Welcome to the Home Page of RL Instruments/Sentron America's Inc.

For the past 20 years RL Instruments has specialized in helping our customers choose the right measurement and control testing instruments for both process on-line and bench top applications. We also carry a full line of refractometers, moisture balances, and in fact balances of all types for any and all applications.  We in fact can assist you with almost any measurement and control instrumentation made, even though it may not be on our website.  We can supply a laboratory with all instrumentation and consumables in a convenient one stop shop with no long delays - and we can do it for small operations all the way up to billion dollar per year giants!!

Do you have a pH measurement need where glass probes cannot apply?  Do you have to move pH measurement from the laboratory to the process, but have been restricted in doing so due to the presence of glass pH probes affecting your product?  RL Instruments/Sentron America's specializes in NON-GLASS pH probes  and meters for both benchtop and process applications!  We can assist you in testing our NON-GLASS pH measurement instrumentation at your facility at no cost or obligation to you but shipping charges!  We offer 7 day trial evaluations for new applications as well as laboratory testing of your products prior to the pH measurement instruments arrival, assuring you satisfaction and accuracy from the moment you recieve our products.  Want to move that measurment to the process?  We specialize in NON-GLASS on-line pH probes as well.  Please contact us for details at 508-612-4302.  Ask for the pH testing laboratory and a sample preparation kit.  Our NON-GLASS pH consultants are standing by to assist you!!  Make the move today!!

Do you have - or will have - an OEM need for a NON-GLASS pH or pressure sensor of virtually negligible weight and size?  A consultant at RL Instruments/Sentron America's can assist you in choosing the right sensor for the right measurement to suit your budget and usage needs.  RL Instruments/Sentron America's also offers 24/7 customer support - and our EXCLUSIVE "Lifetime Loaner Service" not found from any other manufacturer.  We offer such for most of the instrumentation that we can provide as negotiated with the manufacturer.  Need us to MAKE SURE you get such service in an instruement from a manufacturer?  Contact us today!  Our buying power brings value added support when you purchase YOUR laboratory or process control measurement instrumentation through RL Instruments/Sentron America's!  Our motto is "It's service AFTER the sale that counts", and we mean it!!