Geneq > Teaching Equipment > Measure & Regulation

Pressure sensors unit - Study of regulation

Model CPR 100

The unit is delivered complete with instrumentation, technical documentation and instructions. Designed and manufactured to industrial standards. This unit is designed for various levels and fields of study. Inlets and outlets are connectable by safety female sockets - Ø 4 mm. Option : - Interface and software for PC - Utilities module It is possible to connect the measurement module with the control and regulation modules in series or parallel. UTILITIES Electricity : 230VACsingle-phase – 50 Hz Compressed air : 6 bar (90 psi) maximum DIMENSIONS Length : 780 mm Width : 570 mm Height : 590 mm Weight : 50 kg

Applications

Illustration of the various theoretical principles involved in the measurement of pressure Manipulating controls Characteristic curves Comparison of the sensors Adjustment of the regulator inlet Calibration of the sensors compared to a reference Technical data about the elements in a regulation loop Sensor – regulator – actuator – perturbing element PID or self-adaptive Configuration of the regulator Characteristic curves (pressure, opening of the valve, response time, etc…)

Specifications

Absolute pressure sensor Ceramic diaphragm Capacitive dried measure cell Outlet – current loop-20 mA Accuracy ±0.5% of the full scale Relative pressure sensor Silicium diaphragm wheatstone-piezzo-resitive resistance Current loop outlet 4-20 mA Accuracy ±0.5% of the instruments range Differential pressure sensor Silicium diaphragm Principle: numerical resonator Current loop outlet 4-20 mA Accuracy ±0.075% of the full scale BOURDON type manometer DN80 – stainless steel Accuracy class : 1,6 Analog outlet PID type regulator with microprocessor Accuracy class : 0.2 Configurable scale range Continue, logical and relay outlet – Proportional band from 0.5 to 1000% – Integral action time from 0.1 to 100 min – Derived action time from 0.01 to 10 min Self-adaptive: the PID parameters are calculated by the regulator for an optimized regulation. Numerical outlet MODBUS RS 232 Regulation valve Stainless steel body Variable Cv Pneumatic actuator and positioner Perturbation valve Stainless steel tank Manual vacuum pump Safety valve: adjustment - 2 bars