Measurement Technique
Venturi
Pressure Loss Ratio (CO₂ gas applications)
Typical Operating Range
Turndown >8:1
Process temperature range -40 to 120°C
Typical Performance
Uncertainty (95% confidence level)
Mass flow rate <1%
Typical Repeatability
Mass flow rate 0.15%
Permanent Pressure Loss
Pressure loss specific to application <1 bar
ns
Mechanical Specificatio
Standard line sizes 2” through 24” nominal bore
Pressure class ANSI class 300# to 2500#
(API ratings on request)
Meter body material Duplex UNS31803 as standard
Alternative pressure ratings (ANSI/API 15K), temperature rating, sizes and material available on request
Instrumentation
Standard field instrumentation comprising:
Differential pressure – class-leading digital sensor
Gauge pressure – secondary variable from DP sensor
Temperature – non-intrusive sensor
Installation Requirements
Horizontal installation (vertical on request)
Upstream straight length: calibrated spool available for allocation systems when specified
Downstream straight length: None required
Data Acquisition Options and Power Requirements
1. Carbonstream Hazardous Area Flow Computer
Power supply 16V to 32V DC – Full Load < 10W
Signal Output RS485
Ethernet Modbus RTU
2. Ultra Low Power Hazardous Area FloCalculator
Power supply 16V to 32V DC – Full Load < 2W
Signal Output RS485 Modbus
User Required Inputs
Rich Stream CO₂ Composition
Hazardous Area Approval
ATEX / IECEx / UKCA
II 2G Ex db IIB T6 Gb -40°C ≤ Ta ≤ 60°C