The Royce Model 7011A Suspended Solids Analyzer provides reliable, continuous operation in waste treatment plants, rivers, lakes and other aqueous systems. A user friendly text screen provides menu driven setup and operation in easy to understand language. The instrument will read in either milligrams per liter or percentage of solids and is auto-ranging. With features that include in situ calibration, automatic color compensation (Patent Pending), true microprocessor operation and automatic ambient light compensation (Patent Pending) the Model 7011A has set the standard for measuring suspended solids

The Model 7011A has standard outputs that include 4 to 20 milliamp or 0 to 1 volt, RS-485 serial communication port, and two programmable set point relays. Both the 4 to 20 and the RS-485 outputs are isolated. The 4 to 20 ma and 0 to 1V are scaled by the end user. The RS-485 output also provides for surge protection against power variations or electrical storms. The set point relays can be independently configured as either a high or low set point and can be utilized for direct control or for alarming. Self-cleaning frequency of sensor optical surfaces are user programmable from the instrument keypad in order to adapt to the customer's requirements

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