Solved the problem, I did two things wrong:
I had enabled the 1wire-interface through raspi-config, turning this off made the sensor show up in evok I had two bad sensors connected to the hubEvok output:
1Wire Sensors/Devices Sensor DS18B20 - 28FF896672150104: 19.1°C Sensor DS18B20 - 28FF1FDF7215012D: 20.1°C Sensor DS18B20 - 28FF71B761150300: 39.5°C Sensor DS18B20 - 28FF147F611502B8: 37.9°C Sensor DS18B20 - 28FFFEA162150371: 20.6°C Sensor DS18B20 - 28FF55B66215038C: 45.6°C