MX2205
HOBO TidbiT MX External Temp Data Logger
Bluetooth logger with external sensor
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.
Compatible with
Overview
The HOBO TidbiT MX2205 is ideal for monitoring shallow waters, like streams and wetlands, or for monitoring soil in fields that are prone to flooding. Equipped with both an internal sensor to monitor ambient temperature and an external sensor on a 2m cable to accurately monitor fast-changing temperatures, the HOBO TidbiT Mx2205 is a low-cost, easy-to-use, waterproof logger that leverages the power of Bluetooth to deliver high-accuracy data straight to your mobile device or Windows laptop running Onset's free HOBOconnect app. This rugged logger withstands harsh environments, and can be deployed just above water or soil for quicker, more convenient data downloads that don’t require pulling up the logger.
Features
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Specifications
Temperature Sensors
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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 yearLogger | -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)
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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)
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0.01°C (0.018°F)
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<0.1°C (0.18°F) per year
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Probe | 3 minutes in air moving 1 m/sec; 20 seconds in stirred waterLogger | 15 minutes typical to 90% in air moving 1 m/s, unmounted; 4 minutes typical to 90% in stirred water, unmounted
Logger
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-20° to 70°C (-4° to 158°F)
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14.26 g (0.50 oz) negative
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To 30.5 m (100 ft)
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1 mW (0 dBm)
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Approximately 30.5 m (100 ft) line-of-sight
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Bluetooth Low Energy (Bluetooth Smart)
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1 second to 18 hours
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±1 minute per month at 25°C (77°F)
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CR2477 3V lithium, non-replaceable
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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.
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96,000 measurements
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Approximately 45 seconds; may take longer the farther the device is from the logger.
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Epoxy case, Santoprene (TPE) boot
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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.)
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70.0 g (2.47 oz.)
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IP68
Compatible items
Communications
Resources
Getting Started with MX Data Loggers
