөгдөл хадгалах: The meter supports GLP data management with 500 groups of data storage. Use the M+ / R-M buttons to store and recall data.
- Өгөгдөл экспорт: 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. Засвар үйлчилгээ
- Электродын цэвэрлэгээ:
- 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.
- Электрод хадгалах:
- 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.
- Тоолуур цэвэрлэх: Wipe the main meter unit with a clean, damp даавуу. Зүлгүүрийн цэвэрлэгч, уусгагчийг бүү ашигла.
- Програм хангамжийн шинэчлэлтүүд: Check the Apera Instruments website periodically for any software updates for the PC-Link software.
Зураг 4: Ойрын зураг view of the platinum glass-body conductivity electrode tip, which requires careful handling and proper storage.
7. Алдаа засах
| Асуудал | Боломжит шалтгаан | Шийдэл |
|---|---|---|
| Тоолуур асахгүй байна | Цахилгаан хангамж байхгүй; адаптер эвдэрсэн; холболт сул байна. | Check power adapter connection and outlet. Ensure adapter is functional. |
| Тогтворгүй уншилтууд | Dirty electrode; air bubbles on sensor; incorrect calibration; temperature fluctuations. | Clean electrode; gently tap electrode to remove bubbles; recalibrate meter; ensure sample temperature is stable. |
| Тохируулгын алдаа | Contaminated calibration solution; incorrect solution used; damaged electrode. | Use fresh calibration solutions; ensure correct solution for calibration point; inspect electrode for damage. |
| No data transfer to PC | Incorrect USB connection; software not installed or running; driver issues. | Verify USB cable connection; ensure PC-Link software is installed and open; check device manager for driver issues. |
8. Техникийн үзүүлэлтүүд
| Параметр | Үнэ цэнэ |
|---|---|
| Загварын дугаар | AI532 |
| Хэмжилтийн параметрүүд | Conductivity (EC), TDS, Salinity, Resistivity, Temperature |
| Дамжуулах чадварын хүрээ | 0 to 2,000 mS |
| Нарийвчлал | ±0.5% FS |
| Шалгалт тохируулгын цэгүүд | 1 to 4 points auto-calibration (84µS/cm, 1413µS/cm, 12.88mS/cm, 111.8mS/cm) |
| Температурын нөхөн олговор | Автомат температурын нөхөн олговор (ATC) |
| Өгөгдөл хадгалах | 500 бүлэг (GLP-тэй нийцдэг) |
| Холболт | USB for PC data export |
| Дэлгэцийн төрөл | Арын гэрэлтдэг том LCD |
| Эрчим хүчний хангамж | 9V DC, 300mA (120V AC 60Hz adapter included) |
| Нэвтрэх хамгаалалт | IP54 Усны хамгаалалттай |
| Гэрчилгээ | CE, RoHS, ISO 9001:2015 |
| Багцын хэмжээ | 10.63 x 9.88 x 6.61 инч |
| Жин | 6.5 фунт |
9. Баталгаат хугацаа ба дэмжлэг
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 webсайт.
For assistance with troubleshooting, calibration, or general inquiries, please contact Apera Instruments customer service. Contact details can typically be found on their official webсайт эсвэл бүтээгдэхүүний савлагаанд .
Онлайн нөөцүүд: Apera Instruments Store on Amazon
