1. المقدمة
The HORIBA LAQUA EC210-K is a robust, handheld, waterproof meter designed for precise measurement of conductivity, total dissolved solids (TDS), salinity, and temperature in various field applications. This digital meter provides reliable performance with advanced features such as automatic and manual calibration, adjustable parameters, and extensive data logging capabilities. Its durable construction ensures long-lasting use in challenging environments.
2. معلومات السلامة
Please read this manual thoroughly before operating the LAQUA EC210-K meter to ensure safe and correct usage. Failure to follow instructions may result in damage to the instrument or personal injury.
- Always handle the meter and sensor with care.
- Do not immerse the meter in liquids beyond its specified IP67 rating.
- Keep calibration solutions and samples away from children and pets. Follow safety data sheets for chemical handling.
- Use only specified batteries (AA) and dispose of them properly.
- لا تحاول تفكيك العداد أو إصلاحه بنفسك. استعن بفنيي صيانة مؤهلين.
3. محتويات العبوة
Verify that all items are present and undamaged upon unpacking. The standard package for the HORIBA LAQUA EC210-K includes:
- LAQUA EC210-K Handheld Meter
- 9383-10D Conductivity Sensor
- Calibration Solutions (various concentrations)
- 2 بطاريات AA
- Built-in Electrode Stand
- Foldable Meter Stand
- Durable Carrying Case
- دليل التعليمات (هذا المستند)
Image 3.1: Contents of the HORIBA LAQUA EC210-K kit, including the meter, sensor, calibration solutions, and accessories, neatly organized within its protective carrying case.
4. الإعداد
4.1. تركيب البطارية
- حدد موقع غطاء حجرة البطارية على الجزء الخلفي من العداد.
- Open the cover by turning the latch or unscrewing as indicated.
- قم بإدخال بطاريتين (2) AA، مع التأكد من القطبية الصحيحة (+/-).
- Securely close the battery compartment cover to maintain the waterproof seal.
4.2. توصيل المستشعر
- Align the connector of the 9383-10D conductivity sensor with the sensor input port on the top of the meter.
- Gently push and twist the connector until it is securely fastened. Do not overtighten.
Image 4.1: The HORIBA LAQUA EC210-K handheld meter with its 9383-10D conductivity sensor securely connected, ready for use.
5. تعليمات التشغيل
5.1. تشغيل / إيقاف التشغيل
- لتشغيل الجهاز: اضغط مع الاستمرار على قوة button (⑂) until the display illuminates.
- لإيقاف التشغيل: اضغط مع الاستمرار على قوة button (⑂) again until the display turns off.
5.2. القياس الأساسي
- Ensure the sensor is clean and properly connected.
- قم بتشغيل العداد.
- اضغط على وضع button to cycle through measurement parameters (Conductivity, TDS, Salinity, Temperature).
- Immerse the sensor in the sample solution, ensuring the sensor tip is fully submerged and free of air bubbles.
- Wait for the reading to stabilize. The meter features auto-stable and auto-hold functions for convenience.
- Record the measurement displayed on the custom LCD with backlight.
5.3. Display and Button Functions
The meter features a clear LCD with backlight for easy reading in various lighting conditions. Key buttons include:
- وضع: Cycles through measurement parameters (Conductivity, TDS, Salinity, Temperature).
- كال: Initiates calibration mode.
- مياس: Returns to measurement mode.
- بيانات: Accesses data logging and memory functions.
- تعيين: Enters setup menu for parameter adjustments.
- الأنف والأذن والحنجرة: Confirms selections or enters values.
- سهم لأعلى / لأسفل: Navigate menus and adjust values.
الصورة 5.1: الجبهة view of the HORIBA LAQUA EC210-K meter, highlighting its custom LCD display and the arrangement of control buttons for intuitive operation.
6. المعايرة
Regular calibration is essential for accurate measurements. The LAQUA EC210-K supports both automatic and manual calibration procedures.
6.1. EC Calibration
- اضغط على كال button to enter calibration mode.
- Follow the on-screen prompts to select automatic or manual calibration.
