Using a light intensity data logger as an inexpensive light meter

HOBO light intensity data loggers, such as the UA-002-08, are designed to give you a general comparative idea of how much light there is in an area: sunlight v. shade, lights on/off, etc. If you plan...

HOBO U26 Dissolved Oxygen Data Logger

Learn the features of this dissolved oxygen logger, which measures both dissolved oxygen and temperature. Specs covered include RDO sensor technology calibration, accuracy rating, and six-month...

Using the S-FS-CVIA Module with the H22-001 Energy Logger

See how to use HOBOware to configure the S-FS-CVIA Two-channel Analog Input Module and the H22-001 Energy Logger

Choosing a Conductivity Logger

Whether you are selecting a conductivity logger for the first time or have experience measuring conductivity, this paper can help you determine the type of logger that best suits your needs. It...

HOBO Waterproof Shuttle U-DTW-1 indicator lights

Green “OK” LED illuminates when: HOBOware recognizes i

Onset HOBO MX2200 Series Intro

HOBO MX2200 Series water temperature loggers bring convenient wireless setup and download to Onset's field-proven TidbiT and Pendant water temp loggers! These models feature the power of Bluetooth...

Sample Data - HOBO UX90-005 & -006 Light On/Off & Occupancy - Light Sensor Internal Calibration Event

Attached is a screenshot from HOBOware that includes a plot created from data recorded by a HOBO UX90-005 Light On/Off & Occupancy Logger. This logger allows the user the ability to calibrate the...

HOBO U23 Pro v2 Temperature & Relative Humidity Data Logger

Learn the features of this outdoor temperature and relative humidity logger, perfect for condensing environments. Product specs such as robust case, built-in temperature and relative humidity sensor,...

MX2001 - Submersion of Upper Portion of the Logger

The top part of the HOBO MX2001 logger includes a barometric-pressure sensor and its associated sensor port. If the port is submerged, the logger cannot provide accurate water level measurement, as...

Climate Change Research Using Data Loggers

Nolan describes how data loggers have been an important part of his climate change study in Siberia and Alaska.

Build Your Own Thermistor

For instructions on how to build your own thermistor, please see attachment.

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: Installing transducers in an...