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HOBO MX2205 TidbiT External Temperature Logger

Bluetooth-enabled logger with external sensor

NEW

A waterproof data logger with both an internal sensor and an external sensor that’s designed for monitoring fast-changing temperatures; can be deployed just above water or soil, for the most convenient wireless data download to your mobile device or laptop.

IMPORTANT INFORMATION
Requires a compatible mobile device or Windows computer and the HOBOconnect app. System requirements for the app can be found at the bottom of the HOBOconnect software page.

Technical specifications

Temperature Sensors

Range

Probe | -40 to 100°C (-40 to 212°F), with tip and cable immersion in fresh water up to 50°C (122°F) for one year

Logger | -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

Probe

±0.25°C from -40 to 0°C

(±0.45 from -40 to 32°F)

±0.2°C from 0 to 70°C

(±0.36 from 32 to 158°F)

±0.25°C from 70 to 100°C

(±0.45 from 158 to 212°F)

Logger

±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

Probe | 3 minutes in air moving 1 m/sec; 20 seconds in stirred water

Logger | 15 minutes typical to 90% in air moving 1 m/s, unmounted; 4 minutes typical to 90% in stirred water, unmounted

Logger

Logger Operating Range

-20° to 70°C (-4° to 158°F)

Buoyancy (Fresh Water)

14.26 g (0.50 oz) negative

Waterproof Rating

To 30.5 m (100 ft)

Radio Power

1 mW (0 dBm)

Transmission Range

Approximately 30.5 m (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, non-replaceable

Battery Life

3 years, typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off disabled in software.

5 years, typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off enabled in the app.

Faster logging intervals and statistics sampling intervals, burst logging, remaining connected with the app, excessive downloads, and paging may affect battery life.

Memory

96,000 measurements

Full Memory Download Time

Approximately 45 seconds; may take longer the farther the device is from the logger.

Wetted Materials

Epoxy case, Santoprene (TPE) boot

Dimensions

4.06 x 6.99 x 3.51 cm (1.6 x 2.75 x 1.38 inches)

External temperature sensor diameter: 0.53 cm (0.21 in.)

External sensor cable length: 2 m (6.56 ft.)

Weight

70.0 g (2.47 oz.)

Environmental Rating

IP68

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Any questions or would you like to receive a quote? Let us know by filling out the form below and our sales team will get in touch.

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