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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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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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Wiring Diagram - Monitoring Multiple Single-Phase Circuits with the Wattnode with P3 Option
Attached is a wiring diagram that shows how to monitor Wattnode kWh transducers with th
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Wiring Diagram - HOBO UX120-006M, U12, H08 Voltage Logic Switch
Attached is a wiring diagram that shows how to monitor switch closures with a HOBO UX12
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