WL 920 Temperature Measurement Didactic Equipment School Educational Equipment Thermal Lab Equipment
Investigation of transient temperature behaviour and defined temperature jumps Features - comparison of different temperature measurement methods - investigation of transient temperature behaviour and defined temperature jumps Learning objectives/experiments - familiarisation with different temperature measurement methods: -- non-electrical methods: liquid thermometers, bimetal thermometers -- electronic methods: thermocouple, Pt100 resistance thermometer, NTC thermistor - determination of air humidity with a psychrometer - familiarisation with the function of the individual temperature measuring instruments - response behaviour of the sensors - steady and transient behaviour Specification [1] steady and transient temperature measurement with typical measurement instruments [2] temperature sensors: liquid thermometer, bimetal thermometer, Pt100, thermistor (NTC), type K thermocouple [3] psychrometer for determining the relative air humidity [4] defined temperature jumps up to 80°C [5] experimental tank and heating tank with temperature control, water-filled [6] both tanks equipped with stirring machine [7] fan generates constant air temperature above the experimental tank [8] 3-channel line recorder for recording the measured values Technical data Heater - output: 2kW at 230V, 1,5kW at 120V - tank capacity: 4L Temperature controller - PID Line recorder - 3 channels - serial interface Temperature sensors - liquid thermometer with organic liquid - bimetal thermometer - psychrometer - thermocouple type K - thermistor (NTC) - Pt100 Measuring ranges - temperature: 0...100°C - rel. humidity: 3...96% 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase LxWxH: 1200x700x1550mm Weight: approx. 185kg
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