Onset

HOBO External Temperature Sensor Data Logger (2 sensors) MX2303

A weatherproof data logger with two external temperature sensors, leveraging Bluetooth for easy setup and data download.

HOBO TidbiT v2 Water Temperature Data Logger UTBI-001

HOBO Fresh Water Conductivity Data Logger U24-001

This high-accuracy conductivity data logger is a cost-effective way to collect water quality data.

HOBO External Temperature/Relative Humidity Sensor Data Logger MX2302A

A weatherproof data logger with external temperature and relative humidity sensors. leveraging Bluetooth for easy setup and data download.

HOBO pH and Temperature Data Logger MX2501

The HOBO MX2501 pH and Temperature Data Logger is designed for long-term monitoring of pH in estuaries, lakes, streams, rivers, and oceans.

HOBO Optic USB Base Station Base-U-4

Offload data from any HOBO® data logger with this HOBO Optic USB Base Station

HOBO Solar Radiation Shield (assembled) M-RSA

For temperature and relative humidity measurement accuracy in locations exposed to direct or reflected sunlight; preassembled for quick deployment.

HOBO Solar Radiation Shield RS3-B

Use the RS3-B Solar Radiation Shield with HOBO external sensors for improved temperature measurement accuracy in locations exposed to sunlight

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

The HOBO U24-002-C is a cost-effective data logger for measuring salinity, conductivity and temperature in saltwater environments

HOBO Pendant Temperature/Alarm 64K Data Logger UA-001-64

HOBO Calibration Kit for pH and Temperature Data Logger MX2501

Hobo Calibration Kit for pH and Temperature Data Logger MX2501

HOBO Soil Moisture Data Logger MX2306

Low-cost, fully integrated soil moisture logger with convenient Bluetooth wireless data offload.

HOBO TidbiT MX Temperature 5000' Data Logger MX2204

Water-resistant temperature data logger up to 5000 Feet

HOBO Anti-biofouling Copper Guard for pH and Temperature Data Logger MX2501

Hobo Anti-biofouling Copper Guard for pH and Temperature Data Logger MX2501

HOBO Pro v2 External Temperature Data Logger U23-004

The HOBO Pro v2 Temperature/External Temperature data logger is a weatherproof data logger with an external soil/water temperature sensor on a 6-foot cable useful for situations where just one temperature probe is required. An internal temperature sensor

HOBO Anti-biofouling Copper Guard for Dissolved Oxygen Data Logger U26-001

Hobo Anti-biofouling Copper Guard for Dissolved Oxygen Data Logger U26-001

HOBO Sodium Sulfite Solution for Disolved Oxygen Data Logger U26-001

Hobo Sodium Sulfite Solution for Disolved Oxygen Data Logger U26-001

HOBO protective cap for Water Datalogger series U22- & U24-

Hobo protective cap for Water Datalogger series U22- & U24- , set of 5

HOBO External Temperature Sensor Data Logger MX2304

A weatherproof data logger with one external temperature sensor, leveraging Bluetooth for easy setup and data download.

HOBO Protective Boot for Data logger MX2203

Hobo protective thermoplastic elastomer boot for temperature data logger MX2203 - pack of 5

HOBO MX2300 Series Solar Radiation Shield Bracket MX2300-RS-BRACKET

This bracket is required for mounting HOBO MX2301A and MX2305 loggers in either an RS1 or M-RSA solar radiation shield.

HOBO U23 Pro v2 Temperature/Relative Humidity Data Logger U23-002A

A weatherproof data logger with an external temperature and relative humidity sensor on a 6-foot cable for fast sensor response and deployment in tight spaces.

HOBO Protective Case for Water Temperature Pro v2 Data Logger U22-001

Hobo Protective Case for Water Temperature Pro v2 Data Logger U22-001

HOBO TidbiT MX External Temperature Data Logger MX2205

HOBO MX2205 waterproof data logger with an internal and external sensor to monitor both air temperature and fast-changing water temperature.