Outdoor

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

Whether it’s a stand-alone data logger, a weather station, or a web-enabled field monitoring system, Onset HOBO outdoor monitoring products are:

Highly accurate
Easily deployed
Affordable

From agricultural research, to ecology studies, to farming – Onset HOBO’s weatherproof data loggers and stations offer unparalleled ease-of-use and deliver exceptional reliability – even in the harshest outdoor environments.

Showing 1 to 20 of 254 products

Onset HOBO WELL-CAP-02 Well Cap for the MicroRX
Model: WELL-CAP-02

Your Price	$101.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$101.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

Onset HOBO WELL-CAP-01 Well Cap
Model: WELL-CAP-01

Your Price	$87.00 USD
Availability	5 to 6 Weeks

Qty:

Your Price	$87.00 USD
Availability	5 to 6 Weeks
Quantity	Quantity

Onset HOBO UTBI-001 TidbiT v2 Water Temperature Data Logger
Model: UTBI-001

Your Price	$189.00 USD
Availability	10 to 11 Weeks11 to 12 Weeks

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Your Price	$189.00 USD
Availability	10 to 11 Weeks11 to 12 Weeks
Quantity	Quantity

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Onset HOBO UA-004-64 Pendant G Data Logger, 64 KB
Model: UA-004-64

Your Price	$120.00 USD
Availability	1 to 2 Weeks

Qty:

Your Price	$120.00 USD
Availability	1 to 2 Weeks
Quantity	Quantity

Onset HOBO UA-003-64 Pendant Event Data Logger, 64 KB
Model: UA-003-64

Your Price	$135.00 USD
Availability	8 to 9 Weeks

Qty:

Your Price	$135.00 USD
Availability	8 to 9 Weeks
Quantity	Quantity

Onset HOBO UA-002-64 Pendant Temperature/Light Data Logger, 64 KB
Model: UA-002-64

Your Price	$109.00 USD
Availability	6 to 7 Weeks

Qty:

Your Price	$109.00 USD
Availability	6 to 7 Weeks
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 U30-NRC-VIA-10-S100-000 USB Data Logging Weather Station, 2-channel analog sensor ports, 10 smart sensor inputs
Model: U30-NRC-VIA-10-S100-000

Your Price	$799.00 USD
Availability	1 to 2 Weeks

Qty:

Your Price	$799.00 USD
Availability	1 to 2 Weeks
Quantity	Quantity

Onset HOBO U30-NRC-SYS-C USB Data Logging Weather Station Starter Kit
Model: U30-NRC-SYS-C

Your Price	$2405.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$2405.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

Onset HOBO U30-NRC-000-10-S100-000 USB Data Logging Weather Station, no sensor port, 10 smart sensor inputs
Model: U30-NRC-000-10-S100-000

Your Price	$669.00 USD
Availability	5 to 6 Weeks

Qty:

Your Price	$669.00 USD
Availability	5 to 6 Weeks
Quantity	Quantity

Onset HOBO U26-RDOB-1 Replacement DO Sensor Cap
Model: U26-RDOB-1

Your Price	$146.00 USD
Availability	8 to 9 Weeks

Qty:

Your Price	$146.00 USD
Availability	8 to 9 Weeks
Quantity	Quantity

Onset HOBO U26-GUARD-2 Antifouling Protective Guard
Model: U26-GUARD-2

Your Price	$121.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$121.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

Onset HOBO U26-CAL-SOL Sodium Sulfite Solution, 500 mL
Model: U26-CAL-SOL

Your Price	$46.00 USD
Availability	4 to 5 Weeks

Qty:

Your Price	$46.00 USD
Availability	4 to 5 Weeks
Quantity	Quantity

Onset HOBO U24-002-C Salt Water Conductivity/Salinity Data Logger
Model: U24-002-C

Your Price	$1015.00 USD
Availability	9 to 10 Weeks

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Your Price	$1015.00 USD
Availability	9 to 10 Weeks
Quantity	Quantity

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Onset HOBO U24-001 Fresh Water Conductivity Data Logger
Model: U24-001

