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Water

Onset HOBO data loggers set the standard for reliable, accurate data logging for water monitoring 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.

Showing 41 to 60 of 155 products

Onset HOBO 85-CAPLUG-H20-B End Cap for Protective Black Boot
Model: 85-CAPLUG-H20-B

Your Price	$8.00 USD
Availability	4 Days

Qty:

Your Price	$8.00 USD
Availability	4 Days
Quantity	Quantity

Onset HOBO COUPLER2-A Coupler for UA Pendant Data Loggers
Model: COUPLER2-A

Your Price	$20.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$20.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

Onset HOBO COUPLER2-B Coupler for U20 Water Level Data Loggers
Model: COUPLER2-B

Your Price	$20.00 USD
Availability	8 to 9 Weeks

Qty:

Your Price	$20.00 USD
Availability	8 to 9 Weeks
Quantity	Quantity

Onset HOBO DESICCANT1 Small Desiccant Pack, 25-pack
Model: DESICCANT1

Your Price	$15.00 USD
Availability	6 to 7 Weeks

Qty:

Your Price	$15.00 USD
Availability	6 to 7 Weeks
Quantity	Quantity

Onset HOBO DESICCANT2 Large Desiccant Pack, 25-pack
Model: DESICCANT2

Your Price	$21.00 USD
Availability	3 to 4 Weeks

Qty:

Your Price	$21.00 USD
Availability	3 to 4 Weeks
Quantity	Quantity

Onset HOBO HRB-TEMP-1 Replacement Batteries, 5-pack
Model: HRB-TEMP-1

Your Price	$14.00 USD
Availability	1 to 2 Weeks

Qty:

Your Price	$14.00 USD
Availability	1 to 2 Weeks
Quantity	Quantity

Onset HOBO M-MLA Mast Level
Model: M-MLA

Your Price	$16.34 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$16.34 USD
Availability	2 to 3 Weeks
Quantity	Quantity

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

Your Price	$22.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$22.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

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

Your Price	$22.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$22.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

Onset HOBO MX2201 Pendant Wireless Temperature Data Logger
Model: MX2201

Your Price	$85.00 USD
Availability	1 in Stock

Qty:

Your Price	$85.00 USD
Availability	1 in Stock
Quantity	Quantity

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

Your Price	$99.00 USD
Availability	5 in Stock

Qty:

Your Price	$99.00 USD
Availability	5 in Stock
Quantity	Quantity

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

Your Price	$165.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$165.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

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

Your Price	$175.00 USD
Availability	5 to 6 Weeks

Qty:

Your Price	$175.00 USD
Availability	5 to 6 Weeks
Quantity	Quantity

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

Your Price	$126.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$126.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

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

Your Price	$35.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$35.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

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

Your Price	$110.00 USD
Availability	1 Week

Qty:

Your Price	$110.00 USD
Availability	1 Week
Quantity	Quantity

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

Your Price	$65.00 USD
Availability	4 to 5 Weeks

Qty:

Your Price	$65.00 USD
Availability	4 to 5 Weeks
Quantity	Quantity

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	Quantity

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

Your Price	$125.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$125.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

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

Your Price	$90.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$90.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

Showing 41 to 60 of 155 products

4.8/5 Stars

4.8/5 Stars

Water

Onset HOBO 85-CAPLUG-H20-B End Cap for Protective Black Boot Model: 85-CAPLUG-H20-B

Qty:

Onset HOBO COUPLER2-A Coupler for UA Pendant Data Loggers Model: COUPLER2-A

Qty:

Onset HOBO COUPLER2-B Coupler for U20 Water Level Data Loggers Model: COUPLER2-B

Qty:

Onset HOBO DESICCANT1 Small Desiccant Pack, 25-pack Model: DESICCANT1

Qty:

Onset HOBO DESICCANT2 Large Desiccant Pack, 25-pack Model: DESICCANT2

Qty:

Onset HOBO HRB-TEMP-1 Replacement Batteries, 5-pack Model: HRB-TEMP-1

Qty:

Onset HOBO M-MLA Mast Level Model: M-MLA

Qty:

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

Qty:

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

Qty:

Onset HOBO MX2201 Pendant Wireless Temperature Data Logger Model: MX2201

Qty:

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

Qty:

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

Qty:

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

Qty:

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

Qty:

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

Qty:

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

Qty:

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

Qty:

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

Qty:

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

Qty:

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

Qty:

Onset HOBO 85-CAPLUG-H20-B End Cap for Protective Black Boot
Model: 85-CAPLUG-H20-B

Onset HOBO COUPLER2-A Coupler for UA Pendant Data Loggers
Model: COUPLER2-A

Onset HOBO COUPLER2-B Coupler for U20 Water Level Data Loggers
Model: COUPLER2-B

Onset HOBO DESICCANT1 Small Desiccant Pack, 25-pack
Model: DESICCANT1

Onset HOBO DESICCANT2 Large Desiccant Pack, 25-pack
Model: DESICCANT2

Onset HOBO HRB-TEMP-1 Replacement Batteries, 5-pack
Model: HRB-TEMP-1

Onset HOBO M-MLA Mast Level
Model: M-MLA

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

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

Onset HOBO MX2201 Pendant Wireless Temperature Data Logger
Model: MX2201

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

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

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

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

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

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

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

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

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

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