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MX2203 Wireless Waterproof Temperature Data Logger (120m)
MX2203 Wireless Waterproof Temperature Data Logger (120m)
Place of Origin:
United States
Brand:
Onset
Model:
MX2203
Supplier:
D & J (Shanghai) Technology Co., Ltd.
Price:
Hits:
2 
Updated:
4/7/2026
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  • Product Detail
  • Company Profile

    Application:

    The HOBO MX2203 TidbiT Waterproof Temperature Data Logger utilizes Bluetooth functionality to deliver high-precision temperature measurements directly to mobile devices or Windows computers via Onset's free HOBOconnect app.

    This rugged, waterproof logger is ideal for long-term deployment in streams, lakes, and oceans (depths up to 400 feet). The HOBO MX2203 also includes the capability to detect and record the presence of water, making it ideal for monitoring intermittent water applications.

    Features:

    • Convenient wireless setup and download via Bluetooth
    • Stores 96,000 measurements
    • Waterproof to 120 meters (400 feet)
    • Water detection logging when logger enters/exits water
    • User-replaceable battery
    • Waterproof boot protects logger during deployment
    • LED alert notifies you when temperature exceeds set thresholds
    • Extended battery life feature
    • Works with Onset's free HOBOconnect app
    • ±0.2°C (±0.36°F) accuracy

     

    Technical Specifications:

    Temperature Measurement Range

    -20°C to 70°C (air), -20°C to 50°C (underwater)

    Measurement 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

    Storage Capacity

    96,000 measurements

    Transmission Method

    Bluetooth 4.0

    Battery

    CR2477 3V lithium battery, user-replaceable

    Battery Life

    3 years, typical temperature 25°C (77°F), logging interval 1 minute, Bluetooth always on in software

    5 years, typical temperature 25°C (77°F), logging interval 1 minute, Bluetooth always off in software or Bluetooth off water detection

    Faster logging intervals and statistical sampling intervals, burst logging, remaining connected to the app, excessive downloading and paging may affect battery life

    Protection Rating

    IP68

    Alarm

    Custom alarm trigger outside -20°C to 70°C range

    Response Time

    17 minutes at 1 m/s in air; 7 minutes in water

    Measurement Depth

    120m (400 feet)

    Material

    Polypropylene housing, stainless steel screws, EPDM O-rings

    Weight

    36.2 grams (1.28 ounces)

    Wireless Transmission Range

    30.5m

    Logging Interval

    1 second to 18 hours

    Buoyancy (Fresh Water)

    Negative 3.1 grams (0.11 ounces)

    Dimensions

    4.45 x 7.32 x 3.58 cm

    Country of Origin: USA

    bio-equip.cn
    Dianjiang Technology (www.Dianjiangtech.cn) has been dedicated to the research, development, sales, and service of scientific research and application systems and instruments related to ecological environment and modern agriculture since 2001. Headquartered in Shanghai, the company has established regional offices in Hong Kong, Beijing, Kunming, Hefei, and Xi'an to promptly respond to customer needs. The company has always been committed to providing users with more advanced technologies and instruments, as well as superior services, covering fields such as soil science, plant science, environmental meteorology, hydrology and water quality, marine science, zoology, entomology, and modern agriculture.
    Dianjiang Technology consistently adheres to the principles of integrity, professionalism, efficiency, and gratitude, providing our valued customers with comprehensive quality services including industry updates, project design, solution consultation, product selection, professional procurement, installation training, and ongoing maintenance. The company has also participated in numerous national and provincial/ministerial-level major scientific research projects, providing technical support for initiatives such as the Ministry of Education's "211" and "985" university construction projects, the Ministry of Water Resources' "948" project, the Ministry of Agriculture's "Discipline Cluster" program, the Chinese Ecosystem Research Network (CERN), and the Chinese Forest Ecosystem Research Network (CFERN). The company has earned an excellent reputation through its quality services.
    Featured Projects:
    Ancient and Famous Tree Detection
    Soil Lysimeter and Evapotranspiration Monitoring
    UAV Remote Sensing
    Carbon Source and Sink Monitoring
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