Your Price	$1015.00 USD
Availability	7 to 8 Weeks

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Your Price	$1015.00 USD
Availability	7 to 8 Weeks
Quantity	Quantity

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Onset HOBO U23-RS-CLAMPKIT Clamp Kit for U23-001
Model: U23-RS-CLAMPKIT

Your Price	$10.00 USD
Availability	1 to 2 Weeks

Qty:

Your Price	$10.00 USD
Availability	1 to 2 Weeks
Quantity	Quantity

Onset HOBO U23-CAP UV Protection Caps, 5-pack
Model: U23-CAP

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 U23-004 Pro v2 Temperature Data Logger, 1 internal/1 external sensor
Model: U23-004

Your Price	$195.00 USD
Availability	4 to 5 Weeks

Qty:

Your Price	$195.00 USD
Availability	4 to 5 Weeks
Quantity	Quantity

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

Your Price	$29.00 USD
Availability	2 to 3 Weeks

Qty:

Your Price	$29.00 USD
Availability	2 to 3 Weeks
Quantity	Quantity

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

Your Price	$180.00 USD
Availability	3 to 4 Weeks4 to 5 Weeks

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Your Price	$180.00 USD
Availability	3 to 4 Weeks4 to 5 Weeks
Quantity	Quantity

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Showing 1 to 20 of 254 products

4.8/5 Stars

4.8/5 Stars

Outdoor

Onset HOBO WELL-CAP-02 Well Cap for the MicroRX
Model: WELL-CAP-02

Qty:

Onset HOBO WELL-CAP-01 Well Cap
Model: WELL-CAP-01

Qty:

Onset HOBO UTBI-001 TidbiT v2 Water Temperature Data Logger
Model: UTBI-001

Onset HOBO UA-004-64 Pendant G Data Logger, 64 KB
Model: UA-004-64

Qty:

Onset HOBO UA-003-64 Pendant Event Data Logger, 64 KB
Model: UA-003-64

Qty:

Onset HOBO UA-002-64 Pendant Temperature/Light Data Logger, 64 KB
Model: UA-002-64

Qty:

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

Qty:

Onset HOBO U30-NRC-VIA-10-S100-000 USB Data Logging Weather Station, 2-channel analog sensor ports, 10 smart sensor inputs
Model: U30-NRC-VIA-10-S100-000

Qty:

Onset HOBO U30-NRC-SYS-C USB Data Logging Weather Station Starter Kit
Model: U30-NRC-SYS-C

Qty:

Onset HOBO U30-NRC-000-10-S100-000 USB Data Logging Weather Station, no sensor port, 10 smart sensor inputs
Model: U30-NRC-000-10-S100-000

Qty:

Onset HOBO U26-RDOB-1 Replacement DO Sensor Cap
Model: U26-RDOB-1

Qty:

Onset HOBO U26-GUARD-2 Antifouling Protective Guard
Model: U26-GUARD-2

Qty:

Onset HOBO U26-CAL-SOL Sodium Sulfite Solution, 500 mL
Model: U26-CAL-SOL

Qty:

Onset HOBO U24-002-C Salt Water Conductivity/Salinity Data Logger
Model: U24-002-C

Onset HOBO U24-001 Fresh Water Conductivity Data Logger
Model: U24-001

Onset HOBO U23-RS-CLAMPKIT Clamp Kit for U23-001
Model: U23-RS-CLAMPKIT

Qty:

Onset HOBO U23-CAP UV Protection Caps, 5-pack
Model: U23-CAP

Qty:

Onset HOBO U23-004 Pro v2 Temperature Data Logger, 1 internal/1 external sensor
Model: U23-004

Qty:

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

Qty:

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

4.8/5 Stars

4.8/5 Stars

Outdoor

Onset HOBO WELL-CAP-02 Well Cap for the MicroRX Model: WELL-CAP-02

Qty:

Onset HOBO WELL-CAP-01 Well Cap Model: WELL-CAP-01

Qty:

