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Wiring Diagram - Monitoring a 3-phase Circuit using the HOBO H21-002 Micro Station and the T-VER-E50B2
Attached is a diagram that shows you how to use the T-VER-E50B2 Power and Energy Meter
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Wiring Diagram - Monitoring Three- Phase Energy using the HOBO UX90-001 and the Wattnode kWh Transducer
Attached is a drawing that illustrates how to use a HOBO UX90-001 State Data Logger and a T-WNB-3D-480 3-phase kWh Transducer to monitor energy consumption on a three-phase circuit.
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Wiring Diagram - Monitoring Motor Run-Time with the UX90-004 Motor On/Off Logger
The UX90-004 includes an internal two-axis AC magnetic field sensor that is designed to pick up the presence of an AC field when the logger is attached to the motor housing.
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How often do temperature data loggers need recalibration and/or servicing?
All sensors drift over time and they can be tested in a controlled environment to make sure that they are running within the specifications outlined in the User's Manual. You can use methods such as a simple ice bath or an environmental chamber to verify your device is operating correctly.
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Thought Leader: The Heat is On—Monitoring Coral Bleaching in Honduras' Bay Islands
Learn how leading researchers use advanced monitoring techniques to track rising ocean temperatures, gain insights into coral bleaching and reef resilience, and develop strategies to protect our seas’ vital ecosystems.
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Learning from New England's Blizzard: When Winter Weather Hits Hard, Data Matters
March 6, 2026
The combination of heavy snow and extreme wind made the Blizzard of 2026 a reminder that monitoring is crucial to weather extreme winter events.
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HOBO data logger use is HOT in heat studies
August 4, 2023
From tracking dangerously hot living conditions to studying how "cool roofs" decrease building temperatures, our data loggers are proving to be small but mighty tools in the face of heat waves and climate change. This post looks at how a Canadian news network spearheads an urban heat study.
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Wiring Diagram - Monitoring Single-phase AC Current using the HOBO UX120-006M
Attached is a drawing that shows how to measure AC current through a line cord using the HOBO UX120-006M 4-channel Analog Input logger and a CTV-A current transformer.
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Wiring Diagram - Monitoring Three-phase Energy using the ZW Wireless Data Node and the Wattnode kWh Transducer
Attached is a wiring diagram that shows how to connect a Wattnode kWh Transducer to a HOBO ZW-008 or ZW-005 wireless data node to log energy consumption on a 3-phase circuit.
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