HOBO MX2203 Bluetooth Waterproof (120 Metres) Temperature Data Logger
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The HOBO MX2203 TidbiT waterproof temperature logger is ideal for long-term deployments in streams, lakes, and oceans (up to 400 foot depths).
This rugged waterproof logger leverages the power of Bluetooth Low Energy (BLE) to deliver high-accuracy temperature measurements straight to your mobile device or Windows computer.
Communications
Access your data directly from your mobile phone, tablet or Windows computer when within 100 foot (30 m) line-of-sight range of the logger, with the free HOBOconnect app.
To enable cloud data storage and analysis, add an MX Data Plan (select from the options above).
To enable near real-time remote monitoring and alerts via email or text message, add an MX Data Plan and an MX Gateway (select from the options above). Note: the MX Gateway must be indoors.
You can download the HOBOconnect app here:
| HOBO Product Series | TidbiT |
|---|---|
| Measurements | Temperature, Water Temperature |
| Data Available By | Online, Mobile App, Email, Wireless (Bluetooth/RF) |
|
Temperature Sensor (MX2203) |
|
|
Range |
MX2203: -20° to 70°C (-4° to 158°F) in air; -20° to 50°C (-4° to 122°F) in water |
|
Accuracy |
±0.25°C from -20° to 0°C (±.45°F from -4° to 32°F) ±0.2°C from 0° to 70°C (±0.36°F from 32° to 158°F) |
|
Resolution |
0.01°C (0.018°F) |
|
Drift |
<0.1°C (0.18°F) per year |
|
Response Time |
MX2203: 17 minutes typical to 90% in air moving 1 m/s, unmounted; 7 minutes typical to 90% in stirred water, unmounted |
|
Logger |
|
|
Radio Power |
1 mW (0 dBm) |
|
Transmission Range |
Approximately 30.5 m (100 ft) line-of-sight |
|
Wireless Data Standard |
Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0) |
|
Logger Operating Range |
-20° to 70°C (-4° to 158°F) |
|
Logging Rate |
1 second to 18 hours |
|
Buoyancy (Fresh Water) |
MX2203: 3.1 g (0.11 oz) negative |
|
Waterproof |
MX2203: To 122 m (400 ft) |
|
Water Detection |
Water conductivity level of 100 µS/cm or greater necessary for reliable detection of water. Deionized water or water below 100 µS/cm may not be detected. The water conductivity circuit may not reliably detect water that has frozen around the electrodes, i.e. below 0°C (32°F). |
|
Memory |
96,000 measurements |
|
Battery |
CR2477 3V lithium, user replaceable in MX2203, |
|
Battery Life |
3 years, typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off disabled in software. 5 years, typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off or Bluetooth Off Water Detect enabled in software. Faster logging intervals and statistics sampling intervals, burst logging, remaining connected with the app, excessive downloads, and paging may impact battery life. To ensure proper battery installation, see Battery Information for detailed instructions on replacing the battery in the MX2203 logger. |
|
Time Accuracy |
± 1 minute per month at 25°C (77°F) |
|
Full Memory Dowload |
Approximately 45 seconds; may take longer the farther the device is from the logger |
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Wetted Materials |
MX2203: Polypropylene case, EPDM O-ring, stainless steel screws, Santoprene® (TPE) boot |
|
Dimensions |
MX2203: 4.45 x 7.32 x 3.58 cm (1.75 x 2.88 x 1.41 inches) |
|
Weight |
MX2203: 36.2 g (1.28 oz) |
The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
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HOBO MX2203 TidbiT waterproof temperature logger leverages the power of Bluetooth Low Energy (BLE) to deliver high-accuracy temperature measurements straight to your mobile device or Windows computer with Onset's free HOBOconnect app. Designed for durability, this rugged waterproof logger is ideal for long-term deployments in streams, lakes, and oceans (up to 400-foot depths). The HOBO MX2203 also provides the additional feature to detect and record the presence of water which is ideal for monitoring intermittent water applications. Data collection in the field has never been easier!
Key Features
- Convenient wireless setup and download via Bluetooth Low Energy (BLE)
- Large memory stores 96,000 measurements
- Waterproof to 120 metres (400 feet)
- User-replaceable battery
- Waterproof boot protects the logger during deployment
- LED alarm notifies you when temperature exceeds set threshold
- Water detection feature conserves battery life
- ±0.2°C (±0.36°F) accuracy
This data logger operates in indoor, outdoor and underwater environments.
Supports the following measurements: Soil Temperature, Temperature and Water Temperature.
Requires a compatible mobile device or Windows computer and the free HOBOconnect app.