Flow computer Klemsan Automation
VC211L™

Rflo-VC211L Electronic Volume Corrector

The VC211L™ is an advanced, high accuracy,
single stream flow computer specially designed to
meet the emerging requirements of gas
distribution utilities.
It defines a new standard for ease of use while
delivering unmatched levels of performance and
flexibility.
The VC211L incorporates wide range of features
which not only meets the local metering
requirements, but also provides a complete
solution for the gas distribution utilities to achieve
fast, efficient and cost effective network operation
and management.

• Approved by NMI for legal metrology

• EN 12405 compliant

• AGA 5, AGA 7, AGA 8, GERG
• ISO 6976 calculations

• Complies with ISO 12213-3

• Certified for use in hazardous locations

• F l e x i b l e gas chromatograph connection

• Remote upload/download of gas information

• 1 year history of Vm, Vc, Vb, M, E, P and T

• Hierarchical alarm and early warning structure

• 64 bit normal and disturbed accumulators

• Min, max, average data storage

• Multi level data safety and security

• Connects to all common turbine types

• Dual high and low pulse inputs

• AGA 7 compliant meter correction

• Allows direct NAMUR sensor connection

• System-wide distribution of gas information

• 4 communication ports

• 1 isolated RS232/RS485
• port for remote connections

• MODBUS master and slave support

• Easy access thru Internet

• Local and remote configuration
• and programming software

• 32 bit RISC based high performance design

• AGA 8 detailed calculations in 30 msec

• Expandable memory
• High isolation, precision I/O
• 24 bit analog input resolution