Outdoor

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

HOBO outdoor 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.


Onset HOBO MX2303 Wireless Temperature Data Logger with two external sensors-

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

Your Price $245.00 USD
Availability 6 to 7 Weeks

Qty:

Your Price $245.00 USD
Availability 6 to 7 Weeks
Quantity

Onset HOBO MX2304 Wireless Temperature Data Logger with external sensor-

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

Your Price $180.00 USD
Availability 8 to 9 Weeks

Qty:

Your Price $180.00 USD
Availability 8 to 9 Weeks
Quantity

Onset HOBO MX2305 Wireless Temperature Data Logger with internal sensor-

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

Your Price $135.00 USD
Availability 6 to 7 Weeks

Qty:

Your Price $135.00 USD
Availability 6 to 7 Weeks
Quantity

Onset HOBO MX2500-CAL-10 Calibration Solution, pH 10.00, 475 mL-

Onset HOBO MX2500-CAL-10 Calibration Solution, pH 10.00, 475 mL
Model: MX2500-CAL-10

Your Price $22.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $22.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2500-CAL-4 Calibration Solution, pH 4.01, 475 mL-

Onset HOBO MX2500-CAL-4 Calibration Solution, pH 4.01, 475 mL
Model: MX2500-CAL-4

Your Price $22.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $22.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2500-CAL-7 Calibration Solution, pH 7.00, 475 mL-

Onset HOBO MX2500-CAL-7 Calibration Solution, pH 7.00, 475 mL
Model: MX2500-CAL-7

Your Price $22.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $22.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2500-CAL-BKR Calibration Beaker for the MX2501, 4 oz-

Onset HOBO MX2500-CAL-BKR Calibration Beaker for the MX2501, 4 oz
Model: MX2500-CAL-BKR

Your Price $8.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $8.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2500-CAL-KIT Calibration Kit-

Onset HOBO MX2500-CAL-KIT Calibration Kit
Model: MX2500-CAL-KIT

Your Price $69.00 USD
Availability 1 to 2 Weeks

Qty:

Your Price $69.00 USD
Availability 1 to 2 Weeks
Quantity

Onset HOBO MX2500-ELECTRODE Replacement Electrode for the MX2501-

Onset HOBO MX2500-ELECTRODE Replacement Electrode for the MX2501
Model: MX2500-ELECTRODE

Your Price $170.00 USD
Availability 3 to 4 Weeks

Qty:

Your Price $170.00 USD
Availability 3 to 4 Weeks
Quantity

Onset HOBO MX2500-END-CAP Replacement End Cap for the MX2501-

Onset HOBO MX2500-END-CAP Replacement End Cap for the MX2501
Model: MX2500-END-CAP

Your Price $157.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $157.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2500-GUARD Anti-Biofouling Copper Guard-

Onset HOBO MX2500-GUARD Anti-Biofouling Copper Guard
Model: MX2500-GUARD

Your Price $33.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $33.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2500-MAINT-KIT-

Onset HOBO MX2500-MAINT-KIT
Model: MX2500-MAINT-KIT

Your Price $99.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $99.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MX2500-STORE-CAP Electrode Storage Cap-

Onset HOBO MX2500-STORE-CAP Electrode Storage Cap
Model: MX2500-STORE-CAP

Your Price $21.00 USD
Availability 7 to 8 Weeks

Qty:

Your Price $21.00 USD
Availability 7 to 8 Weeks
Quantity

Onset HOBO MX2500-STORE-SOLN Electrode Storage Solution, 475 mL-

Onset HOBO MX2500-STORE-SOLN Electrode Storage Solution, 475 mL
Model: MX2500-STORE-SOLN

Your Price $33.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $33.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO MXGTW1 MX Gateway-

Onset HOBO MXGTW1 MX Gateway
Model: MXGTW1

Your Price $475.00 USD
Availability 10 to 11 Weeks
Your Price $475.00 USD
Availability 10 to 11 Weeks
Quantity
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Onset HOBO RG3 Data Logging Rain Gauge, 0.01 in/hr accuracy-

Onset HOBO RG3 Data Logging Rain Gauge, 0.01 in/hr accuracy
Model: RG3

Your Price $703.00 USD
Availability 2 to 3 Weeks

Qty:

Your Price $703.00 USD
Availability 2 to 3 Weeks
Quantity

Onset HOBO RG3-M Data Logging Rain Gauge, 20 mm/hr accuracy-

Onset HOBO RG3-M Data Logging Rain Gauge, 20 mm/hr accuracy
Model: RG3-M

Your Price $703.00 USD
Availability 8 to 9 Weeks

Qty:

Your Price $703.00 USD
Availability 8 to 9 Weeks
Quantity

Onset HOBO RS1 Solar Radiation Shield-

Onset HOBO RS1 Solar Radiation Shield
Model: RS1

Your Price $127.00 USD
Availability 3 to 4 Weeks

Qty:

Your Price $127.00 USD
Availability 3 to 4 Weeks
Quantity

Onset HOBO RS3-B Solar Radiation Shield, 80 mph-

Onset HOBO RS3-B Solar Radiation Shield, 80 mph
Model: RS3-B

Your Price $95.00 USD
Availability 9 to 10 Weeks

Qty:

Your Price $95.00 USD
Availability 9 to 10 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

We Ship Free on Orders Over &99 within Canada