Profile: Ernie Graves Company is a process measurement and control manufacturers' representative & solutions provider. We offer our customers a selection of industrial products. We provide a wide array of options for precision flow measurement and control in diverse environments. Thermal mass flow meters & thermal mass flow controllers use thermodynamic principles to derive actual mass flow. A thermal mass flow sensor can be combined with an integral valve and PID controller in one compact, efficient instrument. Brooks SLA5800 series digital thermal mass flow measurement and control products offer flexibility & performance. They offer faster response, better accuracy and improved control over traditional analog devices. Industry leading repeatability ensures a stable process even under changing conditions. Self diagnostics and alarms eliminate downtime. Brooks secondary electronics control unit is a microprocessor based readout and control device designed to meet the highest standards with user-friendly operation. Model 0252 provides 2 channels, and Model 0254 provides 4 channels. They also provide power supply for Brooks gas/liquid thermal mass flow/pressure controllers/meters and Quantim coriolis mass. The readout function is a back lit 4 x 20 character display. Model MT810 magnetic level gauges provide reliable liquid level measurement through the use of a proven magnetic float technology, which does not require external power. As a result, plant engineers can continue to monitor material levels despite planned or unplanned power cuts. Optional alarms and transmitters are available to permit remote monitoring as well.