Onset HOBO UTBI-001 TidbiT v2 Water Temperature Data Logger Model: UTBI-001

Onset HOBO UA-004-64 Pendant G Data Logger, 64 KB Model: UA-004-64

Qty:

Onset HOBO UA-003-64 Pendant Event Data Logger, 64 KB Model: UA-003-64

Qty:

Onset HOBO UA-002-64 Pendant Temperature/Light Data Logger, 64 KB Model: UA-002-64

Qty:

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

Qty:

Onset HOBO U30-NRC-VIA-10-S100-000 USB Data Logging Weather Station, 2-channel analog sensor ports, 10 smart sensor inputs Model: U30-NRC-VIA-10-S100-000

Qty:

Onset HOBO U30-NRC-SYS-C USB Data Logging Weather Station Starter Kit Model: U30-NRC-SYS-C

Qty:

Onset HOBO U30-NRC-000-10-S100-000 USB Data Logging Weather Station, no sensor port, 10 smart sensor inputs Model: U30-NRC-000-10-S100-000

Qty:

Onset HOBO U26-RDOB-1 Replacement DO Sensor Cap Model: U26-RDOB-1

Qty:

Onset HOBO U26-GUARD-2 Antifouling Protective Guard Model: U26-GUARD-2

Qty:

Onset HOBO U26-CAL-SOL Sodium Sulfite Solution, 500 mL Model: U26-CAL-SOL

Qty:

Onset HOBO U24-002-C Salt Water Conductivity/Salinity Data Logger Model: U24-002-C

Onset HOBO U24-001 Fresh Water Conductivity Data Logger Model: U24-001

Onset HOBO U23-RS-CLAMPKIT Clamp Kit for U23-001 Model: U23-RS-CLAMPKIT

Qty:

Onset HOBO U23-CAP UV Protection Caps, 5-pack Model: U23-CAP

Qty:

Onset HOBO U23-004 Pro v2 Temperature Data Logger, 1 internal/1 external sensor Model: U23-004

Qty:

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

Qty:

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

Onset HOBO WELL-CAP-02 Well Cap for the MicroRX
Model: WELL-CAP-02

Onset HOBO WELL-CAP-01 Well Cap
Model: WELL-CAP-01

Onset HOBO UTBI-001 TidbiT v2 Water Temperature Data Logger
Model: UTBI-001

Onset HOBO UA-004-64 Pendant G Data Logger, 64 KB
Model: UA-004-64

Onset HOBO UA-003-64 Pendant Event Data Logger, 64 KB
Model: UA-003-64

Onset HOBO UA-002-64 Pendant Temperature/Light Data Logger, 64 KB
Model: UA-002-64

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

Onset HOBO U30-NRC-VIA-10-S100-000 USB Data Logging Weather Station, 2-channel analog sensor ports, 10 smart sensor inputs
Model: U30-NRC-VIA-10-S100-000

Onset HOBO U30-NRC-SYS-C USB Data Logging Weather Station Starter Kit
Model: U30-NRC-SYS-C

Onset HOBO U30-NRC-000-10-S100-000 USB Data Logging Weather Station, no sensor port, 10 smart sensor inputs
Model: U30-NRC-000-10-S100-000

Onset HOBO U26-RDOB-1 Replacement DO Sensor Cap
Model: U26-RDOB-1

Onset HOBO U26-GUARD-2 Antifouling Protective Guard
Model: U26-GUARD-2

Onset HOBO U26-CAL-SOL Sodium Sulfite Solution, 500 mL
Model: U26-CAL-SOL

Onset HOBO U24-002-C Salt Water Conductivity/Salinity Data Logger
Model: U24-002-C

Onset HOBO U24-001 Fresh Water Conductivity Data Logger
Model: U24-001

Onset HOBO U23-RS-CLAMPKIT Clamp Kit for U23-001
Model: U23-RS-CLAMPKIT

Onset HOBO U23-CAP UV Protection Caps, 5-pack
Model: U23-CAP

Onset HOBO U23-004 Pro v2 Temperature Data Logger, 1 internal/1 external sensor
Model: U23-004

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

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