Equipped with the power of Bluetooth Low Energy (BLE) the Onset HOBO MX2201 water temperature logger provides precision temperature measurement directly to iOS or Android mobile devices. Compact and rugged, the logger is perfect for temperature measurement in lakes, streams, oceans and soil environments.
Specifications
Temperature Sensor (MX2201 and MX2202)
Range
-20° to 70°C (-4° to 158°F) in air -20° to 50°C (-4° to 122°F) in water
Accuracy
±0.5°C from -20° to 70°C (-4° to 158°F)
Resolution
0.04°C (0.072°F)
Drift
<0.1°C (0.18°F) per year
Response Time
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) in air
Logging Rate
1 second to 18 hours
Buoyancy (Fresh Water)
2g (0.07 oz) positive
Waterproof
To 30.5 m (100 ft)
Memory
96,000 measurements
Battery
CR2032 3V lithium, user replaceable
Battery Life
1 year typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off disabled in software.
2 years typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off 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.
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
Polypropylene case, EPDM O-ring
Dimensions
3.35 x 5.64 x 1.6 cm (1.32 x 2.22 x 0.63 inches)
Weight
12.75 g (.45 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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