Lutron PH-222 Electronic Pen pH Meter User Manual

1. تعارف

This manual provides comprehensive instructions for the proper setup, operation, calibration, and maintenance of the Lutron PH-222 Electronic Pen pH Meter. The PH-222 is a portable, high-precision instrument designed for accurate pH measurements in various applications, including water quality testing, laboratory analysis, and industrial processes. Adherence to these instructions will ensure optimal performance and longevity of the device.

2. حفاظت جي ڄاڻ

Please read and understand all safety instructions before operating the Lutron PH-222 pH Meter. Failure to follow these guidelines may result in injury or damage to the instrument.

• Always handle the pH electrode with care. The glass bulb is fragile.
• Do not ingest pH buffer solutions. In case of accidental ingestion, seek medical attention immediately.
• ڊوائيس کي انتهائي گرمي پد، سڌي سج جي روشني، ۽ تيز نمي کان پري رکو.
• Ensure the battery compartment is properly sealed to maintain the IP-67 waterproof rating.
• مقامي ضابطن جي مطابق استعمال ٿيل بيٽرين کي ختم ڪريو.
• Do not attempt to disassemble or modify the meter, as this will void the warranty and may cause damage.

3. پيڪيج مواد

پيڪنگ کولڻ تي، تصديق ڪريو ته هيٺ ڏنل سڀئي شيون موجود آهن ۽ انهن کي ڪو نقصان نه پهتو آهي:

• Lutron PH-222 Electronic Pen pH Meter
• آپريشن دستي
• Calibration سرٽيفڪيٽ
• pH 4.00 Buffer Solution (small bottle)
• pH 7.00 Buffer Solution (small bottle)

شڪل 3.1: Contents of the Lutron PH-222 package. This image displays the PH-222 pen pH meter, its operation manual, a calibration certificate, and two small bottles of pH buffer solutions (pH 4.00 and pH 7.00).

4. مصنوعات جون خاصيتون

The Lutron PH-222 pH Meter incorporates several features designed for user convenience and accurate measurement:

• Easy to Change the pH Electrode: Facilitates quick replacement of the sensing electrode.
• High Input Impedance: Ensures minimal current draw from the pH electrode, leading to stable and accurate readings.
• Data Hold Function: Allows freezing of the displayed value for convenient recording.
• Auto Power Off: Conserves battery life by automatically shutting down after a period of inactivity.
• 100 Point Data Logger with Recall: Stores up to 100 measurement points for later review.
• IP-67 Waterproof Rating: Provides protection against dust and immersion in water up to 1 meter for 30 minutes.

شڪل 4.1: سامهون view of the Lutron PH-222 Electronic Pen pH Meter, showing the display and control buttons (POWER, HOLD, REC).

5. سيٽ اپ

5.1 بيٽري لڳائڻ

The Lutron PH-222 requires batteries for operation (not included in the package). To install or replace batteries:

1. Twist the top cap of the meter counter-clockwise to open the battery compartment.
2. ٻہ 1.5V AAA بيٽريون داخل ڪريو، صحيح قطبيت (+/-) کي ڏسندي جيئن ڪمري اندر ڏيکاريل آهي.
3. Securely close the battery compartment by twisting the cap clockwise until it is tight to maintain the waterproof seal.

5.2 Electrode Preparation

1. Carefully remove the protective cap from the bottom of the pH electrode. The cap typically contains a small amount of storage solution to keep the electrode moist.
2. Rinse the electrode tip with distilled or deionized water to remove any residual storage solution. Gently blot dry with a lint-free tissue. Do not rub the glass bulb.

6. آپريشن

6.1 پاور آن/آف

کي دٻايو پاور ميٽر کي آن يا آف ڪرڻ لاءِ بٽڻ.

6.2 ماپ وٺڻ

1. Ensure the meter is calibrated (refer to Section 7).
2. Immerse the pH electrode tip into the sample solution, ensuring the glass bulb is fully submerged.
3. Gently stir the solution to ensure homogeneity and allow the reading to stabilize. The display will show the pH value.
4. مستحڪم پي ايڇ ريڊنگ رڪارڊ ڪريو.
5. After measurement, rinse the electrode with distilled water and replace the protective cap.

6.3 ڊيٽا هولڊ فنڪشن

To freeze the current reading on the display, press the رکو button. Press it again to release the hold and return to live measurement.

6.4 Data Logging and Recall

The PH-222 can store up to 100 measurement points. Refer to the detailed operation manual included in the package for specific instructions on how to use the آر اي سي button for data logging and recall functions.

7. حساب ڪتاب

Regular calibration is essential for accurate pH measurements. The Lutron PH-222 supports multi-point calibration using standard buffer solutions. It is recommended to calibrate the meter before each use or if readings appear inaccurate.

7.1 Calibration Procedure (Two-Point)

The PH-222 typically uses a two-point calibration with pH 7.00 and pH 4.00 (or pH 10.00) buffer solutions.

1. Prepare fresh pH 7.00 and pH 4.00 buffer solutions. Ensure they are at the same temperature as your samples.
2. Turn on the meter and rinse the electrode with distilled water.
3. Immerse the electrode into the pH 7.00 buffer solution.
4. کي دٻايو ۽ رکو CAL button (often integrated with the REC button, refer to the device's specific button functions) until the calibration mode is activated. The display will typically show 'CAL' or a flashing pH value.
5. Wait for the reading to stabilize. The meter will automatically recognize the buffer and complete the calibration for pH 7.00.
6. اليڪٽرروڊ کي آلوده پاڻي سان ڌوء.
7. Immerse the electrode into the pH 4.00 buffer solution.
8. Repeat the calibration process. The meter will automatically recognize the buffer and complete the calibration for pH 4.00.
9. Once calibration is complete, the meter will return to measurement mode.

شڪل 7.1: Standard pH 4.00 and pH 7.00 buffer solutions used for calibrating the pH meter.

8. سار سنڀال

8.1 Electrode Care and Storage

• Always keep the electrode tip moist. Never allow the electrode to dry out. Store it in its protective cap containing a small amount of storage solution (or 3M KCl solution).
• Rinse the electrode with distilled water after each use to prevent contamination.
• If the electrode becomes dirty or fouled, clean it gently according to the instructions in the full operation manual.
• Replace the electrode when it no longer calibrates correctly or provides stable readings.

8.2 عام صفائي

Wipe the meter body with a damp ڪپڙو. استعمال نه ڪريو abrasive cleaners يا solvents.

8.3 بيٽري مٽائڻ

Replace batteries when the low battery indicator appears on the display or if the meter fails to power on. Refer to Section 5.1 for battery installation instructions.

9. مسئلا حل ڪرڻ

10. وضاحتون

11. وارنٽي ۽ سپورٽ

For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or contact your authorized Lutron dealer or the manufacturer directly. Ensure you have your product model number (PH-222) and purchase details available when seeking support.