Onset HOBO MX2001 User manual

Quick Start for the HOBO® MX Water Level Logger (MX2001)
19388-M MAN-QSG-MX2001
Before you begin: After completing steps 1–4, we recommend that you perform a trial run of steps 5 through 11 before deploying the
logger.
IMPORTANT: When assembling the logger or attaching the cable, make sure the O-rings and mating housing surfaces are clear of any
debris. Any contamination of these surfaces can cause leaks that will lead to logger failure.
1 Install the batteries in the top end. Unscrew the end cap and pull out the board. Apply a small amount of the fresh dielectric
grease (included) to the battery terminals. Insert the included two AA batteries observing polarity as shown on the board.
Reinsert the board. Screw the cap back on until hand tight.
2
Connect the top end to the sensor end with the water level logger cable as shown here. The end of the cable with the longer
housing connects to the top end as shown below.
3
•Download HOBOconnect® to a phone or tablet from the App Store® or Google Play™.
•Download HOBOconnect to a Windows® computer from www.onsetcomp.com/products/software/hoboconnect.
4 Open the app. Enable Bluetooth® in your device settings if prompted.
5 Tap Devices in the app. The logger should appear in the list of devices. If it does not appear, make sure it is within range of your
phone, tablet, or computer. (Note that the serial number shown in the app is for the top end of the logger).
6 If you are ready to deploy the logger, place it in the deployment location. Refer to the logger manual at
www.onsetcomp.com/manual/mx2001 for deployment guidelines. Otherwise, skip deployment and complete the following
steps as a test.
7 Tap the logger tile in the app to connect to the logger and tap Configure & Start to set up the logger.
Remove board and
install batteries
Top end
Unscrew end cap
Top end
Sensor end
Plug this portion of the cable with
the longer housing into the top end
and screw to tighten (hand tight).
Plug this portion of the cable with the shorter housing
into the sensor end and screw to tighten (hand tight).

U.S. and International Sales: 1-508-759-9500
www.onsetcomp.com/support/contact
© 2015–2022 Onset Computer Corporation. All rights reserved. Onset, HOBO, and HOBOconnect are registered trademarks of
Onset Computer Corporation. App Store is a service mark of Apple Inc. Google Play is a trademark of Google LLC. Windows is a
registered trademark of Microsoft Corporation. Bluetooth is a registered trademark of Bluetooth SIG, Inc. All other trademarks
are the property of their respective companies.
This product has been manufactured by Onset Computer Corporation and in compliance with Onset’s ISO 9001:2015 Quality
Management System.
Patent #: 8,860,569 19388-M MAN-QSG-MX2001
8 Scroll down in the Configuration screen to select the measurement parameters you want to log. Enable differential pressure if
you want water level. Make sure that temperature is enabled if you want water level, absolute pressure, or differential
pressure.
9
Select any other logger settings as desired and then tap Start to save the settings to the logger. The logger begins logging data
based on the settings you selected.
10 In the logger screen:
a. Tap Calibrate.
b. Enter a Reference Water Level and select the unit type. Enter the Reference Water Level at the time the current
deployment started logging.
c. Select a different water density if necessary or enter your own next to Manual Input.
d. Tap Save. Changes take effect immediately. This also creates reference water level and water density events in the data
file.
e. Note: You can also edit the water parameters after you have downloaded data from the logger by tapping when
viewing a data file. See Using the Data File Viewer for details.
11
To download data from the logger to your device, tap Devices. Connect to the logger and tap Download Data. To view or export
the data, tap Data, tap (if applicable), and tap .
For detailed specifications and information about this logger, refer to the complete product manual. Go to
www.onsetcomp.com/manual/mx2001 or scan the code at left.