1. Въведение
The Extech UV505 is a compact, portable UV-AB light meter designed for measuring ultraviolet radiation from both natural and artificial light sources. This device is suitable for various applications including outdoor UV exposure assessment, medical testing, laboratory research, industrial quality control, educational purposes, electronics, and forensic investigations. It features a backlit display, a cosine-corrected sensor for accurate readings, two selectable measurement ranges, a zero adjustment function, data hold, and an automatic power-off feature to conserve battery life.
2. Характеристики на продукта
- Компактен и преносим дизайн: Easily fits in a hand or pocket for convenient on-the-go monitoring in various environments.
- UVA and UVB Measurement: Dual-sensor technology enables simultaneous and accurate tracking of both UVA and UVB light intensity.
- Data Capture Functions: Includes Peak Hold, Min/Max, and real-time readings to analyze fluctuations and critical UV peaks.
- LCD дисплей с подсветка: Large, easy-to-read screen with backlight for clear visibility in diverse lighting conditions.
- Издръжлива конструкция: Rugged design ensures reliable performance in field and laboratory settings.
- Автоматично изключване: Automatically shuts off to preserve battery life during extended use.
- Cosine Corrected Sensor: Provides accurate measurements regardless of the angle of incidence of the UV light.
3. Съдържание на пакета
Проверете дали всички артикули са налични и в добро състояние:
- Extech UV505 Pocket UV-AB Light Meter
- Two AAA batteries (pre-installed or included separately)
- Защитна торбичка
4. Идентификация на компонента

Фигура 1: Отпред view of the Extech UV505 Pocket UV-AB Light Meter, showing the UV sensor, LCD display, and control buttons.

Figure 2: The Extech UV505 meter being held in a hand, demonstrating its portable size and outdoor usability.
The Extech UV505 features a UV sensor at the top, a large LCD display in the center, and several control buttons below the display. The main power button is typically orange and centrally located. Other buttons include ZERO, UNIT, and a backlight button (often indicated by a light bulb icon) and a HOLD button (indicated by 'H'). The battery compartment is located on the rear of the device.
5. Настройка
5.1 Инсталиране на батерията
- Намерете отделението за батерии на гърба на измервателния уред.
- Press the release button (if present) and slide open the battery cover.
- Поставете две батерии AAA, като внимавате за правилната полярност (+ и -).
- Replace the battery cover and ensure it clicks securely into place.
6. Инструкции за работа
6.1 Включване/изключване
- To power on the meter, press the orange power button.
- To power off the meter, press and hold the orange power button until the display turns off. The meter also features an auto power-off function after a period of inactivity.
6.2 Измерване
- Включете уреда.
- Point the UV sensor directly towards the UV light source you wish to measure.
- Read the UV intensity value displayed on the LCD screen.
6.3 Zero Function
- To ensure accurate readings, especially in low UV environments, use the ZERO function.
- Cover the UV sensor completely to block all light.
- Press the 'ZERO' button. The display should show '0' or a very small value.
6.4 Избор на единица
- Press the 'UNIT' button to cycle through available measurement units, typically µW/cm² (microwatts per square centimeter) and mW/cm² (milliwatts per square centimeter).
6.5 Задържане на данни
- Press the 'HOLD' button (often marked 'H') to freeze the current reading on the display.
- Press 'HOLD' again to release the reading and return to live measurement.
6.6 Min/Max Function
- While measuring, press the 'MIN/MAX' button (or similar, depending on model) to display the minimum or maximum UV intensity recorded since the function was activated.
- Cycle through Min, Max, and current readings by pressing the button repeatedly.
- To clear Min/Max memory, typically press and hold the 'MIN/MAX' button, or power cycle the device.
6.7 Подсветка
- Press the backlight button (light bulb icon) to illuminate the LCD display for better visibility in low-light conditions.
- Press it again to turn off the backlight.
7. Поддръжка
7.1 Почистване
- Избършете капачката на измервателния уредasing с меко, damp плат. Не използвайте абразивни почистващи препарати или разтворители.
- Keep the UV sensor clean and free from dust or debris to ensure accurate readings. Use a soft brush or compressed air if necessary.
7.2 Съхранение
- Когато не се използва за продължителни периоди, извадете батериите, за да предотвратите протичане.
- Store the meter in its protective pouch in a cool, dry place, away from direct sunlight and extreme temperatures.
7.3 Смяна на батерията
- When the low battery indicator appears on the display, replace the batteries as described in Section 5.1.
8. Отстраняване на проблеми
- Глюкомерът не се включва: Проверете инсталирането на батериите и се уверете, че са нови.
- Неточни показания: Ensure the sensor is clean and unobstructed. Perform a ZERO calibration. Verify correct unit selection.
- Дисплеят е затъмнен или мига: Сменете батериите.
9. Спецификации
| Спецификация | детайл |
|---|---|
| производител | Extech |
| Номер на част | UV505 |
| Тегло на артикула | 3.2 унции |
| Размери на продукта | 1.9 x 1 x 5.2 инча |
| Номер на модела на артикул | UV505 |
| Батерии | Необходими са 2 AAA батерии (включени) |
| Тип батерия | Алкална |
| Система за измерване | Метрика |
| Включени компоненти | Meter, two AAA batteries, and a pouch |
| Дата на първа наличност | 12 юни 2018 г |
10. Гаранция и поддръжка
For warranty information or technical support, please refer to the official Extech webсайт или се свържете с техния отдел за обслужване на клиенти. Запазете касовата си бележка като доказателство за покупка за евентуални гаранционни рекламации.





