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

HOBO Temperature/RH Data... HOBO Temperature/RH Data... 2
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HOBO Temperature/RH Data Logger

Onset
MX2301A
The HOBO MX2301 is a weatherproof data logger with built-in temperature and relative humidity sensors. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly from your mobile device, and provides high-accuracy measurements in harsh outdoor environments.
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HOBO Water Level (13 ft)... HOBO Water Level (13 ft)... 2
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HOBO Water Level (13 ft) Data Logger

Onset
U20L-04
The HOBO U20L-04 is a low-cost, research-grade water level data logger for continuously measuring water level and temperature in a wide range of underwater environments. It features 0.1% measurement accuracy, a polypropylene housing for use in both fresh and salt water, and a non-vented design for convenient and hassle-free deployment. This data logger...
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HOBO U30 USB Weather... HOBO U30 USB Weather... 2
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HOBO U30 USB Weather Station Data Logger

Onset
U30-NRC
This rugged weather station is Onset’s most durable outdoor environmental monitoring solution. Users can easily configure the HOBO U30-NRC Weather Station to fit their application needs. Use up to 15 channels to collect environmental data and then upload to HOBOware® software for analysis. HOBOware Pro is recommended for extended features, see the...
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Water Level Sensor - MX2001-S Water Level Sensor - MX2001-S 2
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Water Level Sensor - MX2001-S

Onset
MX2001-S
The MX2001 water level sensor is used with the HOBO Bluetooth water level data logger (MX2001) and with the MicroRX Water Level Station (RX2100) for accurate water pressure, temperature, and water level measurements. These sensors are available in four depth ranges, in stainless steel or titanium (recommended for use in saltwater).
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HOBO External...
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HOBO External Temperature/RH Sensor Data Logger

Onset
MX2302A
The HOBO MX2302 is a weatherproof data logger with external temperature and relative humidity sensors. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly from your mobile device, and provides high-accuracy measurements in harsh outdoor environments.
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Registrador de datos HOBO...
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Registrador de datos HOBO con sensor de temperatura externo

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MX2304
The HOBO MX2304 is a weatherproof data logger with one external temperature sensor. Leveraging Bluetooth Low Energy, the logger enables easy, fast set up and data download directly from your mobile device, and provides high-accuracy measurements in harsh outdoor environments.
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HOBO Water Level (100 ft)... HOBO Water Level (100 ft)... 2
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HOBO Water Level (100 ft) Data Logger

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U20L-02
The HOBO U20L-02 is a low-cost, research-grade water level data logger for continuously measuring water level and temperature in a wide range of underwater environments. It features 0.1% measurement accuracy, a polypropylene housing for use in both fresh and salt water, and a non-vented design for convenient and hassle-free deployment. This data logger...
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HOBO USB Micro Station Data... HOBO USB Micro Station Data... 2
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HOBO USB Micro Station Data Logger

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H21-USB
Rugged and compact, the redesigned HOBO USB Micro Station is a weatherproof data logger for multi-channel monitoring of microclimates. Starting at just EUR 202,22 this battery-powered station accepts up to five plug-and-play Smart Sensors and has a hinged door to make sensor installation simple and quick. The Micro Station is equipped with a built-in USB...
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Registrador de datos HOBO... Registrador de datos HOBO... 2
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Registrador de datos HOBO de oxígeno disuelto

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U26-001
Measure oxygen concentrations in lakes, streams, rivers, estuaries, and coastal waters with the HOBO U26 Dissolved Oxygen Data Logger. This affordable and precise data logger is recommended for aquatic biology and hydrology research projects. The HOBO U26 uses RDO® Basic (Rugged Dissolved Oxygen) optical DO sensor technology and is easy to maintain.
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HOBO MicroRX Station Data... HOBO MicroRX Station Data... 2
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HOBO MicroRX Station Data Logger - RX2100

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RX2100
The compact and rugged HOBO MicroRX Station is an easy-to-deploy, low-cost cellular solution for long-term, reliable field monitoring. Two power source options are available; a solar panel for extended deployments, and user-replaceable batteries for flexible mounting in covered or protected locations. The station includes inputs for up to five of Onset’s...
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Water Level Cable for...
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Water Level Cable for RX2100 - CABLE-RWL

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CABLE-RWL
The water level sensor cable provides the connection between the HOBO MicroRX Water Level Station and the water level sensor. Cables can be ordered in lengths from 1m to 500m for deployment in a wide range of applications. The 1, 2, 5, 10, 15, 30, and 60-meter cable lengths are standard and typically in stock. Custom cable lengths require a lead time of...
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Telaire 7001 CO2 Sensor
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Telaire 7001 CO2 Sensor

