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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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Pendant Optics
Attached please find an image that shows the location of optic LEDs in Pendant (UA-series) loggers. All Pendant optics are located in the same location on all models.
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Proper Coupler Seating, BASE-U-4 (Optic Base station) and the U-DTW-1 (Waterproof Shuttle)
The attached image shows both the incorrect and correct assembly of a logger coupler to the BASE-U-4 (Optic Base station) and the U-DTW-1 (Waterproof Shuttle).
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Davis Rain Gauge (S-RGC-M002, S-RGF-M002 & S-RGE-M002) Cable Routing
See attached photos for clarification.
This is also covered in each product's respective manual, which can be found on the following product web pages under the Documentation tab:
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Calibrating S-SMC-M005 and W-SMC Soil Moisture Sensors
The attached application note - Calibration Equations for the S-SMC-M005 Soil Moisture Sensor - details the process for calibrating soil moisture data.
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Adding or Removing Smart Sensors from a HOBO RX3000 Station
To add or remove smart sensors from a HOBO RX3000 station:
1. If the station is currently logging, press the Stop button to stop it.
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Deploying water temp and water level loggers or developing a QAPP
For users looking for guidance on deploying temperature or water level loggers, or developing a QAPP (Quality Assurance Project Plan), here is a great reference from the EPA:
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