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Data Loggers and Sensors for monitoring indoor, outdoor and aquatic environments.

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HOBO Light Pipe HOBO Light Pipe 2
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HOBO Light Pipe

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UX90-LIGHT-PIPE-1
The Light Pipe, a 1-foot attachment for HOBO UX90 Occupancy & Light data loggers, helps eliminate the effects of ambient sunlight when monitoring room light usage.
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HOBO Temperature/Relative... HOBO Temperature/Relative... 2
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HOBO Temperature/Relative Humidity (RH) Data Node

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ZW-003
The HOBO® ZW-003 is a two-channel wireless data node with an integrated temperature and relative humidity sensor. It wirelessly transmits data in real time, reducing the costs and inconvenience associated with manual data offload.
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HOBO Self-Describing DC... HOBO Self-Describing DC... 2
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HOBO Self-Describing DC Voltage Input Cable (0 to 5Vdc)

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SD-VOLT-05
For use with HOBO MX1104 and MX1105 multi-channel data loggers, this DC voltage input cable offers integrated strain relief to keep it connected to the logger, and it features Self-Describing technology to automatically communicate configuration information to the logger.
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HOBO Self-Describing DC... HOBO Self-Describing DC... 2
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HOBO Self-Describing DC Voltage Input Cable (0 to 10Vdc)

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SD-VOLT-10
For use with HOBO MX1104 and MX1105 multi-channel data loggers, this DC voltage input cable offers integrated strain relief to keep it connected to the logger, and it features Self-Describing technology to automatically communicate configuration information to the logger.
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S-RTA-M006 RX Runtime Smart... S-RTA-M006 RX Runtime Smart... 2
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S-RTA-M006 RX Runtime Smart Sensor (6m cable)

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S-RTA-M006
The RX Runtime Smart Sensor measures the percent ON of any AC-powered device with an AC current switch, and time ON (closed) of contact closures - ideal for equipment runtime monitoring, boiler efficiency monitoring, pump monitoring, and engine monitoring. This sensor is compatible with HOBO RX Stations.     Plug-and-play smart sensor     Works with all...
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Smart Sensor Consolidator...
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Smart Sensor Consolidator Box Adapter

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S-ADAPT-6
Allows users to connect up to six Smart Sensors in a water-resistant enclosure to one sensor extension cable back to HOBO stations with Smart Sensor inputs
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HOBO Self-Describing DC... HOBO Self-Describing DC... 2
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HOBO Self-Describing DC Voltage Input Cable (0 to 24Vdc)

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SD-VOLT-24
For use with HOBO MX1104 and MX1105 multi-channel data loggers, this DC voltage input cable offers integrated strain relief to keep it connected to the logger, and it features Self-Describing technology to automatically communicate configuration information to the logger.
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CSV-A8 AC Current Switch...
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CSV-A8 AC Current Switch Sensor

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CSV-A8
Measure runtime (time-of-use) of equipment with the CSV-A8 split-core AC current sensor along with a compatible HOBO data logger. This UL-listed sensor has built-in on/off status lights and provides an adjustable current threshold of 0.5 to 175 amps. Simply install the sensor around a current-carrying wire to the equipment to be monitored and then connect...
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Registrador de Temperatura... Registrador de Temperatura... 2
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Registrador de Temperatura Sumergible TidbiT v2

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UTBI-001
Com apenas 3x4 cm, este minúsculo registador de dados mede temperaturas numa vasta gama de temperaturas. O TidbiT v2 oferece uma resolução de 12 bits e tem uma precisão de ±0,2 °C. Foi concebido para ambientes exteriores e subaquáticos e é à prova de água até 300 m. Uma interface USB ótica permite que os usuários descarreguem dados em segundos.
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HOBO U23 Pro v2 External... HOBO U23 Pro v2 External... 2
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HOBO U23 Pro v2 External Temperature/Relative Humidity Data Logger

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U23-002
The HOBO Pro v2 External Temperature/Relative Humidity Data Logger is 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. The Relative Humidity sensor features fast response and superior durability in humid environments, and is user-replaceable.
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U30 Sensor Input Expander...
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U30 Sensor Input Expander Adapter