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TEL-7001
The Telaire 7001 handheld carbon dioxide sensor features patented Absorption Infrared technology. Each sensor measures CO2 and temperature and can calculate and display real-time ventilation rates. When combined with the HOBO U12 or ZW Series it can record CO2, and when connected to an analog input on a H22, RX3000, or U30 Series it can record temperature...
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HOBO Water Level (30 ft)... HOBO Water Level (30 ft)... 2
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HOBO Water Level (30 ft) Data Logger

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U20L-01
The HOBO U20L-01 is a low-cost, research-grade water level data logger for continuously measuring water level and temperature in a wide range of underwater environments. It features 0.1% measurement accuracy, a polypropylene housing for use in both fresh and salt water, and a non-vented design for convenient and hassle-free deployment. This data logger...
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Photosynthetic Light (PAR)...
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Photosynthetic Light (PAR) Smart Sensor

Onset
S-LIA-M003
€213.00
The Photosynthetic Light (PAR) Smart Sensor is intended to measure light intensity for the frequencies relevant for photosynthesis. This sensor has a measurement range of 0 to 2500 umol/m2/sec over wavelengths from 400 to 700 nm. Enclosed in a anodized aluminum housing with acrylic diffuser and o-ring seal, this model has a 3m cable; a light sensor...
Registrador HOBOnode con 4... Registrador HOBOnode con 4... 2
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Registrador HOBOnode con 4 entradas

Onset
ZW-006
The HOBO® ZW-006 is a 4-channel wireless data node with four analog ports. It wirelessly transmits data in real time, reducing the costs and inconvenience associated with manual data offload.
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12-bit Temperature/Relative...
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12-bit Temperature/Relative Humidity (2m cable) Smart Sensor

Onset
S-THB-M002
The 12-bit 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.Also available in a wireless...
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Air Velocity & Temperature...
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Air Velocity & Temperature Remote Head Sensor

Onset
T-DCI-F350-W5x3
The F350 series is a versatile, high performance, air velocity and air temperature sensor where the sensor element is built remotely from the sensor electronics. In products where segregation of the sensing element and electronics is desirable, such as products involving high EMI sensitivity or extreme temperature, or those where the sensing area is too...
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MX2500 Anti-Biofouling...
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MX2500 Anti-Biofouling Copper Guard

Onset
MX2500-GUARD
The Anti-Biofouling Copper Guard can be used in addition to the standard electrode guard for protection against biofouling during deployment. The anti-biofouling guard uses copper to reduce biofouling, while still allowing proper water flow to the sensor.
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HOBO Pendant® Event Data... HOBO Pendant® Event Data... 2
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HOBO Pendant® Event Data Logger

Onset
UA-003-64
€103.00
Accurately measure rainfall with the HOBO Pendant Event Data Logger. Determine rainfall rates, times, and duration after deployment with most standard tipping-bucket rain gauges. Efficiently gather and store momentary contact events and temperature data. Additionally, gain access to detailed event data. Event data is only stored when it happens for better...
Davis® 0.2 mm Rain Gauge... Davis® 0.2 mm Rain Gauge... 2
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Davis® 0.2 mm Rain Gauge Smart Sensor

Onset
S-RGF-M002
The Davis® Rain Gauge Smart Sensors features the new AeroCone® design, for better measurement accuracy in high-wind conditions. This gauge is made from UV-stabilized ABS plastic to provide a cost-effective sensor for rainfall measurement, and is plug-and-play compatible with all HOBO weather stations.Also available in a wireless model for use with the...
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Stevens SDX Pressure Sensor
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Stevens SDX Pressure Sensor

Onset
T-SDX-93720-xxx-xxx
The Stevens SDX (Submersible Depth Transmitter) is a high-accuracy water level/depth sensor that works with Onset’s HOBO® RX3000 cellular weather station to bring your water level data to the web. Suitable for a wide range of level monitoring applications, the SDX is a cost-effective option for remote, real-time water level data collection. It is...
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Davis® Wind Speed and... Davis® Wind Speed and... 2
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Davis® Wind Speed and Direction Smart Sensor

Onset
S-WCF-M003
Davis® Wind Speed/Direction Smart Sensors are compatible with all HOBO weather station loggers, HOBOware, and HOBOlink. They offer the same ease-of-use as existing Onset Smart Sensors, providing cost-effective HOBO weather stations for projects on a tight budget.  The sensors feature a plug-in modular connector for easy installation, and all configuration...
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