Water

Onset HOBO data loggers set the standard for reliable, accurate data logging for water monitoring applications.

HOBO water applications

Get data you can count on, from data loggers you can trust, with Onset's HOBO water monitoring solutions that are...

  • Highly accurate

  • Easily deployed

  • Durable

  • Affordable

Water is our most precious – and most at-risk – resource, so it’s more important than ever to assess and monitor impacts from climate change, urban development, and agriculture. Whether you need to track water temperature in a stream, or groundwater levels or salinity in an estuary, HOBO products offer cost-effective solutions for a wide range of water parameters and applications.


Onset HOBO M-MPA Mast, 9.8'-

Onset HOBO M-MPA Mast, 9.8'
Model: M-MPA

Your Price $95.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $95.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO M-MPB Mast, 4.9'-

Onset HOBO M-MPB Mast, 4.9'
Model: M-MPB

Your Price $70.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $70.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO M-RSA Solar Radiation Shield-

Onset HOBO M-RSA Solar Radiation Shield
Model: M-RSA

Your Price $189.00 USD
Availability 4 to 5 Weeks

Qty:

Your Price $189.00 USD
Availability 4 to 5 Weeks
Quantity

Onset HOBO M-SKA Stake Kit, 0.5"-

Onset HOBO M-SKA Stake Kit, 0.5"
Model: M-SKA

Your Price $70.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $70.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO M-SKB Stake Kit, 0.25"-

Onset HOBO M-SKB Stake Kit, 0.25"
Model: M-SKB

Your Price $45.00 USD
Availability 3 to 4 Weeks

Qty:

Your Price $45.00 USD
Availability 3 to 4 Weeks
Quantity

Onset HOBO MX2001-01-SS Wireless Water Level Data Logger with 29.5' SS sensor-

Onset HOBO MX2001-01-SS Wireless Water Level Data Logger with 29.5' SS sensor
Model: MX2001-01-SS

Your Price $780.00 USD
Availability 9 to 10 Weeks

Qty:

Your Price $780.00 USD
Availability 9 to 10 Weeks
Quantity

Onset HOBO MX2001-01-SS-S Water Level sensor, 29.5', stainless steel-

Onset HOBO MX2001-01-SS-S Water Level sensor, 29.5', stainless steel
Model: MX2001-01-SS-S

Your Price $435.00 USD
Availability 10 to 11 Weeks

Qty:

Your Price $435.00 USD
Availability 10 to 11 Weeks
Quantity

Onset HOBO MX2001-01-Ti Wireless Water Level Data Logger with 29.5' titanium sensor-

Onset HOBO MX2001-01-Ti Wireless Water Level Data Logger with 29.5' titanium sensor
Model: MX2001-01-Ti

Your Price $825.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $825.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2001-01-Ti-S Water Level sensor, 29.5', titanium-

Onset HOBO MX2001-01-Ti-S Water Level sensor, 29.5', titanium
Model: MX2001-01-Ti-S

Your Price $480.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $480.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2001-02-SS-S Water Level sensor, 30m, stainless steel-

Onset HOBO MX2001-02-SS-S Water Level sensor, 30m, stainless steel
Model: MX2001-02-SS-S

Your Price $435.00 USD
Availability 5 Days

Qty:

Your Price $435.00 USD
Availability 5 Days
Quantity

Onset HOBO MX2001-03-SS Wireless Water Level Data Logger with 719.7' SS sensor-

Onset HOBO MX2001-03-SS Wireless Water Level Data Logger with 719.7' SS sensor
Model: MX2001-03-SS

Your Price $780.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $780.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2001-03-SS-S Water Level sensor, 719.7', stainless steel-

Onset HOBO MX2001-03-SS-S Water Level sensor, 719.7', stainless steel
Model: MX2001-03-SS-S

Your Price $435.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $435.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2001-04-SS Wireless Water Level Data Logger with 13.1' SS sensor-

Onset HOBO MX2001-04-SS Wireless Water Level Data Logger with 13.1' SS sensor
Model: MX2001-04-SS

Your Price $780.00 USD
Availability 9 to 10 Weeks

Qty:

Your Price $780.00 USD
Availability 9 to 10 Weeks
Quantity

Onset HOBO MX2001-04-SS-S Water Level sensor, 13.1', stainless steel-

Onset HOBO MX2001-04-SS-S Water Level sensor, 13.1', stainless steel
Model: MX2001-04-SS-S

Your Price $435.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $435.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2001-04-Ti Wireless Water Level Data Logger with 13.1' titanium sensor-

Onset HOBO MX2001-04-Ti Wireless Water Level Data Logger with 13.1' titanium sensor
Model: MX2001-04-Ti

Your Price $825.00 USD
Availability 8 to 9 Weeks

Qty:

Your Price $825.00 USD
Availability 8 to 9 Weeks
Quantity

Onset HOBO MX2001-04-Ti-S Water Level sensor, 13.1', titanium-

Onset HOBO MX2001-04-Ti-S Water Level sensor, 13.1', titanium
Model: MX2001-04-Ti-S

Your Price $480.00 USD
Availability 1 to 2 Weeks

Qty:

Your Price $480.00 USD
Availability 1 to 2 Weeks
Quantity

Onset HOBO MX2001-TOP MX Wireless Water Level Data Logger, top-end unit-

Onset HOBO MX2001-TOP MX Wireless Water Level Data Logger, top-end unit
Model: MX2001-TOP

Your Price $380.00 USD
Availability 7 to 8 Weeks

Qty:

Your Price $380.00 USD
Availability 7 to 8 Weeks
Quantity

Onset HOBO MX2200-RS-BRACKET Bracket for RS1 or M-RSA-

Onset HOBO MX2200-RS-BRACKET Bracket for RS1 or M-RSA
Model: MX2200-RS-BRACKET

Your Price $14.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $14.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2201 Pendant Wireless Temperature Data Logger-

Onset HOBO MX2201 Pendant Wireless Temperature Data Logger
Model: MX2201

Your Price $79.00 USD
Availability 5 in Stock

Qty:

Your Price $79.00 USD
Availability 5 in Stock
Quantity

Onset HOBO MX2201-02-ORING O-ring for the MX2201 and MX2202, 5-pack-

Onset HOBO MX2201-02-ORING O-ring for the MX2201 and MX2202, 5-pack
Model: MX2201-02-ORING

Your Price $12.00 USD
Availability 6 to 7 Weeks

Qty:

Your Price $12.00 USD
Availability 6 to 7 Weeks
Quantity

We Ship Free on Orders Over &99 within Canada