
How to Choose the Right Oxygen Sensor
Not sure which oxygen sensor you need for your application? In this video, Schuyler Smith of Apogee Instruments, covers the different oxygen sensor models we offer, applications they are best suited for, and which accessories are needed for those…

Soil Oxygen Concentration - Case Study
Dr. Wendy Yang’s Global Change Ecology Lab, at the University of Illinois at Urbana-Champaign, is currently using the Apogee SO-110 oxygen sensor, with the optional diffusion head, for quasi-continuous measurements of bulk soil oxygen concent…

Differential vs. Single-ended Measurements
Apogee SO series oxygen sensor
A couple of years ago, while talking to a customer who had a limited number of input channels on his datalogger, I suggested measuring an oxygen sensor using a single-ended channel instead of a differential cha…

Apogee Oxygen Sensors
Figure 1: Diffusion Head in use
We sell two types of oxygen sensors: soil and fast response. The soil sensor is designed for direct burial and includes a diffusion head, which has a screen that allows the sensor to…