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 S-TMB-M006 Temperature Smart Sensor with 19.7' cable-

Onset HOBO S-TMB-M006 Temperature Smart Sensor with 19.7' cable
Model: S-TMB-M006

Your Price $135.00 USD
Availability 6 to 7 Weeks

Qty:

Your Price $135.00 USD
Availability 6 to 7 Weeks
Quantity

Onset HOBO S-TMB-M017 Temperature Smart Sensor with 55.8' cable-

Onset HOBO S-TMB-M017 Temperature Smart Sensor with 55.8' cable
Model: S-TMB-M017

Your Price $159.00 USD
Availability 1 Week

Qty:

Your Price $159.00 USD
Availability 1 Week
Quantity

Onset HOBO U20-001-01-Ti Water Level Data Logger, 30', titanium-

Onset HOBO U20-001-01-Ti Water Level Data Logger, 30', titanium
Model: U20-001-01-Ti

Your Price $760.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $760.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO U20-001-02-Ti Water Level Data Logger, 100 ', titanium-

Onset HOBO U20-001-02-Ti Water Level Data Logger, 100 ', titanium
Model: U20-001-02-Ti

Your Price $760.00 USD
Availability 4 to 5 Weeks

Qty:

Your Price $760.00 USD
Availability 4 to 5 Weeks
Quantity

Onset HOBO U20-001-03-Ti Water Level Data Logger, 250', titanium-

Onset HOBO U20-001-03-Ti Water Level Data Logger, 250', titanium
Model: U20-001-03-Ti

Your Price $760.00 USD
Availability 3 to 4 Weeks

Qty:

Your Price $760.00 USD
Availability 3 to 4 Weeks
Quantity

Onset HOBO U20-001-04-Ti Water Level Data Logger, 13 ', titanium-

Onset HOBO U20-001-04-Ti Water Level Data Logger, 13 ', titanium
Model: U20-001-04-Ti

Your Price $760.00 USD
Availability 4 to 5 Weeks

Qty:

Your Price $760.00 USD
Availability 4 to 5 Weeks
Quantity

Onset HOBO U20L-02 Water Level Data Logger, 100'-

Onset HOBO U20L-02 Water Level Data Logger, 100'
Model: U20L-02

Your Price $385.00 USD
Availability 2 to 3 Weeks
Your Price $385.00 USD
Availability 2 to 3 Weeks
Quantity
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Onset HOBO KIT-D-U20-01 Water Level Data Logger Deluxe Kit, 30'-

Onset HOBO KIT-D-U20-01 Water Level Data Logger Deluxe Kit, 30'
Model: KIT-D-U20-01

Your Price $1610.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $1610.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO KIT-D-U20-02 Water Level Data Logger Deluxe Kit, 100'-

Onset HOBO KIT-D-U20-02 Water Level Data Logger Deluxe Kit, 100'
Model: KIT-D-U20-02

Your Price $1610.00 USD
Availability 1 to 2 Weeks

Qty:

Your Price $1610.00 USD
Availability 1 to 2 Weeks
Quantity

Onset HOBO KIT-D-U20-04 Water Level Data Logger Deluxe Kit, 13'-

Onset HOBO KIT-D-U20-04 Water Level Data Logger Deluxe Kit, 13'
Model: KIT-D-U20-04

Your Price $1610.00 USD
Availability 8 to 9 Weeks

Qty:

Your Price $1610.00 USD
Availability 8 to 9 Weeks
Quantity

Onset HOBO MX2301A Wireless Temperature/RH Humidity Data Logger-

Onset HOBO MX2301A Wireless Temperature/RH Humidity Data Logger
Model: MX2301A

Your Price $205.00 USD
Availability 4 to 5 Weeks

Qty:

Your Price $205.00 USD
Availability 4 to 5 Weeks
Quantity

Onset HOBO MX2302A External Wireless Temperature/Humidity Data Logger-

Onset HOBO MX2302A External Wireless Temperature/Humidity Data Logger
Model: MX2302A

Your Price $245.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $245.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2303 Wireless Temperature Data Logger with two external sensors-

Onset HOBO MX2303 Wireless Temperature Data Logger with two external sensors
Model: MX2303

Your Price $245.00 USD
Availability 6 to 7 Weeks

Qty:

Your Price $245.00 USD
Availability 6 to 7 Weeks
Quantity

Onset HOBO MX2304 Wireless Temperature Data Logger with external sensor-

Onset HOBO MX2304 Wireless Temperature Data Logger with external sensor
Model: MX2304

Your Price $180.00 USD
Availability 8 to 9 Weeks

Qty:

Your Price $180.00 USD
Availability 8 to 9 Weeks
Quantity

Onset HOBO MX2305 Wireless Temperature Data Logger with internal sensor-

Onset HOBO MX2305 Wireless Temperature Data Logger with internal sensor
Model: MX2305

Your Price $135.00 USD
Availability 6 to 7 Weeks

Qty:

Your Price $135.00 USD
Availability 6 to 7 Weeks
Quantity

Onset HOBO MX2300-RS-BRACKET Mounting Bracket for RS1 or M-RSA-

Onset HOBO MX2300-RS-BRACKET Mounting Bracket for RS1 or M-RSA
Model: MX2300-RS-BRACKET

Your Price $19.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $19.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO BASE-U-4 Universal Optic USB Base Station-

Onset HOBO BASE-U-4 Universal Optic USB Base Station
Model: BASE-U-4

Your Price $185.00 USD
Availability 2 in Stock

Qty:

Your Price $185.00 USD
Availability 2 in Stock
Quantity

Onset HOBO BHW-PRO-USB Onset HOBOware Pro Software Compatible with Mac and Windows-

Onset HOBO BHW-PRO-USB Onset HOBOware Pro Software Compatible with Mac and Windows
Model: BHW-PRO-USB

Your Price $99.00 USD
Availability 7 to 8 Weeks

Qty:

Your Price $99.00 USD
Availability 7 to 8 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 U-DTW-1 Waterproof Shuttle and Base Station-

Onset HOBO U-DTW-1 Waterproof Shuttle and Base Station
Model: U-DTW-1

Your Price $339.00 USD
Availability 7 to 8 Weeks

Qty:

Your Price $339.00 USD
Availability 7 to 8 Weeks
Quantity

We Ship Free on Orders Over &99 within Canada