1. Uvod
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. Značajke proizvoda
- Kompaktan i prenosiv dizajn: 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 ekran sa pozadinskim osvetljenjem: Large, easy-to-read screen with backlight for clear visibility in diverse lighting conditions.
- Izdržljiva konstrukcija: Rugged design ensures reliable performance in field and laboratory settings.
- Automatsko isključivanje: 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. Sadržaj paketa
Provjerite da li su svi artikli prisutni i u dobrom stanju:
- Extech UV505 Pocket UV-AB Light Meter
- Two AAA batteries (pre-installed or included separately)
- Zaštitna torbica
4. Identifikacija komponente

Slika 1: Prednja strana 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. Podešavanje
5.1 Instalacija baterije
- Pronađite odjeljak za baterije na stražnjoj strani mjerača.
- Press the release button (if present) and slide open the battery cover.
- Umetnite dvije AAA baterije, pazeći na ispravan polaritet (+ i -).
- Vratite poklopac baterije i provjerite da li je sigurno sjeo na svoje mjesto.
6. Uputstvo za upotrebu
6.1 Uključivanje/isključivanje napajanja
- 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 Mjerenje
- Uključite mjerač.
- 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 Funkcija nule
- 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 Izbor jedinice
- 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 Zadržavanje podataka
- 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 Pozadinsko osvjetljenje
- 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. Održavanje
7.1 Čišćenje
- Obrišite c mjeračaasing s mekim, damp tkanina. Nemojte koristiti abrazivna sredstva za čišćenje ili rastvarače.
- 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 Skladištenje
- Kada se ne koristi duži period, izvadite baterije kako biste spriječili curenje.
- Store the meter in its protective pouch in a cool, dry place, away from direct sunlight and extreme temperatures.
7.3 Zamjena baterije
- Kada se na ekranu pojavi indikator slabe baterije, zamijenite baterije kao što je opisano u Odjeljku 5.1.
8. Otkrivanje problema
- Mjerač se ne uključuje: Provjerite instalaciju baterija i uvjerite se da su baterije svježe.
- Netačna očitanja: Ensure the sensor is clean and unobstructed. Perform a ZERO calibration. Verify correct unit selection.
- Displej je zatamnjen ili treperi: Zamijenite baterije.
9. Specifikacije
| Specifikacija | Detalj |
|---|---|
| Proizvođač | Extech |
| Broj dijela | UV505 |
| Težina artikla | 3.2 unce |
| Dimenzije proizvoda | 1.9 x 1 x 5.2 inča |
| Broj modela stavke | UV505 |
| Baterije | Potrebne 2 AAA baterije (uključene) |
| Tip baterije baterije | Alkalna |
| Merni sistem | Metric |
| Uključene komponente | Meter, two AAA batteries, and a pouch |
| Datum prve dostupnosti | 12. juna 2018 |
10. Garancija i podrška
For warranty information or technical support, please refer to the official Extech webweb-mjesto ili kontaktirajte njihovu službu za korisnike. Sačuvajte račun kao dokaz o kupovini za bilo kakve reklamacije u garanciji.