1. Вовед
Thank you for choosing the WANLUTECH LT-40 Mini Laser Distance Meter. This compact and versatile tool is designed for accurate distance, area, and volume measurements, featuring multiple measurement modes and a clear LCD backlight. This manual provides essential information for safe and effective use of your device.
2. Производот завршиview
2.1 Клучни карактеристики
- Multiple Measurement Modes: Includes single, continuous, area, volume, and Pythagorean measurements.
- Compact Design: Small size (5.6 x 1.2 x 2.1 cm) and lightweight (28g) with an aluminum alloy housing for portability.
- Long Measuring Distance: Measures up to 131ft (40m).
- USB Charging: Convenient micro-USB charging port.
- LCD Backlight: Ensures clear data readability in various lighting conditions.
- Selectable Reference Points: Choose between front or rear reference for measurements.
- Unit Conversion: Switch between meters (m), inches (in), and feet (ft).
2.2 Device Components and Display
The following diagram illustrates the main components and display indicators of the LT-40 Laser Distance Meter.

Figure 1: LT-40 Device Layout and Function Buttons

Figure 2: LT-40 Display Indicators and Dimensions
- Главно копче: Used for power on, single measurement, and confirming selections.
- Копче F/D: Functions switch / Front-Rear reference switch.
- Копче за исклучување / осветлување: Turns the device off and controls the LCD backlight.
- Прикажи: Shows measurement values, units, battery status, laser strength, and measurement mode icons.
3. Поставување
3.1 Полнење на уредот
The LT-40 features a built-in Lithium-Ion battery and is rechargeable via a micro-USB port.
- Connect the provided micro-USB cable to the device's charging port.
- Поврзете го другиот крај од USB кабелот со стандарден USB адаптер за напојување (не е вклучен) или USB порт на компјутерот.
- The battery indicator on the display will show charging status. Charge fully before first use.

Слика 3: USB порт за полнење
3.2 Вклучување/исклучување и позадинско осветлување
- Вклучување: Кратко притиснете го главното копче.
- Исклучено: Long press the Power Off / Backlit button.
- Контрола на задно осветлување: Short press the Power Off / Backlit button to toggle the LCD backlight on or off.

Figure 4: LCD Backlight in Operation
3.3 Поставување на референтна точка за мерење
The device allows you to choose the measurement reference point:
- Предна референца: Measurements are taken from the front edge of the device. The device's length is not included in the result.
- Rear Reference: Measurements are taken from the rear edge of the device. The device's length is included in the result.
To switch between reference points, short press the F/R button. An icon on the display will indicate the currently selected reference point.
3.4 Промена на мерните единици
The LT-40 supports meters (m), inches (in), and feet (ft).
- To cycle through units, long press the F/R button. The unit displayed on the screen will change accordingly.
4. Operation - Measurement Modes
The LT-40 offers various measurement functions. To switch between modes, short press the F/R button until the desired mode icon appears on the display.
4.1 Единечно мерење
Measures the direct distance between the device and a target.
- Вклучете го уредот.
- Point the laser at the desired target.
- Short press the main button to emit the laser.
- Short press the main button again to take the measurement. The result will be displayed instantly.

Слика 5: Единечно мерење
4.2 Континуирано мерење (следење)
Measures distances continuously as the device is moved, displaying real-time maximum and minimum values.
- Вклучете го уредот.
- Long press the main button for approximately 1 second to enter continuous measurement mode.
- Move the device slowly. The display will update with real-time measurements, showing MAX and MIN values.
- Short press the main button again to exit continuous measurement mode.

Слика 6: Континуирано мерење
4.3 Мерење на површина
Calculates the area of a rectangular surface by measuring two sides.
- Select the Area Measurement mode (icon: rectangle).
- Short press the main button to measure the first side (e.g., length).
- Short press the main button again to measure the second side (e.g., width).
- Уредот автоматски ќе ја пресмета и прикаже површината.

Слика 7: Мерење на површината
4.4 Мерење на волумен
Пресметува волумен на простор со мерење на три димензии.
- Select the Volume Measurement mode (icon: cube).
- Short press the main button to measure the first dimension (e.g., length).
- Short press the main button again to measure the second dimension (e.g., width).
- Short press the main button a third time to measure the third dimension (e.g., height).
- Уредот автоматски ќе ја пресмета и прикаже јачината на звукот.

