CEM DT-191A
Упутство за употребу CEM DT-191A регистратора података о температури и влажности
Model: DT-191A | Brand: CEM
1. Увод
The CEM DT-191A is a compact and efficient data logger designed for continuous monitoring of temperature and humidity. This device records environmental conditions over extended periods, storing the data internally. It features a direct USB interface for convenient data retrieval, allowing users to generate tamper-proof PDF reports or perform in-depth analysis using the provided software.
This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your DT-191A data logger.

Слика 1: Предња страна view of the CEM DT-191A Data Logger, showing the display and integrated USB connector.

Figure 2: The compact size of the DT-191A Data Logger demonstrated by being held in a hand.
2. Безбедносне информације
Please read and understand all safety instructions before operating the device. Failure to follow these instructions may result in damage to the device or personal injury.
- Do not expose the device to extreme temperatures, direct sunlight, or high humidity for prolonged periods.
- Избегавајте испуштање уређаја или излагање јаким ударима.
- Не покушавајте да отворите или модификујете уређај. Сва сервисирања препустите квалификованом особљу.
- Батерије одложите у складу са локалним прописима.
- Држите уређај даље од јаких електромагнетних поља.
3. Садржај пакета
Проверите да ли су све ставке присутне у пакету:
- CEM DT-191A Temperature and Humidity Data Logger
- Кориснички приручник (овај документ)
- Analysis Software (typically provided via download or pre-loaded on the device for access upon connection)
- Lanyard (may be included for portability)

Figure 3: CEM DT-191A Data Logger shown with an attached lanyard for easy carrying.
4. Подешавање
4.1 Почетно укључивање и конфигурација
- Уметните батерију: Ensure the battery is correctly installed. The device typically uses a long-life battery.
- Повежите се са рачунаром: Remove the protective cap from the USB connector and plug the DT-191A directly into an available USB port on your computer.
- Software Installation (Optional for PDF): For basic PDF report generation, no software installation is required. The device acts as a USB flash drive. For advanced data analysis and graphing, install the provided analysis software from the device's virtual drive or a specified download link.
- Конфигуришите подешавања: Use the analysis software to set logging parameters such as sample rate (from 2 seconds to 24 hours), alarm thresholds for temperature and humidity, and start/stop modes.

Слика 4: Страна view of the CEM DT-191A Data Logger, highlighting the integrated USB connector.
5. Упутство за употребу
5.1 Starting Data Logging
Once configured via the software, disconnect the device from the PC. The data logger will begin recording according to the programmed settings. The LCD display will show current readings and may indicate logging status.
КСНУМКС ЛЦД екран
The LCD displays real-time temperature and humidity values. It also shows maximum and minimum recorded values during the current logging session. An alarm icon will appear if user-defined maximum/minimum values are exceeded.
5.3 Stopping Data Logging
Logging will stop automatically when the memory is full, or when manually stopped via the analysis software, or if configured for a specific duration.
5.4 Data Retrieval and Analysis
- PDF Report Generation: Plug the DT-191A into any USB port on a computer. The device will automatically generate a tamper-proof PDF report containing a summary of the logged data, including graphs and statistics. This report is saved directly onto the device's internal memory, accessible as a removable drive.
- Advanced Analysis with Software: For more detailed analysis, connect the device to a PC with the analysis software installed. The software allows for viewing data in graphical format, exporting to other formats (e.g., Excel), and further customization of reports.

Figure 5: Illustration of the data download options for the DT-191A, including direct PDF report generation and Excel export via software.
6. Одржавање
6.1 Замена батерије
The DT-191A features a long battery life, typically up to 1 year with a 1-minute sample rate. When the battery indicator on the LCD shows low power, replace the battery with a new one of the same type. Refer to the battery compartment for specific battery type and replacement instructions.
6.2 Чишћење
Clean the device with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure the USB port and sensor areas are free from dust and debris.
КСНУМКС. Решавање проблема
- Рачунар не препознаје уређај:
- Уверите се да је УСБ конектор потпуно уметнут.
- Покушајте са другим УСБ портом на рачунару.
- Поново покрените рачунар.
- Check if the device's battery is sufficiently charged.
- No data logging:
- Verify that logging was initiated correctly via the software.
- Проверите да ли је меморија пуна.
- Уверите се да батерија има довољно снаге.
- Нетачна очитавања:
- Ensure the sensor area is not obstructed or dirty.
- Avoid placing the device near heat sources, direct sunlight, or strong air currents.
- Allow the device to stabilize in the environment for a few minutes before logging.
8. Спецификације
| Параметар | Валуе |
|---|---|
| Модел | ДТ-191А |
| Температурни опсег | -40 до 70 ℃ / -40 до 158 ℉ |
| Прецизност температуре | ±1℃ / 1.8℉ |
| Температурна резолуција | 0.1℃ / 0.1℉ |
| влажност Опсег | 0 до 100% РХ |
| Прецизност влажности | ±3.5% РХ |
| Резолуција влаге | 0.1% РХ |
| Капацитет меморије | 40020 очитавања (20010 по каналу) |
| Sampле Рате | Selectable from 2 seconds to 24 hours |
| Трајање батерије | Up to 1 year (at 1-minute sampстопа) |
| Излаз података | Immediate PDF report via USB, software analysis for graphing and export |
| Тежина артикла | 200 г |
| Димензије пакета | 12 к 8 к 2 цм |
| Земља порекла | Кина |

Figure 6: The DT-191A Data Logger depicted in various industrial and commercial applications.
9. Информације о гаранцији
CEM products are manufactured to high-quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your product or contact CEM customer support. The warranty typically covers manufacturing defects for a specified period from the date of purchase.
10. Корисничка подршка
If you encounter any issues or have questions regarding your CEM DT-191A Data Logger, please contact CEM customer support. Contact details can usually be found on the official CEM webсајту или на паковању производа.
Произвођач: CEM Instruments India
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