Find knowledge base articles, manuals, FAQs, technical support, and more.
+ Does this sensor measure dissolved oxygen?
No, it measures the absolute concentration of gaseous oxygen.
+ Can I add additional cable to the sensor?
Yes, if properly spliced, the signal from the sensor is not affected by splicing on additional cable. Please check the Owner's Manual
for details and limitations on adding cable. For information on how to create a proper waterproof splice, please visit our instructional webpage
or watch our video
. We offer custom cable lengths of our high quality cable and splice kits that can be ordered at the time of purchase or a later date.
+ Do I need to order a sensor to go with my meter?
No. All Apogee meters (MO, MI, MP, MQ, and MU series) either have sensors built into the meter or attached via two meters of cable. If you order a sensor only (SI, SO, SP, SQ, and SU series) you will need to have your own datalogger (or, depending on the sensor, a voltmeter) to collect information form the sensor.
+ Can I add cable to my meter?
Although it is possible to splice additional cable to the separate sensor, note that the cable wires are soldered directly into the circuit board of the meter. Care should be taken to remove the back panel of the meter in order to access the board and splice on the additional cable, otherwise two splices would need to be made between the meter and sensor head. Click here
for further details on how to extend sensor cable length.
+ What are the typical applications of Apogee oxygen sensor?
Applications include: measurement of O2 in laboratory experiments, monitoring gaseous O2 in indoor environments for climate control, monitoring of O2 levels in compost piles and mine tailings, monitoring redox potential in soils, and determination of respiration rates through measurement of O2 consumption in sealed chambers or measurement of O2 gradients in soil/porous media. Apogee oxygen sensors are not intended for use as medical monitoring devices.