- For automatic calibration, immerse the sensor in the appropriate standard solution. The meter will automatically recognize the solution and calibrate.
- For manual calibration, immerse the sensor in a standard solution and use the arrow buttons to adjust the reading to match the known value. Press الأنف والأذن والحنجرة للتأكيد.
- The meter allows adjustment of reference temperature, temperature coefficient, and cell constant for precise measurements.
6.2. TDS and Salinity Calibration
- The meter provides EC to TDS conversion with four selectable TDS calibration curves.
- Two salinity calibration curves are available for accurate salinity measurements.
- ارجع إلى تعيين menu for selecting and configuring these curves.
7. إدارة البيانات
The LAQUA EC210-K includes features for efficient data handling:
- Auto Log Data: Automatically records measurement data at set intervals.
- المدمج في الذاكرة: Stores up to 500 data points, allowing for comprehensive record-keeping.
- Auto Stable/Auto Hold: Ensures stable readings are captured and held on the display.
- Real-time Measurement: Provides continuous display of current readings.
To access stored data, press the بيانات button and navigate using the arrow keys.
8. الصيانة
Proper maintenance extends the life and accuracy of your meter.
8.1. Cleaning the Meter and Sensor
- Meter: Wipe the meter body with a soft, damp القماش. لا تستخدم المنظفات أو المذيبات الكاشطة.
- Sensor: Rinse the sensor thoroughly with distilled or deionized water after each use. For stubborn deposits, refer to the sensor-specific cleaning instructions provided with the 9383-10D sensor.
8.2. Sensor Storage
Store the sensor according to its specific instructions, typically in a storage solution or with a protective cap to prevent drying out.
8.3. استبدال البطارية
Replace batteries when the low battery indicator appears on the display. Refer to Section 4.1 for battery installation instructions.
8.4. المتانة
The LAQUA EC210-K features an IP67 waterproof and dustproof rating, and a shock and scratch-resistant non-slip housing. While designed for rugged use, avoid unnecessary drops or impacts.
9. استكشاف الأخطاء وإصلاحها
If you encounter issues with your LAQUA EC210-K meter, consult the following table for common problems and solutions.
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| لا يعمل العداد | البطاريات الميتة أو المثبتة بشكل غير صحيح | استبدال البطاريات، والتأكد من القطبية الصحيحة. |
| قراءات غير دقيقة | Sensor dirty or damaged; Meter out of calibration | Clean the sensor; Perform calibration (Section 6). |
| لم يتم عرض أي قراءة | Sensor not connected properly; Sensor damaged | Check sensor connection; Replace sensor if damaged. |
| الشاشة خافتة أو تومض | انخفاض طاقة البطارية | استبدال البطاريات. |
If the problem persists after attempting these solutions, please contact HORIBA customer support.
10. المواصفات
| المعلمة | مواصفة |
|---|---|
| اسم الموديل | LAQUA EC210-K |
| معلمات القياس | Conductivity, Resistivity, Salinity, Total Dissolved Solids (TDS), Temperature |
| تصنيف مقاوم للماء/الغبار | IP67 |
| مصدر الطاقة | 2 بطاريات AA |
| عمر البطارية | أكثر من 500 ساعة |
| نوع العرض | Custom LCD with Backlight |
| ذاكرة | ما يصل إلى 500 نقطة بيانات |
| المواد الخارجية | البولي كربونات (PC) |
| المكونات المضمنة | Meter and Sensor (9383-10D) |
| تصنيف درجة الحرارة العليا | 130 درجة مئوية |
| طول العنصر | 7 بوصة |
11. الضمان والدعم
11.1. معلومات الضمان
The HORIBA LAQUA EC210-K meter comes with a ضمان لمدة 3 سنوات from the date of purchase, covering defects in materials and workmanship. This warranty does not cover damage caused by misuse, accident, unauthorized repair, or normal wear and tear. Please retain your proof of purchase for warranty claims.
11.2. دعم العملاء
For technical assistance, troubleshooting, or warranty service, please contact HORIBA Instruments Incorporated customer support. You can find more information and contact details by visiting the official HORIBA store or webموقع.
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