1. تعارف
Thank you for choosing the Elitech LDM-50D Laser Distance Meter. This device is designed for precise and efficient distance measurements, offering a range of functions for various applications in home DIY, interior design, and professional construction. This manual provides essential information for safe operation, setup, and maintenance of your device. Please read it thoroughly before use.
The LDM-50D features fast and accurate measurements up to 165ft (50m) with ±2mm precision. It includes versatile functions such as single, continuous, area, volume, and Pythagorean modes. The bright backlit LCD ensures clear readability, and it can store up to 99 measurements. Built-in dual bubble levels enhance measurement accuracy.
2. حفاظت جي ڄاڻ
ليزر جي حفاظت: This device emits a Class II laser. Do not stare directly into the laser beam or direct it at other people. Avoid pointing the laser at reflective surfaces. Always operate the device in a safe manner to prevent eye injury.
بيٽري جي حفاظت:
- Use only AAA alkaline batteries as specified.
- پراڻي ۽ نئين بيٽرين، يا بيٽرين جي مختلف قسمن کي گڏ نه ڪريو.
- پڪ ڪريو ته بيٽريون صحيح پولارٽي سان داخل ڪيون ويون آهن.
- جيڪڏهن ڊوائيس ڊگهي عرصي تائين استعمال نه ٿيندي ته جيئن رسي کي روڪي سگهجي ته بيٽريون هٽايو.
- مقامي ضابطن جي مطابق استعمال ٿيل بيٽرين کي ختم ڪريو.
عام حفاظت:
- ڊوائيس کي ٻارن کان پري رکو.
- Do not attempt to modify or disassemble the device. Repairs should only be performed by authorized personnel.
- ڊوائيس کي انتهائي گرمي پد، نمي، يا سڌي سج جي روشني کي ظاهر ڪرڻ کان بچاء.
3. پراڊڪٽ ختمview
The Elitech LDM-50D is a compact and durable laser distance meter designed for ease of use and portability. It features a clear backlit display and intuitive button layout.
3.1 پيڪيج مواد
- Elitech LDM-50D Laser Distance Meter
- 2 x AAA بيٽريون
- کلائي پٽي
- استعمال ڪندڙ دستي

Image: Elitech LDM-50D Laser Distance Meter with included batteries, wrist strap, and manual.
3.2 ڊوائيس جا حصا

تصوير: سامهون view of the Elitech LDM-50D Laser Distance Meter, showing the display, control buttons, and dual bubble levels.
The device features a large backlit LCD for clear readings, a 'READ' button for measurements, 'OFF/CLEAR' for power and clearing, and various function buttons for mode selection and unit switching. It also includes dual bubble levels for enhanced accuracy.

تصوير: پوئتي view of the Elitech LDM-50D Laser Distance Meter, showing the battery compartment and product labels.
4. سيٽ اپ
4.1 بيٽري لڳائڻ
- ڊوائيس جي پوئين پاسي بيٽري جي ڪمپارٽمينٽ ڪَوَر کي ڳوليو.
- ڪپڙا کليل سلائيڊ ڪريو.
- ٻه (2) AAA الڪائن بيٽريون داخل ڪريو، صحيح پولارٽي (+/-) کي يقيني بڻائي.
- بيٽري جي ڪمري واري ڍڪ کي محفوظ طور تي بند ڪريو.
5. آپريٽنگ هدايتون
5.1 پاور آن/آف
- پاور آن ڪرڻ لاءِ، دٻايو پڙهو بٽڻ
- بجلي کي بند ڪرڻ لاءِ ، دٻايو ۽ رکو بند / صاف button for a few seconds. The device will also automatically power off after a period of inactivity.
5.2 Basic Distance Measurement
- Point the laser at the target surface.
- کي دٻايو پڙهو button once. The measurement will appear on the display.

Image: A user holding the Elitech LDM-50D and taking a distance measurement to a wall.
5.3 مسلسل ماپ
This mode allows for dynamic measurement as you move the device. Press the mode button until the continuous measurement icon appears. The display will update in real-time as the distance changes.
5.4 Area and Volume Measurement
The LDM-50D can calculate area and volume automatically. Press the mode button to cycle through measurement modes until the desired icon (area or volume) is displayed. Follow the on-screen prompts to take the required length, width, and height measurements. The device will then calculate and display the result.

Image: The Elitech LDM-50D displaying icons for various measurement modes including distance, area, volume, and different Pythagorean calculations.
5.5 Pythagorean Measurement
Use the Pythagorean mode for indirect height or diagonal measurements. Press the mode button to select one of the Pythagorean modes (e.g., for single indirect height, double indirect height). Follow the on-screen instructions to take the necessary measurements (e.g., base and hypotenuse). The device will calculate the unknown side.
5.6 يونٽ سوئچنگ
The device supports multiple units: meters (m), centimeters (cm), feet (ft), inches (in), and fractions. To switch units, long-press the 'U' button until the desired unit is displayed.

