CEM DT-172 Temperature and Humidity Data Logger User Manual

1. அறிமுகம்

The CEM DT-172 is a temperature and humidity data logger designed for efficient and convenient long-term environmental monitoring. This device records temperature and humidity values, storing them internally for later retrieval and analysis via a personal computer with a USB interface. This manual provides essential information for the proper setup, operation, and maintenance of your DT-172 data logger.

2. பாதுகாப்பு தகவல்

Please read and understand the following safety precautions before using the device:

• சாதனத்தை இயக்குவதற்கு முன் அனைத்து வழிமுறைகளையும் முழுமையாகப் படிக்கவும்.
• Do not expose the device to extreme temperatures or humidity levels outside its specified operating range.
• Do not attempt to open, disassemble, or modify the device. This may void the warranty and cause damage.
• Dispose of depleted batteries according to local environmental regulations.
• வலுவான மின்காந்த புலங்களிலிருந்து சாதனத்தை விலக்கி வைக்கவும்.

3. தயாரிப்பு முடிந்துவிட்டதுview

The CEM DT-172 features a compact design with an LCD display and two control buttons. It is equipped with internal sensors for accurate temperature and humidity measurement.

3.1 முக்கிய அம்சங்கள்

• Memory capacity for 32,000 readings (16,000 each for temperature and humidity).
• LCD display provides real-time data and logging status.
• User-selectable measurement cycle from 1 second to 24 hours.
• Extended battery life, typically more than 3 years.
• USB interface for convenient data download to a PC.
• Alarm display indicates when user-defined maximum or minimum values are exceeded.
• Includes analysis software for data graphing, review, and export.
• Supports temperature measurement in both Celsius (°C) and Fahrenheit (°F).
• High resolution: 0.1°C and 0.1% RH.

3.2 கூறுகள்

நிலையான தொகுப்பில் பின்வருவன அடங்கும்:

• DT-172 Data Logger Unit
• அறிவுறுத்தல் கையேடு
• 3.6V Lithium battery (14250 type) (Note: Batteries are not included in some packages and must be purchased separately)
• மென்பொருள் குறுவட்டு
• USB கேபிள்
• சுவர் வைத்திருப்பவர்
• Instrument Lock

Figure 1: CEM DT-172 Data Logger highlighting key features and display.

Figure 2: CEM DT-172 Data Logger with its accessories.

4 அமைவு

4.1 பேட்டரி நிறுவல்

1. Locate the battery compartment on the back of the DT-172 device.
2. பேட்டரி பெட்டியின் அட்டையைத் திறக்கவும்.
3. Insert one 3.6V Lithium battery (14250 type) into the compartment, ensuring correct polarity.
4. பேட்டரி பெட்டியின் அட்டையை பாதுகாப்பாக மூடு.

குறிப்பு: Batteries are typically not included and must be purchased separately.

4.2 மென்பொருள் நிறுவல்

1. வழங்கப்பட்ட மென்பொருள் சிடியை உங்கள் கணினியின் சிடி-ரோம் டிரைவில் செருகவும்.
2. Follow the on-screen instructions to install the analysis software. The software is compatible with Windows 98/2000/XP/Vista/7 operating systems.

4.3 Initial Connection to PC

1. Connect the data logger to your computer using the supplied USB cable.
2. Your computer should automatically detect the device and install any necessary drivers.

Figure 3: Connecting the DT-172 Data Logger to a PC via USB.

5. இயக்க வழிமுறைகள்

5.1 பவர் ஆன்/ஆஃப்

The device typically powers on automatically upon correct battery installation. There is no explicit power button.

5.2 தகவல் காட்சி

The LCD displays current temperature, humidity, time, and logging status. Two LEDs, labeled ஏ.எல்.எம் (Alarm) and REC (Recording), indicate the device's status.

Figure 4: Close-up of the DT-172 display and control buttons.

5.3 பொத்தான் செயல்பாடுகள்

• Temp. %RH Button: Press this button to cycle between displaying the current temperature and relative humidity readings on the LCD.
• MAX/MIN பொத்தான்: இந்த பொத்தானை அழுத்தவும் view the maximum and minimum recorded temperature and humidity values since the last reset or logging session.

5.4 தரவு பதிவைத் தொடங்குதல்

1. Connect the data logger to your PC and open the analysis software.
2. Use the software to configure desired logging parameters, such as the measurement cycle (e.g., 1 second, 1 hour, 24 hours) and any alarm limits for temperature and humidity.
3. Once configured, disconnect the logger from the PC. The device will automatically begin standalone data logging. The REC LED will illuminate to indicate active recording.

5.5 தரவைப் பதிவிறக்குகிறது

1. To retrieve recorded data, connect the data logger to your PC via the USB cable.
2. Open the analysis software on your computer.
3. Follow the software's instructions to download the logged data from the device.
4. The software allows you to view the data in graphical format, analyze trends, and export the data for further processing.

6. பராமரிப்பு

6.1 பேட்டரி மாற்று

When the battery indicator on the LCD shows low power, replace the 3.6V Lithium battery (14250 type) promptly to ensure continuous operation and prevent data loss. Refer to Section 4.1 for battery installation steps.

6.2 சுத்தம் செய்தல்

Wipe the device with a soft, dry cloth. Do not use abrasive cleaners, solvents, or immerse the device in water. Ensure the sensor area remains clean and free of dust or obstructions for accurate readings.

7. சரிசெய்தல்

• சாதனம் இயக்கப்படவில்லை: Check if the 3.6V Lithium battery (14250) is correctly installed and not depleted. Ensure proper polarity.
• தரவு பதிவு இல்லை: Verify that logging parameters have been set and activated via the analysis software. Confirm the REC LED is illuminated when the device is disconnected from the PC. Ensure sufficient memory is available (32,000 readings capacity).
• Cannot connect to PC or download data: Ensure the USB cable is securely connected to both the logger and the PC. Verify that the analysis software is correctly installed. Try connecting to a different USB port on your computer.
• Alarm indication (ALM LED): தி ஏ.எல்.எம் LED indicates that user-defined maximum or minimum temperature/humidity values have been exceeded. Review your logged data using the software to identify the specific exceedance.
• Inaccurate RH readings at low humidity: Some users have reported limitations in logging data for relative humidity below 18% RH. This may be a characteristic of the device's sensor.

8. விவரக்குறிப்புகள்

Figure 5: DT-172 Data Logger with approximate dimensions.

9. உத்தரவாதத் தகவல்

Warranty details for the CEM DT-172 Temperature and Humidity Data Logger are not specified in the provided product information. Please refer to your purchase documentation or contact the manufacturer directly for specific warranty terms and conditions.

10. வாடிக்கையாளர் ஆதரவு

For technical assistance, inquiries, or support regarding your CEM DT-172 Data Logger, please contact CEM Instruments (India) Pvt. Ltd. using the information below:

• மின்னஞ்சல்: info@cem-instruments.in
• Webதளம்: www.cem-instruments.in