Specification functional demonstration model of a solar thermal system lighting unit with 25 halogen bulbs spacing and inclination adjustable collector 2 replaceable absorbers with different coating solar circuit with pump and variable flow hot water storage tank with tube coil as heat exchanger and electrical auxiliary heater sensors detect temperature and illuminance software for data acquisition via USB under Windows 7, 8.1, 10 Technical data Flat collector absorbing surface: 320x330mm inclination angle: 0…60° Lighting unit lamp field: 25x 50W Pump adjustable flow: 0…24L/h Measuring ranges temperature: 4x 0…100°C flow rate: 0…30L/h illuminance: 0…3kW/m2 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase 230V, 60Hz, 3 phases UL/CSA optional Dimensions and weight LxWxH: 1840x800x1500mm Weight: approx. 167kg Battery charge controller Battery : deep cycle, sealed lead acid 110Amp hour.
