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How to configure differential pressure for bidirectional scaling
Set the PXU sensor to Bidirectional mode by moving the jumper to BI, as described in the attached manual.
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Measure Direct Current with the HOBO RX3000 and the T-VER-H971 Transducer
To measure Direct Current using the HOBO RX3000 and the T-VER-H971 transducer, see attachment.
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HOBO UX120-017: Dry contact, channel voltage.
When the switch is closed, low voltage (0V) is detected. When the switch is open, a 100K pull-up resistor brings the processor input pin to 3.3V.
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HOBO MX110X buzzer decibel (dB) output
The buzzer decibel (dB) output of the HOBO MX1100 logger series is 65 dB to 75 dB, depending on battery level.
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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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Electrically Noisy or Incorrect Thermocouple Readings
Electrically noisy or incorrect thermocouple measurements can occur if the USB cable is left connected between the logger and computer during your deployment.
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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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