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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 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

Regular Price $86.00 CAD
Availability 1 to 2 Weeks

Qty:

Regular Price $86.00 CAD
Availability 1 to 2 Weeks
Quantity

Onset HOBO MX2301A Wireless Temperature/RH Humidity Data Logger-

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

Regular Price $330.00 CAD
Availability 2 to 3 Weeks

Qty:

Regular Price $330.00 CAD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2302A External Wireless Temperature/Humidity Data Logger-

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

Regular Price $392.00 CAD
Availability 4 to 5 Weeks
Regular Price $392.00 CAD
Availability 4 to 5 Weeks
Quantity
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Onset HOBO MX2303 Wireless Temperature Data Logger with two external sensors-

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

Regular Price $392.00 CAD
Availability 2 to 3 Weeks

Qty:

Regular Price $392.00 CAD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2304 Wireless Temperature Data Logger with external sensor-

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

Regular Price $292.00 CAD
Availability 1 Week

Qty:

Regular Price $292.00 CAD
Availability 1 Week
Quantity

Onset HOBO MX2305 Wireless Temperature Data Logger with internal sensor-

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

Regular Price $223.00 CAD
Availability 4 to 5 Weeks

Qty:

Regular Price $223.00 CAD
Availability 4 to 5 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

Regular Price $30.00 CAD
Availability 2 to 3 Weeks

Qty:

Regular Price $30.00 CAD
Availability 2 to 3 Weeks
Quantity

Onset HOBO SP-007 Ethernet/Wifi Limited Power Data Plan for the RX3000-

Onset HOBO SP-007 Ethernet/Wifi Limited Power Data Plan for the RX3000
Model: SP-007

Regular Price $175.00 CAD
Availability 2 to 3 Weeks

Qty:

Regular Price $175.00 CAD
Availability 2 to 3 Weeks
Quantity

Onset HOBO U22-U24-CAP Communications Window Cap, 5-pack-

Onset HOBO U22-U24-CAP Communications Window Cap, 5-pack
Model: U22-U24-CAP

Regular Price $54.00 CAD
Availability 2 to 3 Weeks

Qty:

Regular Price $54.00 CAD
Availability 2 to 3 Weeks
Quantity

Onset HOBO CABLE-1-50 Stainless Steel Cable, 50'-

Onset HOBO CABLE-1-50 Stainless Steel Cable, 50'
Model: CABLE-1-50

Regular Price $189.00 CAD
Availability 10 to 11 Weeks

Qty:

Regular Price $189.00 CAD
Availability 10 to 11 Weeks
Quantity

Onset HOBO AC-U30 AC Power Adapter-

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

Regular Price $112.00 CAD
Availability 1 to 2 Weeks

Qty:

Regular Price $112.00 CAD
Availability 1 to 2 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

Regular Price $37.00 CAD
Availability 2 to 3 Weeks

Qty:

Regular Price $37.00 CAD
Availability 2 to 3 Weeks
Quantity

Onset HOBO M-CDY Cable Caddy-

Onset HOBO M-CDY Cable Caddy
Model: M-CDY

Regular Price $214.00 CAD
Availability 2 to 3 Weeks

Qty:

Regular Price $214.00 CAD
Availability 2 to 3 Weeks
Quantity

Onset HOBO M-GKA Grounding Kit-

Onset HOBO M-GKA Grounding Kit
Model: M-GKA

Regular Price $154.00 CAD
Availability 1 Week

Qty:

Regular Price $154.00 CAD
Availability 1 Week
Quantity

Onset HOBO M-GWA Guy Wire Kit, 5 lbs-

Onset HOBO M-GWA Guy Wire Kit, 5 lbs
Model: M-GWA

Regular Price $154.00 CAD
Availability 2 to 3 Weeks

Qty:

Regular Price $154.00 CAD
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

Regular Price $103.00 CAD
Availability 2 to 3 Weeks

Qty:

Regular Price $103.00 CAD
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

Regular Price $69.00 CAD
Availability 2 to 3 Weeks

Qty:

Regular Price $69.00 CAD
Availability 2 to 3 Weeks
Quantity

Onset HOBO CABLE-DR-010 Direct Read Cable, 32.8'-

Onset HOBO CABLE-DR-010 Direct Read Cable, 32.8'
Model: CABLE-DR-010

Regular Price $257.00 CAD
Availability 10 to 11 Weeks

Qty:

Regular Price $257.00 CAD
Availability 10 to 11 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 $1192.00 CAD
Availability 6 to 7 Weeks

Qty:

Your Price $1192.00 CAD
Availability 6 to 7 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

Regular Price $670.00 CAD
Availability 3 to 4 Weeks

Qty:

Regular Price $670.00 CAD
Availability 3 to 4 Weeks
Quantity