Recording the characteristic of an industrial two-stage compressor, system control via PLC Features - compression process on a p-V diagram - integrated router for operation and control via an end device and for screen mirroring on up to 10 end devices: PC, tablet, smartphone Learning objectives/experiments - design and function of a two-stage compressor - measurement of relevant pressures and temperatures - determination of the intake volumetric air flow rate - compression process on a p-V diagram - determination of the efficiency - screen mirroring: mirroring of the user interface on up to 10 end devices -- menu navigation independent of the user interface shown on the touch screen -- different user levels available on the end device: for observing the experiments or for operation and control Specification [1] recording the characteristic of a two-stage compressor [2] piston compressor with 2 cylinders in V-arrangement [3] plant control with PLC, operation via touch screen [4] integrated router for operation and control via an end device and for screen mirroring: possible to mirror the user interface on up to 10 end devices [5] intake vessel with nozzle to measure the intake volumetric flow rate, pressure sensor and additional manometer [6] pressure vessel after the first stage as intercooler [7] pressure vessel after the second stage with safety valve, blow-off valve and silencer as well as an additional manometer and a pressure switch [8] sensors for pressures, temperatures and electric power output [9] data acquisition via PLC on internal USB memory, access to stored measured values via WLAN with integrated router/ LAN connection to customer's own network