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 SP-812 Basic 4G Service Plan for the RX2100, 1 hour/1 minute, US only-

Onset HOBO SP-812 Basic 4G Service Plan for the RX2100, 1 hour/1 minute, US only
Model: SP-812

Your Price $252.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $252.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO SP-813 Standard 4G Service Plan for the RX2100, 10 minutes/1 minute, global-

Onset HOBO SP-813 Standard 4G Service Plan for the RX2100, 10 minutes/1 minute, global
Model: SP-813

Your Price $379.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $379.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO SP-814 Standard 4G Service Plan for the RX2100, 10 minutes/1 minute, US only-

Onset HOBO SP-814 Standard 4G Service Plan for the RX2100, 10 minutes/1 minute, US only
Model: SP-814

Your Price $379.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $379.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO RX2101 MicroRX Station, battery-powered-

Onset HOBO RX2101 MicroRX Station, battery-powered
Model: RX2101

Your Price $735.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $735.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO RX2102 MicroRX Station with built-in solar panel-

Onset HOBO RX2102 MicroRX Station with built-in solar panel
Model: RX2102

Your Price $799.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $799.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO RX2103 MicroRX Water Level Station, battery-powered-

Onset HOBO RX2103 MicroRX Water Level Station, battery-powered
Model: RX2103

Your Price $830.00 USD
Availability 2 to 3 Weeks
Your Price $830.00 USD
Availability 2 to 3 Weeks
Quantity
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Onset HOBO RX2104 MicroRX Water Level Station with built-in solar panel-

Onset HOBO RX2104 MicroRX Water Level Station with built-in solar panel
Model: RX2104

Your Price $899.00 USD
Availability 2 to 3 Weeks
Your Price $899.00 USD
Availability 2 to 3 Weeks
Quantity
Learn More

Onset HOBO CABLE-RWL-1.0 Water Level Sensor Cable, 1 m-

Onset HOBO CABLE-RWL-1.0 Water Level Sensor Cable, 1 m
Model: CABLE-RWL-1.0

Your Price $126.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $126.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO CABLE-RWL-2.0 Water Level Sensor Cable, 2 m-

Onset HOBO CABLE-RWL-2.0 Water Level Sensor Cable, 2 m
Model: CABLE-RWL-2.0

Your Price $133.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $133.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO CABLE-RWL-5.0 Water Level Sensor Cable, 5 m-

Onset HOBO CABLE-RWL-5.0 Water Level Sensor Cable, 5 m
Model: CABLE-RWL-5.0

Your Price $151.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $151.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO CABLE-RWL-010 Water Level Sensor Cable, 10 m-

Onset HOBO CABLE-RWL-010 Water Level Sensor Cable, 10 m
Model: CABLE-RWL-010

Your Price $184.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $184.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO CABLE-RWL-015 Water Level Sensor Cable, 15 m-

Onset HOBO CABLE-RWL-015 Water Level Sensor Cable, 15 m
Model: CABLE-RWL-015

Your Price $214.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $214.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO CABLE-RWL-030 Water Level Sensor Cable, 30 m-

Onset HOBO CABLE-RWL-030 Water Level Sensor Cable, 30 m
Model: CABLE-RWL-030

Your Price $316.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $316.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO CABLE-RWL-060 Water Level Sensor Cable, 60 m-

Onset HOBO CABLE-RWL-060 Water Level Sensor Cable, 60 m
Model: CABLE-RWL-060

Your Price $518.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $518.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO RX3004-SYS-KIT-813 Remote Weather Station Starter Kit-

Onset HOBO RX3004-SYS-KIT-813 Remote Weather Station Starter Kit
Model: RX3004-SYS-KIT-813

Your Price $3164.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $3164.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO RX2105 MicroRX Station-

Onset HOBO RX2105 MicroRX Station
Model: RX2105

Your Price $965.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $965.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO 85-ORING-15 Replacement O-ring for 85-DOMEPLUG-1-

Onset HOBO 85-ORING-15 Replacement O-ring for 85-DOMEPLUG-1
Model: 85-ORING-15

Your Price $4.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $4.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO 85-SEALANT Sealant for Submersible Case-

Onset HOBO 85-SEALANT Sealant for Submersible Case
Model: 85-SEALANT

Your Price $6.00 USD
Availability 3 to 4 Weeks

Qty:

Your Price $6.00 USD
Availability 3 to 4 Weeks
Quantity

Onset HOBO BHW-DA-GPP-CD Grains Per Pound Data Assistant Software-

Onset HOBO BHW-DA-GPP-CD Grains Per Pound Data Assistant Software
Model: BHW-DA-GPP-CD

Your Price $37.03 USD
Availability 2 to 3 Weeks

Qty:

Your Price $37.03 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO HRB-LI-6 Replacement AA Batteries, 6-pack-

Onset HOBO HRB-LI-6 Replacement AA Batteries, 6-pack
Model: HRB-LI-6

Your Price $37.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $37.00 USD
Availability 2 to 3 Weeks
Quantity

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