M4 Knick provides liquid-analysis instrumentation and automated measurement solutions for pH, ORP, conductivity, and dissolved oxygen. Its offering includes sensors, transmitters and controllers, portable meters, holders and fittings, sample-conditioning and monitoring panels, software and IoT packages, and automated cleaning and calibration systems for industrial, municipal, and process-manufacturing applications.
ATEX
FM Approvals
IECEx
PROFINET
LaMotte CompanyFounded in Baltimore in October 1919, LaMotte Company makes portable and laboratory water-analysis equipment for professionals, educators, and homeowners. Frank L. LaMotte began with the first domestically produced pH test kits, and the company has since developed technologies including DPD chlorine testing, electronic colorimeters, and Spin Touch systems. Based in Maryland with expanded manufacturing and R&D capacity in Delaware, LaMotte serves more than 75 countries across applications ranging from drinking water and wastewater to pools and aquaculture.CHESTERTOWN, MD
OI AnalyticalOI Analytical, a Xylem brand, designs and manufactures analytical instruments for chemical analysis. Its product portfolio includes total organic carbon analyzers, automated chemistry analyzers, gas chromatography detectors, purge-and-trap concentrators, titration instruments, and life-science biochemistry analyzers for environmental, water, food and beverage, mining, petroleum, chemical, energy, and laboratory applications.EDGEWOOD, MD
Apera Instruments, LLCSince 1991, Apera Instruments has designed and manufactured electrochemical sensors and meters that help users measure water quality, with its specialty extending from pocket testers to laboratory instruments. The company makes key components in-house, particularly its electrodes, and operates an ISO 9001:2015-certified manufacturing facility; its products are used in more than 60 countries. Apera serves everyone from researchers to hobbyist growers, including with instruments tailored to challenging samples such as pure water, viscous liquids, and high-salinity solutions.COLUMBUS, OH
AMETEK Process InstrumentsAMETEK Process Instruments is a worldwide manufacturer of process analyzers and instrumentation and a business unit of AMETEK, Inc.’s Process & Analytical Instruments division. Its engineering and manufacturing activities take place in several North American facilities, while sales and service offices and channel partners support customers globally. The company designs analyzers for process monitoring, control, and quality assurance, and also develops custom analyzer configurations for specialized applications.PITTSBURGH, PA