Onset
Water Temp TidbiT Data Logger
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Water Temp TidbiT Data Logger
EUCA Head Office
Clearwater Office Park
Parkhaven, Block H Ground Floor
Boksburg
Gauteng
1459
South Africa
The HOBO MX2203 TidbiT waterproof temperature logger uses the power of Bluetooth Low Energy (BLE) to deliver high-accuracy temperature data straight to your iOS, Android mobile device, or Windows computer using Onset's free HOBOconnect app. Designed for durability, this rugged logger is perfect for long-term deployments in streams, lakes, and oceans (up to 400-foot or 120-meter depths).
Additionally, it includes a feature to detect and record the presence of water, making it ideal for monitoring intermittent water applications. Data collection in the field has never been easier!
Documentation
Quick StartUser Manual
Highlighted Features
- Convenient wireless setup and download via Bluetooth
- Large memory stores 96,000 measurements
- Waterproof to 120 meters (400 feet)
- Water-detection feature records when logger is in and out of the water
- User-replaceable battery
- Waterproof boot protects the logger during deployment
- LED indicates when temperature exceeds set threshold
- Battery life extension feature
- Works with Onset’s free HOBOconnect app
- ±0.2°C (±0.36°F) accuracy
Specifications
| Specification | Value (Metric and Imperial) |
|---|---|
| Temperature Sensor | |
| Range (in air) | -20° to 70°C (-4° to 158°F) |
| Range (in water) | -20° to 50°C (-4° to 122°F) |
| Accuracy (-20° to 0°C) | ±0.25°C (±.45°F from -4° to 32°F) |
| Accuracy (0° to 70°C) | ±0.2°C (±0.36°F from 32° to 158°F) |
| Resolution | 0.01°C (0.018°F) |
| Drift | <0.1°C per year (0.18°F per year) |
| Response Time (in air) | 17 minutes typical to 90% in air moving 1 m/s, unmounted |
| Response Time (in stirred water) | 7 minutes typical to 90% |
| Logger | |
| Logger Operating Range | -20° to 70°C (-4° to 158°F) |
| Buoyancy (Fresh Water) | 3.1 g negative (0.11 oz negative) |
| Waterproof | To 122 m (To 400 ft) |
| Water Detection | Conductivity level of 100 µS/cm or greater; limitations apply |
| Radio Power | 1 mW (0 dBm) |
| Transmission Range | Approximately 30.5 m line-of-sight (Approximately 100 ft line-of-sight) |
| Wireless Data Standard | Bluetooth Low Energy (Bluetooth Smart) |
| Logging Rate | 1 second to 18 hours |
| Time Accuracy | ±1 minute per month at 25°C (77°F) |
| Battery | CR2477 3V lithium, user replaceable |
| Battery Life | Varies with conditions (see description above) |
| Memory | 96,000 measurements |
| Full Memory Download Time | Approximately 45 seconds (distance may affect time) |
| Wetted Materials | Polypropylene case, Delrin® battery cover, EPDM O-ring, stainless steel screws, Santoprene® (TPE) boot |
| Dimensions | 4.45 x 7.32 x 3.58 cm (1.75 x 2.88 x 1.41 inches) |
| Weight | 36.2 g (1.28 oz) |
| Environmental Rating | IP68 |
Applications
In what environment does this data logger operate?
This data logger operates in indoor, outdoor, and underwater environments.
What measurements does this data logger support?
The MX2203 data logger supports the following measurements: Temperature and Water Temperature