Hi!
I has found two completely identical devices, one from VEGA, second from KROHNE.
VEGASON 61 http://www.vega.com/en/Level_measurement_ultrasonic_VEGASON61.htm
OPTISOUND 3010 C http://www.krohne.com/OPTISOUND_3010C_-_3030C__Level_Measurement__en.10029.0.html
Who from them the original?
I has found two completely identical devices, one from VEGA, second from KROHNE.
VEGASON 61 http://www.vega.com/en/Level_measurement_ultrasonic_VEGASON61.htm
OPTISOUND 3010 C http://www.krohne.com/OPTISOUND_3010C_-_3030C__Level_Measurement__en.10029.0.html
Who from them the original?