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S-ADAPT-X5-10
This kit increases the number of U30 sensor inputs from five to ten. It includes weatherproof cable-entry points for five additional sensors, plus two other cables.
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Cable Caddy
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Cable Caddy

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M-CDY
This accessory provides a convenient place to organize and mount excess sensor cable.
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Pelican Case Pelican Case 2
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Pelican Case

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CASE-PELICAN-1510
The largest, most durable airline-legal carry-on available, the new 1510 Pelican case provides safe and convenient transport of your HOBO data logging equipment. This watertight, crush-proof, and dust-proof case features a sturdy but lightweight design that includes a Pick N Pluck™ foam interior, 17” retracting extension handle, strong polyurethane...
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Temperature/Relative... Temperature/Relative... 2
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Temperature/Relative Humidity (2m cable) Smart Sensor

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S-THC-M002
The Temperature/Relative Humidity Smart Sensor is designed to work with all Onset data loggers that accept smart sensors. All sensor parameters are stored inside the smart sensor, which automatically communicates configuration data information to the logger without any programming, calibration, or extensive user setup.If an 8m cable is preferred, please...
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HOBO Stainless Temperature...
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HOBO Stainless Temperature (1500m) Data Logger

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U12-015
The HOBO U12 Stainless Temperature Data Logger is ideal for food, pharmaceutical, autoclave, and other applications where high-accuracy temperature data is critical. With its broad temperature range (-40 to 125C) and food-grade stainless steel housing, the U12 Stainless Temperature Data Logger withstands process conditions from pasteurization to flash...
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Temperature/Relative... Temperature/Relative... 2
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Temperature/Relative Humidity (8m cable) Smart Sensor

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S-THC-M008
The Temperature/Relative Humidity Smart Sensor is designed to work with all Onset data loggers that accept smart sensors. All sensor parameters are stored inside the smart sensor, which automatically communicates configuration data information to the logger without any programming, calibration, or extensive user setup.If an 2m cable is preferred, please...
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Well Cap for MicroRX Water...
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Well Cap for MicroRX Water Level Stations

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WELL-CAP-02
This locking well cap provides a convenient way to suspend HOBO MicroRX Water Level sensor cables in a well, and provides strain relief (especially important for long cables).
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RXW-TMB-x-868 HOBOnet... RXW-TMB-x-868 HOBOnet... 2
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RXW-TMB-x-868 HOBOnet Wireless Temperature Sensor

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RXW-TMB-x-868
The HOBOnet Wireless Temperature Sensor provides a cost-effective and scalable solution for web-enabled monitoring of air temperature. HOBOnet wireless sensors communicate data directly to a HOBO RX Station or pass data through other wireless sensors back to the central station. They are preconfigured and ready to deploy, and data is accessed through...
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Antifouling Protective...
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Antifouling Protective Guard - U26-GUARD-2

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U26-GUARD-2
The Anti-fouling Protective Guard can be used in place of the standard protective guard for protection against fouling during deployment. The anti-fouling guard uses copper windings to reduce bio-fouling, while still allowing good water flow to the sensor.
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HOBOnet Temp Sensor (air,... HOBOnet Temp Sensor (air,... 2
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HOBOnet Temp Sensor (air, soil, and water)

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RXW-TMB-868
The HOBOnet Wireless Temperature Sensor provides a cost-effective and scalable solution for web-enabled monitoring of air, soil, and water temperatures. HOBOnet Wireless Sensors communicate data directly to the RX3000 weather station or pass data through other wireless sensors back to the central station. They are preconfigured and ready to deploy, and...
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Replacement DO Sensor Cap -...
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Replacement DO Sensor Cap - U26-RDOB-1

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U26-RDOB-1
The Replacement DO Sensor Cap replaces the original DO sensor cap that’s included with the HOBO DO Data Logger. The DO sensor caps have a 6-month deployment life. (The caps expire 7 months after initialization to allow some time before and after the deployment.) The caps have a 2-year shelf-life from the date they were manufactured. (Shelf-life shown on...
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