Description
The HOBO MX2203 TidbiT waterproof temperature logger leverages the power of Bluetooth Low Energy (BLE) to deliver high-accuracy temperature measurements straight to your iOS or Android mobile device. Designed for durability, this rugged waterproof logger is ideal for long-term deployments in streams, lakes, and oceans (up to 400 foot depths). Data collection in the field has never been easier!
Features
- Convenient wireless setup and download via Bluetooth Low Energy (BLE)
- Large memory stores 96,000 measurements
- Waterproof to 120 meters (400 feet)
- User-replaceable battery
- Mounting tabs for fast, easy deployment
- LED alarm notifies you when temperature exceeds set threshold
- Works with Onset’s free HOBOmobile app
- ±0.2°C (±0.36°F) accuracy
- Water detection feature conserves battery life
Specifications
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Temperature Sensor (MX2203) |
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Range |
MX2203: -20° to 70°C (-4° to 158°F) in air; -20° to 50°C (-4° to 122°F) in water |
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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) |
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Resolution |
0.01°C (0.018°F) |
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Drift |
<0.1°C (0.18°F) per year |
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Response Time |
MX2203: 17 minutes typical to 90% in air moving 1 m/s, unmounted; 7 minutes typical to 90% in stirred water, unmounted |
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Logger |
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Radio Power |
1 mW (0 dBm) |
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Transmission Range |
Approximately 30.5 m (100 ft) line-of-sight |
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Wireless Data Standard |
Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0) |
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Logger Operating Range |
-20° to 70°C (-4° to 158°F) |
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Logging Rate |
1 second to 18 hours |
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Buoyancy (Fresh Water) |
MX2203: 3.1 g (0.11 oz) negative |
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Waterproof |
MX2203: To 122 m (400 ft) |
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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). |
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Memory |
96,000 measurements |
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Battery |
CR2477 3V lithium, user replaceable in MX2203, non-replaceable in MX2204 |
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Battery Life |
3 years, typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off disabled in software. |
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Time Accuracy |
± 1 minute per month at 25°C (77°F) |
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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 |
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Dimensions |
MX2203: 4.45 x 7.32 x 3.58 cm (1.75 x 2.88 x 1.41 inches) |
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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).