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HOBO Pendant MX Water Temperature Data Logger

The HOBO MX2201 water temperature logger leverages the power of Bluetooth Low Energy (BLE) to deliver accurate temperature measurements straight to your iOS or Android mobile device
Part Number: MX2201
Delivery date: 1-2 weeks
$94.00 ex GST
[$103.40 inc GST]

Overview

The HOBO MX2201 water temperature logger leverages the power of Bluetooth Low Energy (BLE) to deliver accurate temperature measurements straight to your iOS or Android mobile device. Designed for durability, this compact waterproof logger is ideal for measuring temperature in streams, lakes, oceans, and soil environments. Data collection in the field has never been easier!

Highlighted Features

  • Convenient wireless setup and download via Bluetooth Low Energy (BLE)
  • Large memory stores 98,000 measurements
  • Waterproof to 30 meters (100 feet)
  • User-replaceable battery
  • Mounting tabs for fast, easy deployment
  • LED alarm notifies you when temperature exceeds set threshold
  • Works with Onset’s free HOBOmobile app
  • ±0.5°C (±0.9°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 MX2201 data logger supports the following measurements: Temperature and Water Temp

Important Info

The HOBO MX2204 data logger requires the HOBOmobile App and a compatible mobile device. The system requirements for the HOBOmobile app can be found at the bottom of our HOBOmobile software page.

Overview

The HOBO MX2201 water temperature logger leverages the power of Bluetooth Low Energy (BLE) to deliver accurate temperature measurements straight to your iOS or Android mobile device. Designed for durability, this compact waterproof logger is ideal for measuring temperature in streams, lakes, oceans, and soil environments. Data collection in the field has never been easier!

Highlighted Features

  • Convenient wireless setup and download via Bluetooth Low Energy (BLE)
  • Large memory stores 98,000 measurements
  • Waterproof to 30 meters (100 feet)
  • User-replaceable battery
  • Mounting tabs for fast, easy deployment
  • LED alarm notifies you when temperature exceeds set threshold
  • Works with Onset’s free HOBOmobile app
  • ±0.5°C (±0.9°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 MX2201 data logger supports the following measurements: Temperature and Water Temp

Important Info

The HOBO MX2204 data logger requires the HOBOmobile App and a compatible mobile device. The system requirements for the HOBOmobile app can be found at the bottom of our HOBOmobile software page.

To see the full specifications for this product, please see our product manual found in the PDF documents above.

Temperature Sensor (MX2201 and MX2202)

Range

-20° to 70°C (-4° to 158°F) in air

-20° to 50°C (-4° to 122°F) in water

Accuracy

±0.5°C from -20° to 70°C (-4° to 158°F)

Resolution

0.04°C (0.072°F)

Drift

<0.1°C (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

 

Light Sensor (MX2202)

Range

0 to 167,731 lux (15,582 lum/ft2)

Accuracy

±10% typical for direct sunlight (see Light Measurement on page 2 for more details)

 

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)

2g (0.07 oz) positive

Waterproof

To 30.5 m (100 ft)

Memory

96,000 measurements

Battery

CR2032 3V lithium, user replaceable

Battery Life

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

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

Time Accuracy

± 1 minute per month at 25°C (77°F)

Full Memory Dowload

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

Wetted Materials

Polypropylene case, EPDM O-ring

Dimensions

3.35 x 5.64 x 1.6 cm (1.32 x 2.22 x 0.63 inches)

Weight

12.75 g (.45 oz)

The CE Marking identifies this product as complying with all relevant directives in the European Union (EU). This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.

Frequently Asked Questions

Can I download data from MX2200 Series loggers deployed in water?
 
No, the MX2200 Series need to be taken out of the water to download the data.

Do I need an optical shuttle to download data from the MX2200?
 
No, you need to have a mobile device such as a phone or tablet that runs iOS or Android operating systems and that have Bluetooth Low Energy (Bluetooth 4.0 or above) in order to download the data.

Is an event recorded in the data file when the logger is submersed or removed from the water?
 
With the MX2203 & MX2204, the user has the option while configuring the loggers to use the Bluetooth Off Water Detect. The logger will not advertise when the presence of water is detected. Once the logger is removed from the water, advertising will automatically turn on, thereby not requiring you to push a button (or use a magnet) to wake up the logger when you need to connect to it. This option preserves some battery power. Note: The logger will check for the presence of water every 15 seconds when this is option is selected.

Do the new MX2200 Series water loggers replace the existing Pendant and TidbiT water loggers?
 
No, we will continue to support the TidbiT, Pendant, and Water Temp Pro optical products although we encourage folks to take a look at the new features of the MX2200 Series.

Can I use HOBOware software to graph, analyze and export the data?
 
You have the ability to share a .HOBO file via email, or use HOBOlink.com to then open up the file in HOBOware to do additional data analysis like combining graphs and analyzing your data further. Note that HOBOmobile can also directly output a .XLSX & .CSV file format if you choose to work in Excel

Onset HOBO MX2200 Series Intro

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