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 MX2202 Pendant MX Temperature/Light Data Logger-

Onset HOBO MX2202 Pendant MX Temperature/Light Data Logger
Model: MX2202

Your Price $95.00 USD
Availability 9 in Stock

Qty:

Your Price $95.00 USD
Availability 9 in Stock
Quantity

Onset HOBO UA-001-64 Pendant Temperature Data Logger, 64 KB-

Onset HOBO UA-001-64 Pendant Temperature Data Logger, 64 KB
Model: UA-001-64

Your Price $89.00 USD
Availability 2 in Stock

Qty:

Your Price $89.00 USD
Availability 2 in Stock
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 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 AC-U30 AC Power Adapter-

Onset HOBO AC-U30 AC Power Adapter
Model: AC-U30

Your Price $75.00 USD
Availability 4 to 5 Weeks

Qty:

Your Price $75.00 USD
Availability 4 to 5 Weeks
Quantity

Onset HOBO BHW-PRO-DLD Onset HOBOware PRO Software v.3.x, Mac/Windows download-

Onset HOBO BHW-PRO-DLD Onset HOBOware PRO Software v.3.x, Mac/Windows download
Model: BHW-PRO-DLD

Your Price $75.00 USD
Availability 4 to 5 Weeks

Qty:

Your Price $75.00 USD
Availability 4 to 5 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 HOUSING-U2X Protective Mounting Enclosure-

Onset HOBO HOUSING-U2X Protective Mounting Enclosure
Model: HOUSING-U2X

Your Price $73.00 USD
Availability 1 to 2 Weeks

Qty:

Your Price $73.00 USD
Availability 1 to 2 Weeks
Quantity

Onset HOBO M-LLA Light Sensor Level-

Onset HOBO M-LLA Light Sensor Level
Model: M-LLA

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-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-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 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 M-LBB Light Sensor Bracket-

Onset HOBO M-LBB Light Sensor Bracket
Model: M-LBB

Your Price $64.00 USD
Availability 3 to 4 Weeks

Qty:

Your Price $64.00 USD
Availability 3 to 4 Weeks
Quantity

Onset HOBO HRB-2477 Replacement Battery for MX2203, 6-box-

Onset HOBO HRB-2477 Replacement Battery for MX2203, 6-box
Model: HRB-2477

Your Price $60.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $60.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO CABLE-ADAP10 DC Voltage Input Sensor Cable, 0 to 10 V-

Onset HOBO CABLE-ADAP10 DC Voltage Input Sensor Cable, 0 to 10 V
Model: CABLE-ADAP10

Your Price $60.00 USD
Availability 1 to 2 Weeks

Qty:

Your Price $60.00 USD
Availability 1 to 2 Weeks
Quantity

Onset HOBO CABLE-ADAP24 DC Voltage Input Sensor Cable, 0 to 24 V-

Onset HOBO CABLE-ADAP24 DC Voltage Input Sensor Cable, 0 to 24 V
Model: CABLE-ADAP24

Your Price $60.00 USD
Availability 5 to 6 Weeks

Qty:

Your Price $60.00 USD
Availability 5 to 6 Weeks
Quantity

Onset HOBO CABLE-ADAP5 DC Voltage Input Sensor Cable, 0 to 5 V-

Onset HOBO CABLE-ADAP5 DC Voltage Input Sensor Cable, 0 to 5 V
Model: CABLE-ADAP5

Your Price $60.00 USD
Availability 5 to 6 Weeks

Qty:

Your Price $60.00 USD
Availability 5 to 6 Weeks
Quantity

Onset HOBO U20-CASE-1 Carrying Case for Water Level Data Logger-

Onset HOBO U20-CASE-1 Carrying Case for Water Level Data Logger
Model: U20-CASE-1

Your Price $60.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $60.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO CABLE-1-CRIMP Crimp Sleeve for CABLE-1-XX, 12-pack-

Onset HOBO CABLE-1-CRIMP Crimp Sleeve for CABLE-1-XX, 12-pack
Model: CABLE-1-CRIMP

Your Price $56.00 USD
Availability 1 to 2 Weeks

Qty:

Your Price $56.00 USD
Availability 1 to 2 Weeks
Quantity

Onset HOBO BOOT-MX2204-GR Boot for the MX2204, Grey, 5-pack-

Onset HOBO BOOT-MX2204-GR Boot for the MX2204, Grey, 5-pack
Model: BOOT-MX2204-GR

Your Price $55.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $55.00 USD
Availability 2 to 3 Weeks
Quantity

We Ship Free on Orders Over &99 within Canada