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...

HOBO RX3000 Manager and HOBOnode viewer will not work after Java 9 Update

If you are running HOBOware version 3.7.13 and also have updated to JAVA JRE 9, there will be an issue with the RX3000 manager and the HOBO node Manager within the HOBOware program. Until Java 9 is...

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...

Wiring Multiple 4-20mA Loops with a Single Power Supply

The attached diagram illustrates how to wir

Wiping the Electrodes Between pH Buffers - Don't Do It!

When calibrating a pH electrode, the user is mitigating the effect of the condition of the electrode, among other factors. pH electrode bulbs have an inner and outer hydrated gel layer that...

Protecting data loggers from electrical discharge (ESD)

A discharge of static electricity may cause a running data logger to stop recording. Precautions should be taken to prevent this while handling the data logger. Discharges may occur in the following...

Using a Water Level Data Logger to Determine Stream Flow

Onset does not currently offer a flow data logger; however, water level data loggers are commonly used to determine stream flow over time and "peak discharge." ("Discharge" is another way of saying...

Installing Onset soil moisture sensors

Use the attached guide as a reference when deploying soil moisture Smart Sensors.

Rapid battery consumption (outdoor loggers)

All users: Check both the logging and the sampling interval to make sure they are greater than one-minute intervals. For example, with a sampling interval of one second, the HOBO logger is...

Wiring Diagram - Measuring Compressed Air Flow with a stand alone analog logger

Attached is a drawing that shows you how to connect a UX120-006M logger to the compressed air flow meter from CDI, p/n T-CDI-5400-20S or the T-CDI-5200-10S via the CABLE-4-20MA adapter cable...

Wiring Diagram - Monitoring AC Current and Voltage on a Residential Panel - UX120-006M

Attached is a drawing that shows how to use the UX120-006M data logger to monitor 240 VAC voltage via the Conlab T-CON-ACT-300 voltage transducer. It also shows how to monitor AC current at the same...

Connecting the grounding and channel kits to the RX3000 Station

See how to install the grounding and channel kits onto the RX3000 Station