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 1 to 20 of 156 products

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	Quantity

Onset HOBO CABLE-USBMB USB Cable
Model: CABLE-USBMB

Your Price	$20.00 USD
Availability	7 in Stock

Qty:

Your Price	$20.00 USD
Availability	7 in Stock
Quantity	Quantity

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	Quantity

Onset HOBO BOOT-TIDBIT-WH Protective Boot for TidbiT, 5-pack, white
Model: BOOT-TIDBIT-WH

Sale Price	$20.00 USD
Regular Price	$25.00 USD
Availability	5 in Stock

Qty:

Sale Price	$20.00 USD
Regular Price	$25.00 USD
Availability	5 in Stock
Quantity	Quantity

Onset HOBO U22-001 Pro v2 Water Temperature Data Logger
Model: U22-001

Your Price	$180.00 USD
Availability	5 Days3 in Stock

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Your Price	$180.00 USD
Availability	5 Days3 in Stock
Quantity	Quantity

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Onset HOBO BASE-U-4 Universal Optic USB Base Station
Model: BASE-U-4

Your Price	$185.00 USD
Availability	2 in Stock

Qty:

Your Price	$185.00 USD
Availability	2 in Stock
Quantity	Quantity

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	Quantity

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

Your Price	$7.00 USD
Availability	4 Days

Qty:

Your Price	$7.00 USD
Availability	4 Days
Quantity	Quantity

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	Quantity

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	Quantity

Onset HOBO A-WNB-LEADSET Voltage Input Lead Set
Model: A-WNB-LEADSET

Your Price	$149.00 USD
Availability	1 Week

Qty:

Your Price	$149.00 USD
Availability	1 Week
Quantity	Quantity

Onset HOBO AC-SENS-1 AC Power Adapter, 12 VDC power
Model: AC-SENS-1

Your Price	$39.00 USD
Availability	7 to 8 Weeks

Qty:

Your Price	$39.00 USD
Availability	7 to 8 Weeks
Quantity	Quantity

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	Quantity

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	Quantity

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	Quantity

Onset HOBO BOOT-BLK Protective Boot for WTemp Pro Data Logger, black
Model: BOOT-BLK

Your Price	$26.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$26.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

Onset HOBO BOOT-MX2203-GR Boot for the MX2203, Grey, 5-pack
Model: BOOT-MX2203-GR

Your Price	$55.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$55.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

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	Quantity

Onset HOBO BOOT-TIDBIT-BK Protective Boot for TidbiT, 5-pack, black
Model: BOOT-TIDBIT-BK

Your Price	$31.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$31.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

Onset HOBO CABLE-1-300 Stainless Steel Cable, 300'
Model: CABLE-1-300

Your Price	$528.18 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$528.18 USD
Availability	2 to 3 Weeks
Quantity	Quantity

Showing 1 to 20 of 156 products

4.8/5 Stars

4.8/5 Stars

Water

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

Qty:

Onset HOBO CABLE-USBMB USB Cable Model: CABLE-USBMB

Qty:

Onset HOBO MX2201 Pendant Wireless Temperature Data Logger Model: MX2201

Qty:

Onset HOBO BOOT-TIDBIT-WH Protective Boot for TidbiT, 5-pack, white Model: BOOT-TIDBIT-WH

Qty:

Onset HOBO U22-001 Pro v2 Water Temperature Data Logger Model: U22-001

Onset HOBO BASE-U-4 Universal Optic USB Base Station Model: BASE-U-4

Qty:

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

Qty:

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

Qty:

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

Qty:

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

Qty:

Onset HOBO A-WNB-LEADSET Voltage Input Lead Set Model: A-WNB-LEADSET

Qty:

Onset HOBO AC-SENS-1 AC Power Adapter, 12 VDC power Model: AC-SENS-1

Qty:

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

Qty:

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

Qty:

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

Qty:

Onset HOBO BOOT-BLK Protective Boot for WTemp Pro Data Logger, black Model: BOOT-BLK

Qty:

Onset HOBO BOOT-MX2203-GR Boot for the MX2203, Grey, 5-pack Model: BOOT-MX2203-GR

Qty:

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

Qty:

Onset HOBO BOOT-TIDBIT-BK Protective Boot for TidbiT, 5-pack, black Model: BOOT-TIDBIT-BK

Qty:

Onset HOBO CABLE-1-300 Stainless Steel Cable, 300' Model: CABLE-1-300

Qty:

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

Onset HOBO CABLE-USBMB USB Cable
Model: CABLE-USBMB

Onset HOBO MX2201 Pendant Wireless Temperature Data Logger
Model: MX2201

Onset HOBO BOOT-TIDBIT-WH Protective Boot for TidbiT, 5-pack, white
Model: BOOT-TIDBIT-WH

Onset HOBO U22-001 Pro v2 Water Temperature Data Logger
Model: U22-001

Onset HOBO BASE-U-4 Universal Optic USB Base Station
Model: BASE-U-4

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

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

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

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

Onset HOBO A-WNB-LEADSET Voltage Input Lead Set
Model: A-WNB-LEADSET

Onset HOBO AC-SENS-1 AC Power Adapter, 12 VDC power
Model: AC-SENS-1

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

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

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

Onset HOBO BOOT-BLK Protective Boot for WTemp Pro Data Logger, black
Model: BOOT-BLK

Onset HOBO BOOT-MX2203-GR Boot for the MX2203, Grey, 5-pack
Model: BOOT-MX2203-GR

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

Onset HOBO BOOT-TIDBIT-BK Protective Boot for TidbiT, 5-pack, black
Model: BOOT-TIDBIT-BK

Onset HOBO CABLE-1-300 Stainless Steel Cable, 300'
Model: CABLE-1-300