Lower 48 Instruments

Lower 48 Instruments is a Dayton, Ohio-based instrumentation and controls firm specializing in pre and post-treatment environmental sampling, partially full pipe flow measurement, and open channel flow solutions. We partner with clients across the United States and internationally to deliver comprehensive monitoring systems. Our expertise encompasses calibration, service, and start-up support for a wide range of instruments, including flowmeters, samplers, and pH meters. Founded in 2017, Lower 48 Instruments leverages over 150 years of combined experience, providing unparalleled value and commitment to customer satisfaction. We are dedicated to helping our clients meet permitting and process control requirements with reliable, cutting-edge technology.

We offer full factory commissioning on a variety of instruments including flow, water quality and analytical. Instrument Service Problem with a process? Need a flume modified or instrument installed? We've got you covered. We have the know-how, equipment and patience to diagnose issues with every part of your monitoring system, from meter to GUI. Calibration and Certification Permitted calibration and annual EPA certifications for all makes and models of instruments, samplers and loops.

• Partially Filled Pipe Flowmeters
• Vacuum Samplers
• MACE Meters