Image: The Elitech LDM-50D displaying various measurement units like inches, feet, and meters, with a prompt to long-press a button to switch units.
5.7 ڊيٽا اسٽوريج
The LDM-50D can store up to 99 measurement records. To review stored data, press the memory button. Use the arrow keys to navigate through the records. The top of the screen indicates how many records are saved.

Image: The Elitech LDM-50D display showing multiple measurement records, highlighting the 99-record storage capacity.
5.8 Reference Point Switching
The device allows you to switch the measurement reference point between the front edge and the rear edge of the device. This is useful for measuring from different starting positions. Refer to the display icon to confirm the active reference point.

Image: The Elitech LDM-50D illustrating two different reference points for measurement, from the front or rear of the device.
5.9 پراڊڪٽ جي مظاهري جي وڊيو
Video: A demonstration of the Elitech LDM-50D Laser Distance Meter, showcasing its compact size, instant measurement capabilities, area and volume calculations, Pythagorean mode for indirect measurements, and unit switching functionality. It highlights the device's efficiency and ease of use for various measuring tasks.
6. سار سنڀال
To ensure the longevity and accuracy of your Elitech LDM-50D, follow these maintenance guidelines:
- صفائي: نرم استعمال ڪريو، ڊيamp cloth to clean the device. Do not use abrasive cleaners or solvents. Clean the laser lens gently with a soft, lint-free cloth.
- اسٽوريج: Store the device in a cool, dry place, away from direct sunlight and extreme temperatures. Remove batteries if storing for extended periods.
- استحڪام: The device is designed to be dustproof and drop-resistant (IP54, 1m drop resistance). However, avoid unnecessary drops or impacts to maintain accuracy.

Image: The Elitech LDM-50D highlighting its dustproof (IP54) and drop-resistant (1m/3.3ft) construction, made from ABS Engineering Plastic.
7. مسئلا حل ڪرڻ
If you encounter issues with your LDM-50D, refer to the following common problems and solutions:
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| ڊوائيس تي طاقت نه آهي | گهٽ يا ختم ٿيل بيٽريون؛ بيٽري جي غلط انسٽاليشن | بيٽريون تبديل ڪريو؛ بيٽري جي پولارٽي چيڪ ڪريو. |
| غلط ماپون | Unstable surface; Obstruction in laser path; Dirty lens; Measurement taken from wrong reference point | Ensure stable measurement; Clear laser path; Clean lens; Verify reference point setting |
| ليزر شعاع نظر نه ٿو اچي | Bright ambient light; Device not powered on | Move to a darker area; Power on device |
| ڊسپلي مدھم يا اڻ پڙھيل آھي | Low batteries; Extreme temperature | Replace batteries; Move to a moderate temperature environment |
8. وضاحتون
| خاصيت | تفصيل |
|---|---|
| ماپ جي حد | 0.05m to 50m (165ft) |
| درستگي | ±2 ملي ميٽر (±1/16 انچ) |
| ماپ جا يونٽ | m / cm / ft / in / ft+in |
| ماپ جا طريقا | Single, Continuous, Area, Volume, Pythagorean (various types) |
| ڊيٽا رڪارڊ | 99 گروپن تائين |
| ليزر ڪلاس | ڪلاس II، <1 ميگاواٽ |
| ليزر موج | 630-670nm |
| ڏيکاريو | Backlit LCD |
| بجلي جي فراهمي | 2 x AAA الڪلائن بيٽريون (شامل) |
| Automatic Laser Off | 30 سيڪنڊ |
| Automatic Device Off | 180 سيڪنڊ |
| آپريٽنگ جي درجه حرارت | 0°C کان 40°C (32°F کان 104°F) |
| اسٽوريج جي درجه حرارت | -20 ° C کان 60 ° C (-4 ° F کان 140 ° F) |
| طول و عرض (L x W x H) | 11.2 x 5 x 2.5 سينٽي (4.4 x 2.0 x 1.0 انچ) |
| وزن | 0.15 ڪلوگرام (0.33 پائونڊ) |
| مواد | ABS انجنيئرنگ پلاسٽڪ |
| IP جي درجه بندي | IP54 (Dustproof & Splash-proof) |
| مزاحمت جي مزاحمت | 1 م (3.3 فوٽ) |
9. وارنٽي ۽ سپورٽ
Elitech products are manufactured to high-quality standards. For detailed warranty information, please refer to the official Elitech website or the warranty card included with your product. If you require technical support or have questions regarding your LDM-50D Laser Distance Meter, please contact Elitech customer service through their official channels.