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

HOBO MX2305 Temperature...
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HOBO MX2305 Temperature Data Logger

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MX2305
The HOBO MX2305 is a weatherproof data logger with an internal 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 Occupancy/Light (5m... HOBO Occupancy/Light (5m... 2
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HOBO Occupancy/Light (5m Range) Data Logger - 346.795 measurements

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UX90-005M
The HOBO Occupancy & Light data logger monitors room occupancy and indoor light changes to identify occupancy patterns and determine energy usage and potential savings. The HOBO UX90-005 Room Occupancy/Light Data Logger is available in a standard 128 KB memory model (UX90-005) capable of 84.650 measurements and an expanded 512KB memory version...
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HOBO 9m Depth Titanium... HOBO 9m Depth Titanium... 2
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HOBO 9m Depth Titanium Water Level Data Logger

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U20-001-01-Ti
Providing a narrow range of measurement for the best possible accuracy, this version is ideal for monitoring water levels and temperatures in wells, streams, lakes and wetlands.Like other HOBO Water Level Data Loggers, the 9m version offers exceptional value and ease-of-use, with no cumbersome vent tubes or desiccants to maintain. This data logger is...
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HOBO Occupancy/Light (12m... HOBO Occupancy/Light (12m... 2
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HOBO Occupancy/Light (12m Range) Data Logger - 84.650 measurements

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UX90-006
The HOBO Occupancy & Light data logger monitors room occupancy and indoor light changes to identify occupancy patterns and determine energy usage and potential savings. The HOBO UX90-006 Room Occupancy/Light Data Logger is available in a standard 128 KB memory model (UX90-006) capable of 84.650 measurements and an expanded 512KB memory version...
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HOBO 30m Depth Titanium... HOBO 30m Depth Titanium... 2
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HOBO 30m Depth Titanium Water Level Data Logger

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U20-001-02-Ti
Providing a narrow range of measurement for the best possible accuracy, this version is ideal for monitoring water levels and temperatures in wells, streams, lakes and wetlands.Like other HOBO Water Level Data Loggers, the 30m version offers exceptional value and ease-of-use, with no cumbersome vent tubes or desiccants to maintain. This data logger is...
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EG4130 Core - 30 Input... EG4130 Core - 30 Input... 2
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EG4130 Core - 30 Input Meter Data Logger

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EG4130
The EG4130 Core is a 30-channel energy meter with 0.5%  revenue-grade accuracy compliance and the ability to measure residential or commercial circuit panels, up to 3-phase 277/480VAC and 6900A. The meter has HomePlug AV powerline communication, an Ethernet port, and 2 USB ports for additional options, like WiFi. The embedded web server lets you connect...
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HOBO Occupancy/Light (12m... HOBO Occupancy/Light (12m... 2
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HOBO Occupancy/Light (12m Range) Data Logger - 346.795 measurements

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UX90-006M
The HOBO Occupancy & Light data logger monitors room occupancy and indoor light changes to identify occupancy patterns and determine energy usage and potential savings. The HOBO UX90-006 Room Occupancy/Light Data Logger is available in a standard 128 KB memory model (UX90-006) capable of 84.650 measurements and an expanded 512KB memory version...
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HOBO 76m Depth Titanium... HOBO 76m Depth Titanium... 2
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HOBO 76m Depth Titanium Water Level Data Logger

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U20-001-03-Ti
Providing a narrow range of measurement for the best possible accuracy, this version is ideal for monitoring water levels and temperatures in wells, streams, lakes and wetlands.Like other HOBO Water Level Data Loggers, the 76m version offers exceptional value and ease-of-use, with no cumbersome vent tubes or desiccants to maintain. This data logger is...
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HOBO Water Level Data...
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HOBO Water Level Data Logger Starter Kit (0 to 4 m)

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KIT-S-U20-04
Combining high accuracy water level measurements with out-of-the-box convenience, this money-saving kit includes everything needed to start logging right away. It is ideal for monitoring water levels and temperatures in wells, streams, lakes and freshwater wetlands.This kit includes:    U20-001-04 HOBO data logger (0 to 4 m range)    BASE-U-4 base station...
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HOBO Water Level Data...
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HOBO Water Level Data Logger Starter Kit (0 to 9 m)

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KIT-S-U20-01
Combining high accuracy water level measurements with out-of-the-box convenience, this money-saving kit includes everything needed to start logging right away. It is ideal for monitoring water levels and temperatures in wells, streams, lakes and freshwater wetlands.This kit includes:    U20-001-01 HOBO data logger (0 to 9 m range)    BASE-U-4 base station...
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kWh Monitoring Kit – UX90...
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kWh Monitoring Kit – UX90 with WattNode Sensors

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KIT-UX90-KWH
The HOBO kWh Monitoring Kit combines the convenience and affordability of Onset’s award-winning HOBO UX90 State/Pulse Data Logger with the power of industry-leading WattNode sensors.As one of the industry’s lowest-cost kWh monitoring solutions, the kit gives energy engineers, auditors, building commissioners, and others a simple way to log electric usage...
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HOBO Water Level Data...
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HOBO Water Level Data Logger Starter Kit (0 to 30,6 m)

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KIT-S-U20-02
Combining high accuracy water level measurements with out-of-the-box convenience, this money-saving kit includes everything needed to start logging right away. It is ideal for monitoring water levels and temperatures in wells, streams, lakes and freshwater wetlands.This kit includes:    U20-001-02 HOBO data logger (0 to 30,6 m range)    BASE-U-4 base...
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HOBOnet Temp/RH Sensor HOBOnet Temp/RH Sensor 2
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HOBOnet Temp/RH Sensor

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RXW-THC-868
The HOBOnet Wireless Temperature and Relative Humidity Sensor provides a cost-effective and scalable solution for web-enabled monitoring of air temperature and humidity. 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...
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HOBO Temperature/Relative... HOBO Temperature/Relative... 2
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HOBO Temperature/Relative Humidity (within 3.5% accuracy) Data Logger

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UX100-003
The HOBO UX100-003 Temperature/Relative Humidity data logger records temperature and relative humidity (within 3.5% accuracy) in indoor environments with its integrated sensors. The data logger is ideal for monitoring occupant comfort in office buildings, tracking food storage conditions in warehouses, logging temperature trends in server rooms, and...
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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 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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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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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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HOBOnet Manager HOBOnet Manager 2
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HOBOnet Manager

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RXMOD-RXW-868
The HOBOnet Wireless Manager module is installed in an RX3000 station. Data is transmitted wirelessly from sensors across the network to the RX3000 station and then uploaded to HOBOlink, Onset’s innovative cloud-based software platform.
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HOBOnet Repeater HOBOnet Repeater 2
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HOBOnet Repeater

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RXW-RPTR-868
The HOBOnet Wireless Repeater is designed to work with the HOBOnet Wireless Sensor Network. The repeater is ideal when there is an obstruction between wireless sensors and the RX3000 station or for extending the transmission range of wireless sensors in the network.
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