Reliable Measurements

Sept. 7, 2022
Myron L® Company’s 900 Series Monitor/Controller is a compact, user-intuitive instrument that can display up to seven critical water quality parameters.

Myron L® Company’s 900 Series Monitor/Controllers include everything necessary to simplify water quality management in industrial, municipal, and commercial operations in one compact (1/4 DIN) user-intuitive instrument.

The 900 Series’ suite of signal inputs can be configured to display up to seven critical water quality parameters: conductivity, resistivity, salinity, TDS, pH, ORP, temperature, flow, pulse, and percent rejection. The 900 Series also includes a 4 to 20 mA current loop, two-wire transmitter input that can be defined and scaled to display measurements how they need to be displayed. The instrument’s display can show from one to four of these inputs simultaneously, or constantly cycle through a series of single measurements.

The 900 Series’ outputs include up to three relays, two remote alarms, one 0-20/4-20 mA measurement, one 0-5/0-10 VDC measurement, and one RS-485 ASCII Serial Output. A user-specified hysteresis value prevents chatter — or the 900 Series can determine the value itself. The equipment’s flow switch input can disable all relay outputs whenever it’s triggered by a loss of flow.

With simple configuration and easy-to-follow on-screen prompts, the 900 Series equipment is accessible — but it’s also resilient and safe. Password protection levels prevent unwanted tampering; brightly colored LCD backgrounds instantly alert users to a solution’s status; and electronic or wet calibrations are easy to perform. Users also receive Myron L technical support for the life of the product. WW

Myron L® Company is a manufacturer of high quality and simple-to-operate conductivity and pH instrumentation for water quality control, chemical concentration testing, and process control. Learn more at

Published in WaterWorld magazine, September 2022.

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