Part Number - MX2203

HOBO TidbiT MX Temperature 400' Data Logger

Bluetooth

$155.00 USD
A waterproof temperature logger that uses the power of Bluetooth to deliver high-accuracy data straight to your mobile device or Windows computer running Onset's free HOBOconnect app.

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

NOTE: The MX2203 is currently experiencing extended lead times. Consider upgrading to the HOBO TidBit MX2204, which offers faster response time and an even more rugged design:

UPGRADE TO THE MX2204

Overview

A waterproof temperature logger that uses the power of Bluetooth to deliver high-accuracy data straight to your mobile device or Windows computer running Onset's free HOBOconnect app. Designed for durability, this rugged logger is ideal for long-term deployments in streams, lakes, and oceans (up to 400-foot depths). Also includes a 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!

 

Features

  • Convenient wireless setup and download via Bluetooth
  • Large memory stores 96,000 measurements
  • Waterproof to 120 meters (400 feet)
  • Water-detection feature records when logger is in and out of the water
  • User-replaceable battery
  • Waterproof boot protects the logger during deployment
  • LED indicates when temperature exceeds set threshold
  • Battery life extension feature
  • Works with Onset’s free HOBOconnect app
  • ±0.2°C (±0.36°F) accuracy

Specifications

Temperature Sensor

Range
-20° to 70°C in air; -20° to 50°C in water
-4° to 158°F in air; -4° to 122°F in water
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 per year
<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

Logger Operating Range
-20° to 70°C
-4° to 158°F
Buoyancy (Fresh Water)
3.1 g negative
0.11 oz negative
Depth Rating
IP68; waterproof to 122 m (400 ft)
Water Detection
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.
The water conductivity circuit may not reliably detect water that has frozen around the electrodes, i.e. below 0°C (32°F).
Radio Power
1 mW
0 dBm
Transmission Range
Approximately 30.5 m line-of-sight
Approximately 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
±1 minute per month at 77°F
Battery
CR2477 3V lithium, user 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 or Bluetooth Off Water Detect 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 in the MX2203 logger.
Memory
96,000 measurements
Full Memory Download Time
Approximately 45 seconds; may take longer the farther the device is from the logger
Wetted Materials
Polypropylene case, Delrin® battery cover, EPDM O-ring, stainless steel screws, Santoprene® (TPE) boot
Dimensions
4.45 x 7.32 x 3.58 cm
1.75 x 2.88 x 1.41 inches
Weight
36.2 g
1.28 oz
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CE Compliance Mark
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United States FCC Mark
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Korean KC Certification Mark
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Australia-New Zealand Regulatory Compliance Mark (RCM)
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Japanese TELEC Mark

Compatible items

Solar Radiation Shields

RS1
$100.00 USD
M-RSA
$149.00 USD

Compliance Certificates

COMPLIANCE CERT
$30.00 USD
NIST-TEMP-POINT
$51.00 USD

Protective Covers and Boots

BOOT-MX2203-GR
$55.00 USD

Replacement Parts

MX2203-ORING
$12.00 USD

Communications

MXGTW1
$375.00 USD

Batteries

HRB-2477
$60.00 USD

What's in the box

  • HOBO MX2203 Data Logger
  • Protective boot

Documents

Getting Started with MX Data Loggers

This Getting Started guide will walk you through the basic steps of data logging, setting up your new data logger, downloading and sharing data, and the option to upload your data to the cloud.
View View

HOBO TidbiT MX Temp 400 (MX2203) and Temp 5000 (MX2204) Logger Manual

Detailed overview of how to connect to MX2203/2304 loggers via the HOBOconnect app, downloading data, enabling statistics, configuring loggers & alarms, deployment and mounting guidelines & more
View View

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