Gas ultrasonic flow meter selection guide
Overview
А
- Autonomous power supply
E
- External power supply
No. of measurement channels
X – Number of channels of measurement
0 - Flanged section with EATs
1 – Clamp-on stationary EATs
2 – hot-tapped installation of EATs in pipeline wall
3 – Customer specific applications
P – portable version
x – number of EAT pairs
Process pressure
L – up-to 16 bar
N – up-to 63 bar
S – up-to 100 bar
H – up-to 160 bar
O – Customer specific version
Factory Calibration
A – on air
G – on natural gas
W – without factory calibration
Installation data
DNxxxx – Pipe nominal diameter, mm
Process connection
N – no flanges, pipewall installed sensors
D – Flanges DIN
xxxx – PN, Bar
A – Flanges ANSI
xxxx – pressure class
O – Customer specific
Ambient temperature
L - Low temperature version (-60 …. +40 deg C)
S - Standard version (-30 …. +55 deg C)
H - High temperature version (-30 …. +70 deg C)
Electronics block
I – integrally mounted electronics block with display
W – Electronic junction box without display
Output
S – 2 pulse outputs (up-to 5 kHz); 1 RS485/232
O – 1 passive analogue output; 2 pulse outputs (up-to 5 kHz); 1 RS485/232
Hazardous area certification
I – Exi certification (ATEX)
W – without certification (for non hazardous applications)
Power supply
A – 220 VAC power supply system with intrinsic barriers and
communication interface
D – 24 VDC power supply system with intrinsic barriers and
communication interface
X – Customer specific
W – without power supply, customer to provide required power input
Accessories (optional)
F – Meeting flanges with bolts and studs to be supplied with flow meter
Accessories (optional)
R – straight pipe-runs to be supplied with flow meter
Accessories (optional)
C – Flow conditioner to be supplied with flow meter
