In-Situ Inc.
221 E Lincoln Ave.
Ft. Collins, CO 80524
970-498-1500

Multi-Parameter TROLL® 9500


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Integrating RDO sensor into the TROLL® 9500 water quality instrument
The In-Situ® RDO sensor integrates seamlessly into the multi-parameter TROLL 9500. The TROLL 9500 instrument is available in either a sub-2 inch or sub-4 inch instrument body for groundwater and surface water monitoring. Click here for details on using RDO sensor with the TROLL 9500 instrument.

Understanding the technology
Optical DO technology has revolutionized water quality monitoring. Find out how In-Situ Inc. continues to improve on luminescence-based sensor technology.

Meeting regulations
The USEPA recommends interim approval of the optical dissolved oxygen method. ASTM International accepted the luminescence-based sensor as a standard method in 2005. Learn more about these methods.

Using the RDO sensor