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 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 U20-001-03 Water Level Data Logger, 250', stainless steel-

Onset HOBO U20-001-03 Water Level Data Logger, 250', stainless steel
Model: U20-001-03

Your Price $620.00 USD
Availability 5 Days

Qty:

Your Price $620.00 USD
Availability 5 Days
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 U20-001-02 Water Level Data Logger, 100', stainless steel-

Onset HOBO U20-001-02 Water Level Data Logger, 100', stainless steel
Model: U20-001-02

Your Price $620.00 USD
Availability 1 to 2 Weeks

Qty:

Your Price $620.00 USD
Availability 1 to 2 Weeks
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 U20-001-01 Water Level Data Logger, 30', stainless steel-

Onset HOBO U20-001-01 Water Level Data Logger, 30', stainless steel
Model: U20-001-01

Your Price $620.00 USD
Availability 6 to 7 Weeks

Qty:

Your Price $620.00 USD
Availability 6 to 7 Weeks
Quantity

Onset HOBO U12-015-Oring-V Replacement O-Ring Kit (Viton)-

Onset HOBO U12-015-Oring-V Replacement O-Ring Kit (Viton)
Model: U12-015-Oring-V

Your Price $21.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $21.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO U12-015-Oring-E Replacement O-Ring Kit (EPDM)-

Onset HOBO U12-015-Oring-E Replacement O-Ring Kit (EPDM)
Model: U12-015-Oring-E

Your Price $21.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $21.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO U12-015-03-ORING-KIT Replacement O-Ring Kit-

Onset HOBO U12-015-03-ORING-KIT Replacement O-Ring Kit
Model: U12-015-03-Oring-Kit

Your Price $24.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $24.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO U12-015-02 Stainless Steel Temperature Data Logger with 5" probe-

Onset HOBO U12-015-02 Stainless Steel Temperature Data Logger with 5" probe
Model: U12-015-02

Your Price $535.00 USD
Availability 8 to 9 Weeks

Qty:

Your Price $535.00 USD
Availability 8 to 9 Weeks
Quantity

Onset HOBO U12-015 Stainless Steel Temperature Data Logger-

Onset HOBO U12-015 Stainless Steel Temperature Data Logger
Model: U12-015

Your Price $359.00 USD
Availability 8 to 9 Weeks

Qty:

Your Price $359.00 USD
Availability 8 to 9 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

Onset HOBO TMC6-HE Temperature Sensor Kit, 6'-

Onset HOBO TMC6-HE Temperature Sensor Kit, 6'
Model: TMC6-HE

Your Price $75.00 USD
Availability 1 to 2 Weeks

Qty:

Your Price $75.00 USD
Availability 1 to 2 Weeks
Quantity

Onset HOBO TMC6-HD Air/Water/Soil Temperature Probe, 6'-

Onset HOBO TMC6-HD Air/Water/Soil Temperature Probe, 6'
Model: TMC6-HD

Your Price $55.00 USD
Availability 7 to 8 Weeks

Qty:

Your Price $55.00 USD
Availability 7 to 8 Weeks
Quantity

Onset HOBO TMC6-HC Stainless Steel Temperature Probe-

Onset HOBO TMC6-HC Stainless Steel Temperature Probe
Model: TMC6-HC

Your Price $119.00 USD
Availability 7 to 8 Weeks

Qty:

Your Price $119.00 USD
Availability 7 to 8 Weeks
Quantity

Onset HOBO TMC50-HD Air/Water/Soil Temperature Probe, 50'-

Onset HOBO TMC50-HD Air/Water/Soil Temperature Probe, 50'
Model: TMC50-HD

Your Price $85.00 USD
Availability 1 Week

Qty:

Your Price $85.00 USD
Availability 1 Week
Quantity

Onset HOBO TMC20-HD Air/Water/Soil Temperature Probe, 20'-

Onset HOBO TMC20-HD Air/Water/Soil Temperature Probe, 20'
Model: TMC20-HD

Your Price $69.00 USD
Availability 6 to 7 Weeks

Qty:

Your Price $69.00 USD
Availability 6 to 7 Weeks
Quantity

Onset HOBO TMC1-HD Air/Water/Soil Temperature Probe, 1'-

Onset HOBO TMC1-HD Air/Water/Soil Temperature Probe, 1'
Model: TMC1-HD

Your Price $50.00 USD
Availability 1 to 2 Weeks

Qty:

Your Price $50.00 USD
Availability 1 to 2 Weeks
Quantity

Onset HOBO TidbiT MX2204 Wireless Temperature Data Logger, 5000'-

Onset HOBO TidbiT MX2204 Wireless Temperature Data Logger, 5000'
Model: MX2204

Your Price $169.00 USD
Availability 5 to 6 Weeks

Qty:

Your Price $169.00 USD
Availability 5 to 6 Weeks
Quantity

Onset HOBO TidbiT MX2203 Wireless Temperature Data Logger, 400'-

Onset HOBO TidbiT MX2203 Wireless Temperature Data Logger, 400'
Model: MX2203

Your Price $159.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $159.00 USD
Availability 2 to 3 Weeks
Quantity

Calibration Lab
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