The HOBO MX2204 TidbiT waterproof temperature logger leverages the power of Bluetooth Low Energy (BLE) to deliver high-accuracy temperature measurements straight to your mobile device with Onset's free HOBOconnect app. Designed for durability, this rugged waterproof logger is ideal for long-term deployments in streams, lakes, and oceans. The HOBO MX2204 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!
Add the MX Gateway for remote access to your data in Onset's cloud-based HOBOlink software.
Manufactured by: Onset
Model: HOBO MX2204 TidbiT 5000' Temperature Logger
|Temperature Sensor (MX2203 and MX2204)|
|Range||MX2203: -20° to 70°C (-4° to 158°F) in air; -20° to 50°C (-4° to 122°F) in water
MX2204: -20° to 70°C (-4° to 158°F) in air; -20° to 50°C (-4° to 122°F) in water, maximum sustained temperature in water 30°C (86°F)
|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 15°8°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
MX2204: 15 minutes typical to 90% in air moving 1 m/s, unmounted;
4 minutes typical to 90% in stirred water, unmounted
|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
MX2203: To 122 m (400 ft)
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.
|Battery||CR2477 3V lithium, user replaceable in MX2203, non-replaceable in MX2204|
3 years, typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always On in software.
|Time Accuracy||± 1 minute per month at 25°C (77°F)|
|Full Memory Download||Approximately 45 seconds; may take longer the farther the device is from the logger|
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)
MX2204: 4.06 x 6.99 x 3.51 cm (1.6 x 2.75 x 1.38 inches)
MX2203: 36.2 g (1.28 oz)