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ACT Evaluation Report on the HOBO U26 DO Logger
The HOBO U26 Dissolved Oxygen logger has been part of a multi-year evaluation of DO loggers and sensors by the Alliance for Coastal Technologies (ACT), and the results have just been published onli
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Wiring Diagram - Monitoring Differential Air Pressure with an RX3000
Attached is a diagram that shows how to connect and configure a Veris Differential Air Pressure Sensor (T-VER-PX-Series) with an RX3000 Station.
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Sample Data - Monitoring Remote Water Level, Rainfall and Specific Conductance in a Drainage Pond
Attached is a screen-capture from our HOBOlink web product that displays measurements made with a HOBO RX3000 station that's monitoring (among other things) rainfall, water level (Stevens vented wa
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Wiring Diagram - Monitoring 480V, 3-Phase AC Voltage and Current with a HOBO H22-001 Energy Logger
Attached is a wiring diagram that shows how to use CTs and PTs with the HOBO H22-001 Energy Logger via the S-FS-TRMSA Module. The image shows a 480 V, 3-phase application.
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Wiring Diagram - Monitoring Energy with a UX120-017 and T-VER-E50B2
Attached is a diagram that shows you how to use a T-VER-E50B2 Power and Energy Meter and UX120-017 data logger to monitor energy in a 3-phase circuit.
Warning:
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Using a Water Level Data Logger to Determine Stream Flow
Water level data loggers are commonly used to determine stream flow over time and "peak discharge"
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Remote Water Level Monitoring Application (U30)
The combination of the HOBO Remote Monitoring System/GSM and one or two third-party water level sensors with 4-20mA analog outputs provide a solution to remotely monitor water levels and access dat
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Maximum sensor cable length
The entire network (all sensors combined) cannot exceed 100 meters. As long as your total cable length is below this, it does not matter how you designate the individual cable lengths. It is important to insure that the connections are weatherproof.
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Possibility of exposure to chemicals or chemical vapors
This is dependent on the data logger you are using and the chemical and/or concentration of the chemical to which the data logger is exposed. Many chemicals will have an adverse effect on the data loggers and/or the sensors that the loggers utilize. Contact your authorized sales representative with questions regarding specific chemical contact with the data logger that you are using.
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Wiring Diagram - Monitoring Energy Consumption on a Regenerative Drive AC Motor with the Energy Logger
Attached is a drawing that shows how to use the HOBO H22-001 Energy Logger and a Wattnode kWh Transducer to monitor bidirectional energy being used and generated by a regenerative drive AC motor (l
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