Experts in
Water Chemistry
since 1903

Experts in boiler water chemistry and innovators to the
drinking water industry for over a century, bringing the most
advanced online instrumentation available today.

Waltron is the market leader in water and steam quality monitoring instruments for the Power Generation, Petrochemical, Pulp and Paper, Water/Ultra Pure Water, Semiconductor, and Environmental industries. Waltron also serves the industry with service programs, on- and off-site training seminars, and plant chemistry audits.


Waltron is committed to offering the highest quality, most technologically-advanced range of water-quality instrumentation. Our instruments are designed foremost to be easy and inexpensive to operate and maintain – without the user needing an advanced degree in chemistry to keep them running.

Other Products

As a leader in the field of water chemistry since 1903, Waltron serves a global range of industrial and municipal clients, as well as various branches of the U.S. Government. We offer a wide range of accessories and spare parts for instruments, and specialty pumps and chlorinators for military applications.


Waltron produces its own precise reagents and chemical standards in house, as well as a number of fully-tested and ready-to-use reagents for other manufacturers’ instruments. Our lab team also assists chemical manufacturers in developing online analysis methods for their specialty products.

Product Spotlight

9165S LDO Smart Sensor Analyzer

Waltron’s renowned luminescent technology is now available in an economic and simplified form factor. The 9165S LDO Smart Sensor is connected through a simple 4-20 mA analog output to a panel monitor (not shown) or directly to a DCS. Its compact design can be used in a variety of online analysis applications throughout many different industries. The 9165S provides the same high accuracy and excellent long-term stability as the full-sized instrument and can be upgraded in the future with a 9165 transmitter to operate with a full touchscreen interface.

Waltron 9165S LDO Smart Sensor


"*" indicates required fields

First Name*
Last Name*
This field is for validation purposes and should be left unchanged.