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HOBO - Model MX2203 TidbiT -Temperature 400` Data Logger
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!
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- 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
- Waterproof boot protects the logger during deployment
- LED alarm notifies you when temperature exceeds set threshold
- Water detection feature conserves battery life
- Works with Onset’s free HOBOmobile app
- ±0.2°C (±0.36°F) accuracy
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, non-replaceable in MX2204
- Battery Life:
- 3 years, typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always On 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 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
- 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)
- Environmental Rating IP68