[1] Temperature control demonstration and practice unit [2] Temperature control with plate heat exchanger and 2 water circuits [3] Primary circuit with electrically heated tank, pump control valve, variable-area flowmeter [4] Secondary circuit with fresh water connection, temperature transducer, variable-area flowmeter [5] Ball valve to generate disturbance variables in fresh water circuit [6] Plate heat exchanger, 30 plates [7] Control valve: electro-magnetic proportional valve [8] Digital industrial controller, freely configurable [9] Base construction in solid steel frame and metal panel [10] Large process schematic on front panel [11] Process variables X and Y accessible as analogue signals via lab jacks [12] 230V, 50Hz, 1 phase, fresh water connection |