ET 180 Pressure Switches In Refrigeration Didactic Equipment Vocational Training Equipment Refrigeration Training Equipment
Protection against overpressure and negative pressure in the refrigeration circuit; display of switching states via lamps Features - gain expert knowledge of refrigeration through practical exercises - checking and adjustment of pressure switches in refrigeration - clear arrangement at the front panel - display of switching states via lamps - independent pressure generation via compressor Learning objectives/experiments - gain expert knowledge of refrigeration through practical exercises - operation of a pressure switch - difference between low and high pressure switches - difference between NC and NO contacts of a switch - setting the switching threshold - setting the differential gap - recording the switching behaviour of the pressure switch over pressure Specification [1] experimental unit from the practical series for the training of mechatronics engineers for refrigeration [2] operation and adjustment of pressure switches in refrigeration [3] low pressure, high pressure and combined pressure switches [4] indication of switching states via signal lamps [5] pressure generation via independent refrigerant compressor, pressure medium air [6] pressure adjustment via pressure keeping valve [7] hazard-free operation of the pressure switches at 24V Technical data Compressor pressure range: -0,9...24bar Pressure switches adjustment range - low pressure: -0,9...7,0bar, hysteresis: 0,7...4,0bar - high pressure: 8,0...32,0bar, hysteresis: 4...10bar Measuring ranges - manometer: -- -1...9bar -- -1...24bar 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 1000x650x530mm Weight: approx. 60kg
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