1. Pengenalan
The Onset HOBO MX1101 is a wireless data logger designed to measure and transmit temperature and relative humidity data. Utilizing Bluetooth Low Energy (BLE) technology, it allows for convenient data access and configuration via mobile devices running the HOBOmobile app. This manual provides essential information for the proper setup, operation, and maintenance of your MX1101 data logger.
2. Maklumat Keselamatan
- Do not expose the data logger to extreme temperatures outside its specified operating range.
- Avoid exposing the device to water or other liquids beyond its IP50 rating, which indicates protection against dust but not water immersion.
- Use only the specified AAA 1.5 V alkaline batteries. Incorrect battery types may damage the device.
- Buang bateri mengikut peraturan tempatan.
- Jangan cuba membuka atau membaiki peranti sendiri. Rujuk kepada kakitangan perkhidmatan yang berkelayakan.
3. Produk Lebihview
The HOBO MX1101 is a compact, self-contained data logger featuring an integrated LCD screen for real-time data display and status indicators. It communicates wirelessly with your mobile device via Bluetooth for setup, data download, and management.

Rajah 1: Depan view of the Onset HOBO MX1101 data logger, showing the LCD display and sensor area.
Ciri-ciri Utama:
- Komunikasi Tanpa Wayar: Bluetooth Low Energy (BLE) for connection to mobile devices.
- Integrated LCD: Displays current temperature, relative humidity, logging status, battery level, and memory usage.
- HOBOmobile App: Free application for iOS and Android for logger configuration, data viewing, and management.
- Pemberitahuan Penggera: Configurable audible or visual alarms for user-defined thresholds.
- Burst Logging: Allows for faster logging intervals when sensor readings exceed or fall below specified limits.
- Kapasiti Memori Tinggi: Menyimpan sehingga 84,650 ukuran.
4. Persediaan
4.1 Pemasangan Bateri
- Cari petak bateri di bahagian belakang pencatat data.
- Buka penutup petak.
- Insert two AAA 1.5 V alkaline batteries, ensuring correct polarity.
- Tutup penutup petak bateri dengan selamat.
4.2 HOBOmobile App Installation
Download the free HOBOmobile app from the Apple App Store (for iOS devices) or Google Play Store (for Android devices). Cari untuk "HOBOmobile" by Onset.
4.3 Connecting to the Data Logger
- Pastikan Bluetooth didayakan pada peranti mudah alih anda.
- Open the HOBOmobile app.
- The app will scan for nearby HOBO MX data loggers. Select your MX1101 from the list of discovered devices.
- Follow the on-screen prompts in the app to establish a connection.
4.4 Mengkonfigurasi Logger
Once connected, use the HOBOmobile app to configure the data logger settings, including:
- Selang Pembalakan: Set how frequently data is recorded (e.g., 1 minute, 5 minutes).
- Start/Stop Options: Define when logging begins and ends.
- Ambang Penggera: Set high and low limits for temperature and humidity to trigger alarms.
- Burst Logging Settings: Configure conditions for accelerated logging.
- Keselamatan: Optionally set a password for logger access.
5. Beroperasi
5.1 Starting and Stopping Logging
Logging is initiated and stopped through the HOBOmobile app. Once configured and started, the logger will record data independently until stopped or its memory is full.
5.2 Viewing Data on the LCD
The built-in LCD screen provides immediate access to current readings and logger status. Information displayed typically includes:
- Suhu Semasa
- Kelembapan Relatif Semasa
- Logging Status (e.g., RUN, STOP)
- Penunjuk Aras Bateri
- Memory Usage Indicator
Note: The LCD's visibility and response time may be affected by temperatures outside the 0 to 50°C (32 to 122°F) range.
5.3 Accessing Data via HOBOmobile App
Connect to the data logger using the HOBOmobile app to:
- View real-time data and historical graphs.
- Check the operational status and alarm notifications.
- Download logged data to your mobile device.
- Export data in various formats (e.g., CSV, Excel) for further analysis.
- Kongsi data files via email or other applications.
6. Penyelenggaraan
6.1 Penggantian Bateri
When the battery indicator on the LCD or in the HOBOmobile app shows low power, replace the two AAA 1.5 V alkaline batteries as described in Section 4.1. Typical battery life is 1 year with a 1-minute logging interval.
6.2 Pembersihan
Lap bahagian luar pencatat data dengan kain lembutamp cloth. Do not use abrasive cleaners or solvents. Ensure no moisture enters the sensor openings.
6.3 Pertimbangan Alam Sekitar
The MX1101 has an IP50 environmental rating, meaning it is protected against dust ingress but not against water. Operate and store the device within its specified temperature and humidity ranges to ensure optimal performance and longevity.
7. Penyelesaian masalah
- Cannot connect to logger: Ensure Bluetooth is enabled on your mobile device and the logger is within the 100-foot wireless range. Check logger battery level.
- Logger not recording data: Verify that logging has been started via the HOBOmobile app. Check memory usage; if full, download data and clear memory.
- Bacaan tidak tepat: Ensure the logger is placed in a location representative of the environment being monitored and not exposed to direct sunlight or drafts. Allow sufficient time for the logger to acclimate to new conditions.
- LCD blank or slow: This is normal if the ambient temperature is outside the 0 to 50°C (32 to 122°F) range. The logger continues to function, but the display may be affected.
- Hayat bateri pendek: Frequent connections, very short logging intervals, or continuous use of alarms can reduce battery life. Ensure fresh batteries are used.
For further assistance, refer to the HOBOmobile app's help section or the Onset webtapak.
8. Spesifikasi

Rajah 2: Dimensions of the Onset HOBO MX1101 data logger, showing a width of 3.34 inches and height of 1.44 inches.
| Parameter | Nilai |
|---|---|
| Julat Suhu | -20 hingga 70°C (-4 hingga 158°F) |
| Ketepatan Suhu | ±0.21°C from 0 to 50°C (±0.38°F from 32 to 122°F) |
| Julat Kelembapan Relatif | 1% hingga 90% (tidak pemeluwapan) |
| Ketepatan Kelembapan Relatif | ±2% from 20% to 80% typical (max ±4.5% including hysteresis at 25°C); ±6% typical below 20% and above 80% |
| Ingatan | 128 KB (84,650 measurements maximum) |
| Hayat Bateri | 1 year typical (with 1-minute logging interval) |
| Jenis Bateri | Two AAA 1.5 V alkaline batteries (user replaceable) |
| LCD Visibility | 0 hingga 50°C (32 hingga 122°F) |
| Dimensi | 3.66 x 8.48 x 2.29 cm (1.44 x 3.34 x 0.9 inci) |
| Berat badan | 56 gram (1.98 auns) |
| Penilaian Alam Sekitar | IP50 |
| Pensijilan | CE-Approved |
| Negara Asal | Amerika Syarikat |
9. Waranti dan Sokongan
The Onset HOBO MX1101 data logger comes with a manufacturer's warranty of 12 months from the date of purchase. For warranty claims, technical support, or service inquiries, please contact Onset customer support directly or visit their official website for detailed contact information and resources.