Ultrasonic measurement
1=Approval: ATEX II 1/2G Ex ia IIC T6
N=Process Connection: Thread ANSI NPT1-1/2, PVDF
F=Power Supply; Output: ***2-wire; FOUNDATION Fieldbus
2=Operation: 4-line display VU331, envelope curve display on site
A=Housing:F12 Alu, coated, IP68 NEMA6P
2=Cable Entry: Gland M20 (EEx d > thread M20)
