HOBO TidbiT MX Temperature 5000′ Data Logger

SKU: MX2204

Overview

The HOBO MX2204 TidbiT waterproof temperature logger leverages the power of Bluetooth Low Energy (BLE) to deliver high-accuracy temperature measurements straight to your iOS or Android mobile device. Designed for durability, this rugged waterproof logger is ideal for long-term deployments in streams, lakes, and oceans. Data collection in the field has never been easier!

Highlighted Features

  • Convenient wireless setup and download via Bluetooth Low Energy (BLE)
  • Large memory stores 96,000 measurements
  • Waterproof to 1500 meters (5000 feet)
  • Waterproof boot protects the logger during deployment
  • LED alarm notifies you when temperature exceeds set threshold
  • Water detection feature conserves battery life
  • Works with Onset’s free HOBOmobile app
  • ±0.2°C (±0.36°F) accuracy

In what environment does this data logger operate?

This data logger operates in indoor, outdoor and underwater environments.

What measurements does this data logger support?

The MX2204 data logger supports the following measurements: Temperature and Water Temperature

Temperature Sensor

Range :
-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 158°F)

Resolution :
0.01°C (0.018°F)

Drift :
<0.1°C (0.18°F) per year

Response Time :
15 minutes typical to 90% in air moving 1 m/s, unmounted;
4 minutes typical to 90% in stirred water, unmounted

Logger

:-

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) in air

Logging Rate

1 second to 18 hours

Buoyancy (Fresh Water)

7.6 g (0.27 oz) negative

Waterproof / Water Detection

To 1,524 m (5,000 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.
The water conductivity circuit may not reliably detect water that has frozen around the electrodes, i.e. below 0°C (32°F)

Memory

96,000 measurements

Battery

CR2477 3V lithium, non-replaceable in MX2204

Battery Life

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

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

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)

Weight

32.8 g (1.16 oz)

MX2204 Data Sheet

Download

MS2204 Quick Start Guide

Download

MX2203 Manual

Download