Слика 8: Мерење на волуменот
4.5 Pythagorean Measurement
Uses the Pythagorean theorem to calculate indirect distances.

Слика 9: Питагорови режими на мерење
4.5.1 Primary Pythagorean Mode (Indirect Height)
Calculates the height of an object (side 'a') by measuring the hypotenuse ('c') and the base ('b').
- Select the Primary Pythagorean mode (icon: right triangle with 'a' unknown).
- Short press the main button to measure the hypotenuse (data 'c').
- Short press the main button again to measure the base (data 'b').
- The device will automatically calculate and display the height (data 'a').
4.5.2 Secondary Pythagorean Mode (Data Addition)
Calculates a total height (a1+a2) by measuring two hypotenuses and two bases.
- Select the Secondary Pythagorean mode (data addition) (icon: two right triangles stacked).
- Short press the main button to measure the first hypotenuse (data 'c').
- Short press the main button again to measure the first base (data 'b').
- Short press the main button a third time to measure the second hypotenuse (data 'e').
- The device will automatically calculate and display the total height (a1+a2).
4.5.3 Secondary Pythagorean Mode (Data Subtraction)
Calculates a height difference (a) by measuring two hypotenuses and two bases.
- Select the Secondary Pythagorean mode (data subtraction) (icon: two right triangles overlapping).
- Short press the main button to measure the first hypotenuse (data 'e').
- Short press the main button again to measure the first base (data 'c').
- Short press the main button a third time to measure the second base (data 'b').
- The device will automatically calculate and display the height difference (data 'a').
5. Одржување
5.1 Чистење
- Избришете го уредот со мека, гamp крпа. Не користете абразивни средства за чистење или растворувачи.
- Keep the laser lens clean and free of dust or debris to ensure accurate measurements. Use a soft, lint-free cloth for the lens.
5.2 Складирање
- Чувајте го уредот на ладно и суво место, подалеку од директна сончева светлина и екстремни температури.
- Доколку складирате подолг период, осигурајте се дека батеријата е делумно наполнета (околу 50%) за да го продолжите животниот век на батеријата.
6 Смена на проблеми
If you encounter issues with your LT-40, please refer to the following common problems and solutions:
| Проблем | Можна причина | Решение |
|---|---|---|
| Уредот не се вклучува | Слаба батерија или без полнење | Наполнете го уредот користејќи го USB кабелот. |
| Неточни мерења | Laser lens is dirty; Unstable measurement surface; Incorrect reference point selected; Strong light interference. | Clean the laser lens; Ensure a stable surface; Verify the front/rear reference setting; Measure in a shaded area or use a target plate in bright conditions. |
| Екранот е слаб или нечитлив | Задното осветлување е исклучено; Батеријата е слаба. | Short press the Power Off / Backlit button to turn on the backlight; Charge the device. |
| Device freezes or becomes unresponsive | Привремен софтверски дефект. | Long press the Power Off / Backlit button to force a shutdown, then restart the device. |
7. Спецификации
| Карактеристика | Спецификација |
|---|---|
| Модел | LT-40 |
| Мерен опсег | До 40 метри (131 стапки) |
| Единици | m / in / ft |
| Ласерска класа | Class II, Output power <1mW |
| Тип на батерија | Lithium-Ion (rechargeable via Micro-USB) |
| Материјал | Алуминиумска легура и ABS |
| Боја | Греј |
| Димензии на производот | 5.6 x 1.2 x 2.1 cm |
| Тежина на ставката | 28 гр |
| Ниво на отпорност на вода | Водоотпорен (оцена IP54) |
8. Гаранција и поддршка
WANLUTECH is dedicated to providing high-quality products and excellent customer service. For any questions, technical support, or warranty inquiries regarding your LT-40 Mini Laser Distance Meter, please contact our customer support team through the retailer where you purchased the product or visit the official WANLUTECH webсајт за информации за контакт.
Ве молиме чувајте го вашиот доказ за купување за барањата за гаранција.