Smart Sensor Sampling Interval

When a sampling interval is configured, the station or logger will take multiple measurements within a given logging interval and then average them together to create a single logged data point...

How to replace an RX3000 Station battery

This video will show you how to replace a battery in a HOBO RX3000 Station

Wiring Diagram - HOBO H22-001-S-FS-CVIA Voltage Input Logic Switch

Attached is a wiring diagram that shows how to monitor switch closures with a HOBO H22-001 Energy Logger fitted with the optional 2-channel analog input module S-FS-CVIA

An alarm was tripped on my MX logger. How do I clear it?

Visual alarms are cleared based on the settings selected under “Maintain Visual Alarms Until” when configuring the logger. This means the visual alarm will clear when the logger is reconfigured, when...

Unable to Read Out MX 2001 Logger

After a successful readout on an MX2001 logger that is logging, stopping the logger and then attempting to read out the same data again may fail. Make sure the logger is completely disconnected by...

Changing Out the Electrode on the HOBO MX2501 pH Logger

This video resouce will show you how to easily change out the electrode on your pH logger.

Creating a voltage divider

A voltage divider will drop the voltage of the input signal to the level the data logger can measure. Onset offers several adapter cables that include voltage divders,...

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. In the event that the...

Exporting Data from EG4100 Series Devices

From the home screen, click the export button in the upper left of the graph (highlighted in yellow below).

Logger power failure and data loss

The data is stored on non-volatile EEPROM. For data loggers with external batteries: change batteries and offload data, then relaunch normally. For data loggers with internal batteries: as long as...

Stainless steel loggers and salt water

Following is an important application note regarding the deployment of the following products: U20-001-01 – HOBO Water Level Logger U12-015 – HOBO U12 Stainless Steel Temp Logger U12-015-02 –...

Wiring Diagram - Monitoring Single Phase Energy using the UX90-001 and the Wattnode kWh Transducer

Attached is a drawing that shows you how to use a UX90-001 State Data Logger and a T-WNB-3D-240 3-phase kWh Transducer to monitor energy consumption on a single-phase circuit.(This transducer can be...