Measurement and Control Products for WEATHER Measurement and Control Products for WATER Measurement and Control Products for ENERGY Measurement and Control Products for MACHINES Measurement and Control Products for STRUCTURES Measurement and Control Products for EARTH
Accurate, Rugged
Compact, low-power probe is field-proven
Request a Quote
Ask a Question
Overview
 
Specifications
 
Compatibility
 
Ordering
 
Support
 
Image Gallery
Sections: Downloads, FAQs

General Support

User Forum

Visit the Campbell Scientific Forum to submit your question to users around the world.

Ask an Expert

Ask a Question using our simple form and we'll pass it along to one of our experts.

Call Us

Our Application Engineers are ready to answer your questions. Our support numbers are:

Technical Support
US Sales
International Sales
Order Entry
Accounts Receivable
Repairs 		435.227.9100
435.227.9120
435.227.9140
435.227.9090
435.227.9092
435.227.9105

Downloads

There are currently no Downloads for the OBS-3+.

FAQ

Q. Does water color affect OBS measurements?
The application note includes results of tests on dissolved organic and inorganic NIR-absorbing substances in the environment.
..more
Q. What light sources and detectors are used in OBS sensors?
This application note provides a description of infrared-emitting diodes, laser diodes, photodiodes, daylight filters, and operating spectra.
..more
Q. How does sediment concentration affect an OBS sensor?
This application note shows sample calibrations for sand, silt, and clay.
..more
Q. How does sediment size affect an OBS sensor?
The application note includes OBS response to sand, mud, and flocculants and results of tests by U.S. Navy Civil Engineering Laboratory.
..more
Q. How big are the effects of sediment color on OBS measurements?
This application note includes information on sediment color and NIR reflectivity.
..more
Q. How do OBS and other optical sensors measure turbidity and suspended solids?
This application note provides general information about sediment sensors, light sources and detectors, optical designs, applications, and turbidity standards.
..more
Q. How is light transmitted through water samples?
This application note provides an introduction to light absorption, scattering, and attenuation, as well as other optical properties that affect OBS sensors.
..more
Q. Do bubbles affect my OBS data?
This application note provides a discussion of relative scattering intensities of bubbles and sediment.
..more
Q. Do I need to be concerned about fouling of OBS sensors?
This application note contains information in biological and chemical fouling.
..more
Q. Does it matter how I prepare sediment calibration standards?
Read this application note to learn more about the effect of drying and grinding sediment for calibration.
..more
Q. What turbidity standards should I use for calibrating OBS sensors?
This application note includes a discussion of formazin and SVDB-microsphere turbidity standards.
..more
Q. Can I directly convert NTUs to SSC?
Read this application note to learn about SSC turbidity relationships.
..more