Familiarisation with different industry standard components with a 4-20mA current loop interface using the example of level measurement Features - various measuring principles for level measurement - industrial 4...20 mA measurement technology Learning objectives/experiments - familiarisation with different level sensors - familiarisation with different industry-standard components with a 4...20 mA current-loop interface - connection and practical handling of components with a 4...20 mA 2-wire interface in a current loop Specification [1] use and practical handling of industrial components with a 4...20 mA current-loop interface [2] various measuring principles for level measurement: level sensor, capacitive, and pressure sensor, piezo-resistive [3] each sensor equipped with one analogue 4...20 mA interface and one HART interface [4] current-loop connections led out with lab jacks on the front of the switch cabinet [5] 2-channel line recorder with touchscreen operation [6] USB interface to export the measurement data Technical data Pump - max. head: 20,9m - max. flow rate: 4,8m3/h - power consumption: 0,73kW - speed: 2850min-1 Level sensor (capacitive) - calibrated: 40mm, 800mm - length: 1016mm - operating voltage: 24VDC - HART output: 4...20mA Pressure sensor (piezo-resistive) - calibrated: 0mm WC, 800mm WC - overload: 10bar - operating voltage: 24VDC - HART output: 4...20 mA Measuring ranges - pressure: 0...1bar - level: 40...800mm 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase, 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 1280x790x2200mm Weight: approx. 211kg
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