Uber Solar Water Heater, Complete High Pressure System 18 EVT 100 Litres Close Coupled Thermosiphon. Collector is facing South West at 7 deg slope to horz, with a slight tilt towards North West to aid the thermosiphon.
Raw values taken from Solar Analysis on channel 123452. Temperature and humidity are measured under a solar geyser on the roof.
SRHPE 150 litre Solar Ray Geyser Analysis. 19 direct coupled vacuum tubes 1.8m long x 58mm dia. Panel is facing North East set up at 35ยบ to horizontal on top of flat roof. LDR estimates light intensity by Lux = 500/(Rldr)^1.3