Manual de Instruções do Medidor de Luz UV-AB de Bolso Extech UV505

1. Introdução

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. Recursos do Produto

• Design compacto e portátil: 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.
• Visor LCD retroiluminado: Large, easy-to-read screen with backlight for clear visibility in diverse lighting conditions.
• Construção durável: Rugged design ensures reliable performance in field and laboratory settings.
• Desligamento automático: 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. Conteúdo da embalagem

Verifique se todos os itens estão presentes e em boas condições:

• Extech UV505 Pocket UV-AB Light Meter
• Two AAA batteries (pre-installed or included separately)
• Bolsa protetora

4. Identificação do componente

Figura 1: Frente 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. Configuração

5.1 Instalação da bateria

1. Localize o compartimento da bateria na parte traseira do medidor.
2. Press the release button (if present) and slide open the battery cover.
3. Insira duas pilhas AAA, certificando-se da polaridade correta (+ e -).
4. Replace the battery cover and ensure it clicks securely into place.

6. Instruções de operação

6.1 Ligar/Desligar

• 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 Fazendo uma medição

1. Ligue o medidor.
2. Point the UV sensor directly towards the UV light source you wish to measure.
3. Read the UV intensity value displayed on the LCD screen.

6.3 Função Zero

• 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 Seleção de Unidade

• 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 Retenção de dados

• 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.

Função 6.6 Mín/Máx

• 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 Luz de fundo

• 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. Manutenção

7.1 Limpeza

• Limpe o medidor casing com um suave, damp pano. Não use produtos de limpeza abrasivos ou solventes.
• 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 Armazenamento

• Quando não estiver em uso por longos períodos, remova as pilhas para evitar vazamentos.
• Store the meter in its protective pouch in a cool, dry place, away from direct sunlight and extreme temperatures.

7.3 Substituição da bateria

• Quando o indicador de bateria fraca aparecer no visor, substitua as baterias conforme descrito na Seção 5.1.

8. Solução De Problemas

• O medidor não liga: Verifique a instalação das baterias e certifique-se de que elas sejam novas.
• Leituras imprecisas: Ensure the sensor is clean and unobstructed. Perform a ZERO calibration. Verify correct unit selection.
• A tela está escura ou piscando: Substitua as pilhas.

9. Especificações

10. Garantia e Suporte

For warranty information or technical support, please refer to the official Extech webou entre em contato com o departamento de atendimento ao cliente. Guarde o comprovante de compra como prova para eventuais solicitações de garantia.