$332.00
In stock
The HI97728-11 Nitrate CAL Check™ standards provide a simple solution to calibrating and validating the HI97728 Nitrate Portable Photometer that has a 0.0 to 30.0 mg/L (ppm) range of nitrate-nitrogen. This high quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a certificate of analysis. The certificate of analysis provides the lot number, reference values, and expiration date for traceability when certifying the HI97728 photometer.
To empower customers to achieve quality
by supplying intuitive, accurate, and reliable analytical instruments with exceptional customer service and value.
We take pride in every product we build. From an original idea, to a completed product ready for testing. We oversee every aspect of the manufacturing process. It is this level of attention to detail that sets us apart.