At HOWILL INSTRUMENTS, Inc. we offer high quality custom crafted instrumentation for measuring color in liquids. Combined we have over 75 years experience designing, marketing and providing electronic instrumentation. Our product offering includes APHA (platinum cobalt) color measurement for both laboratory and continuous monitoring and lab and portable instruments for measuring Potassium Permanganate in the absence of any other oxidizer.

We have recently decided to offer other products not manufactured by HOWILL INSTRUMENTS, Inc. but which are of high quality and value to the water treatment market. These include turbidimeters, chlorine analyzers, UV 254 analyzers, pH/ORP, Dissolved Oxygen, conductivity, dissolved ozone and streaming current monitors for continuous monitoring.

The HF scientific line also includes laboratory and portable equipment for NTU, chlorine, chlorine dioxide, UV 254 and more! Please give us a call or send an email for a price quote.

We hope you will find what you are looking for here and urge you to let us know if there is an instrument for water quality measurement you need that is not represented here, we will do our best to locate it for you.