Contrec 515-GN16 Natural Gas Flow Computer

SKU: Contrec 515–GN16 Categories: ,

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Contrec 515 Series with GN16 application measures the volume, mass and gross heat content of natural gas. The instrument uses single or stacked differential pressure volumetric flow and analogue temperature and pressure sensor inputs.

The instrument calculates the flow according to generic differential pressure equations and incorporates the conditions at which the flowmeter was calibrated.

The SGERG calculation (AGA-8 Detail Characterization Method) is used to obtain accurate values of density and compressibility factors for the flow calculations.

CALCULATIONS

The gas density and compressibility factor calculations are based on the SGERG (AGA-8 Gross) equations. The calculations are valid for the region:

-8°C < t < 62°C P < 12MPa

17°F < t < 143°F P < 1740psia

FORMULAS

Mflow = volume flow• ρflow

corrected flow = Mflow/ρ ref

Heat flow = Mflow•Hm

Where:

Mflow = mass flow

ρflow = density at flow conditions

ρ ref = density at reference conditions

Hm = mass gross heating value

Product Highlight

  • Tailored for differential pressure volumetric meters with single or stacked transmitters
  • Generic differential pressure flow calculations
  • Uses SGERG (AGA-8 Gross Method) Natural Gas compressibility calculations
  • For Natural and Coke-Oven Gases
  • Allows for square law and non-linear correction
  • Selection of second language and user tags
  • RTC logging with over 1000 entries
  • Pulse width and scaling of pulse output
  • 4-20mA retransmission
  • Selectable protocols on serial ports including Modbus RTU and Printer output
  • Front panel adjustment of 8-24V DC output voltage
  • Backlit Display
  • LCD Backup

Datasheet: Contrec 515 – GN16 Datasheet

Instruction Manual: Contrec 515 – GN16 Instruction Manual

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