CEM DT-1308 Handheld Digital Light Meter User Manual

1. Kirish

The CEM DT-1308 is a high-precision digital light meter designed for measuring illuminance in Lux (lx) or Foot-Candle (FC) units. It features a large 4-digit LCD display with a 41-segment analog bargraph, capable of measuring up to 400,000 Lux. This device is suitable for various applications including photography, environmental monitoring, and industrial settings. Its lightweight design and durable construction ensure reliable and accurate measurements.

2. Xavfsizlik ma'lumotlari

Please read this manual thoroughly before operating the device to ensure safe and proper use. Keep this manual for future reference.

• Qurilmani haddan tashqari harorat, namlik yoki to'g'ridan-to'g'ri quyosh nuriga ta'sir qilmang.
• Qurilmani tashlab qo'ymang yoki kuchli zarbalarga duchor bo'lmang.
• Do not attempt to open or modify the device; this will void the warranty and may cause damage.
• Agar qurilma uzoq vaqt davomida ishlatilmasa, sizib chiqmasligi uchun batareyalarni chiqarib oling.
• Batareyalar va qurilmani mahalliy qoidalarga muvofiq utilizatsiya qiling.

3. Paket tarkibi

Paketdan chiqargandan so'ng barcha narsalar mavjudligini va yaxshi holatda ekanligini tekshiring:

• CEM DT-1308 Digital Light Meter
• Protective Sensor Cover
• Heavy Duty Pouch
• Foydalanuvchi uchun qo'llanma
• Batareyalar (agar mavjud bo'lsa)

Figure 3.1: The CEM DT-1308 light meter shown with its packaging and included protective pouch.

4. Xususiyatlari

• Large 4000 counts LCD display with 41-segment analog bargraph.
• Measurement range up to 400,000 Lux.
• User selectable units: Lux (lx) or Foot-Candle (FC).
• Yuqori aniqlik va tezkor javob.
• Peak Hold function to capture maximum readings.
• Relative mode for differential measurements.
• Ko'rsatilgan o'qishni muzlatish uchun ma'lumotlarni ushlab turish funksiyasi.
• Automatic Power Off to conserve battery life.
• Batareya pastligi belgisi.
• Long life silicon photo diode sensor.
• Haddan tashqari masofa ko'rsatkichi.

5. Qurilma tartibi

Familiarize yourself with the components of your DT-1308 light meter:

5.1-rasm: orqa view of the DT-1308, highlighting the battery compartment and the coiled cable connecting to the light sensor.

1. Yorug'lik sensori: Detachable sensor with a protective cover, connected via a coiled cable. This is the component that detects light.
2. LCD displey: Shows measurement readings, units, and various indicators.
3. Funktsiya tugmalari:
   • POWER tugmasi: Qurilmani YOQISH/O'CHIRISH.
   • RANGE tugmasi: Manually selects measurement range.
   • UNIT tugmasi: Toggles between Lux and Foot-Candle units.
   • HOLD tugmasi: Displeydagi joriy ko'rsatkichni muzlatib qo'yadi.
   • PEAK tugmasi: Captures and displays the maximum light intensity.
   • REL (Relative) button: Sets the current reading as a reference for subsequent measurements.
4. Batareya bo'limi: Located on the rear of the device, holds the required batteries.

6. Sozlash

6.1 Batareyani o'rnatish

1. Qurilmaning orqa tomonidagi batareya bo'linmasi qopqog'ini toping (5.1-rasmga qarang).
2. Slide or unscrew the cover to open the compartment.
3. Kerakli AA batareyalarini joylashtiring, to'g'ri kutupluluk (+/-).
4. Batareya bo'limi qopqog'ini mahkam o'rniga qo'ying.

6.2 Dastlabki yoqish

1. ni bosing KUCH button to turn on the light meter.
2. The LCD display will illuminate and show a brief self-test before displaying a reading.
3. Ensure the protective cover is removed from the light sensor before taking measurements.

7. Foydalanish bo'yicha ko'rsatmalar

7.1 O'lchovni o'tkazish

1. yordamida qurilmani yoqing KUCH tugmasi.
2. Remove the protective cap from the light sensor.
3. Position the light sensor at the desired measurement point, ensuring it faces the light source directly.
4. Read the illuminance value on the LCD display. The measurement rate is approximately 1.5 times per second.

7.2 Unit Selection (Lux/FC)

ni bosing BIRLIK button to toggle between Lux (lx) and Foot-Candle (FC) measurement units. The selected unit will be indicated on the display.

7.3 Ma'lumotni ushlab turish funksiyasi

ni bosing TUTING button to freeze the current reading on the display. Press it again to release the hold and resume live measurements.

7.4 Peak Hold Function

ni bosing PEAK button to capture and display the maximum light intensity detected since the function was activated. This is useful for measuring transient light peaks. Press it again to exit Peak Hold mode.

7.5 Nisbiy rejim

ni bosing REL button to enter Relative mode. The current reading will be stored as a reference value, and subsequent measurements will be displayed as the difference from this reference. Press REL again to exit Relative mode.

7.6 Diapazonni tanlash

The device typically operates in auto-ranging mode. However, you can manually select a measurement range by pressing the RANGE button. Cycle through available ranges as needed. To return to auto-ranging, press and hold the RANGE tugmasi.

7.7 Avtomatik o'chirish

The DT-1308 features an automatic power-off function to conserve battery life. If no buttons are pressed for a certain period (typically 10-15 minutes), the device will automatically shut down. Press the KUCH uni qayta yoqish uchun tugmani bosing.

8. Xizmat ko'rsatish

8.1 Tozalash

Wipe the device and sensor with a soft, dry cloth. Do not use abrasive cleaners or solvents, as they may damage the casing or sensor. Keep the light sensor clean and free from dust or smudges for accurate readings.

8.2 Saqlash

When not in use, store the light meter in its protective pouch in a cool, dry place, away from direct sunlight and extreme temperatures. Ensure the protective cap is on the light sensor.

8.3 Batareyani almashtirish

When the low battery indicator appears on the display, replace the batteries promptly to ensure continued accurate operation. Refer to section 6.1 for battery installation instructions.

9. Muammolarni bartaraf qilish; nosozliklarni TUZATISH

10. Texnik shartlar

• Displey: 4000 counts LCD with 41-segment analog bargraph
• O'lchov diapazoni: Up to 400,000 Lux (or equivalent FC)
• Birliklar: Lux (lx) / Foot-Candle (FC) selectable
• Sensor: Long life silicon photo diode
• O'lchov tezligi: 1.5 times per second (nominal)
• Funksiyalari: Data Hold, Peak Hold, Relative Mode, Auto Power Off, Over-range indication, Low battery indication
• Quvvatlantirish manbai: 1 x AA batareya
• Ishlash harorati: 0°C dan 50°C gacha (32°F dan 122°F gacha)
• Saqlash harorati: -20°C dan 60°C gacha (-4°F dan 140°F gacha)
• O'lchamlari: (Refer to product images for approximate size)
• Og'irligi: (Lightweight, specific value not provided)

11. Kafolat va qo'llab-quvvatlash

CEM products are designed for reliability and performance. This product is covered by a standard manufacturer's warranty against defects in materials and workmanship. For specific warranty terms, please refer to the warranty card included with your product or visit the official CEM websayt.

For technical support, service, or inquiries, please contact your local distributor or CEM customer service. Contact information can typically be found on the CEM websayt yoki mahsulot o'ramida.