The Contrec 515 GC04 is a reliable gas measurement tool that accurately measures the volume, corrected volume, and mass of various gases. This advanced instrument utilizes single or stacked differential pressure meters, including orifice plates, nozzles, venturi tubes, and V-Cones, along with inputs from temperature and pressure sensors.
This gas flow measurement device calculates flow rates based on differential pressure equations compliant with ISO 5167 standards or V-Cone meter specifications. It takes into account the calibration conditions of the flowmeter and effectively adjusts for thermal expansion effects, ensuring precise flow measurement.
The properties of the gas are determined using widely accepted industry-standard equations of state. These equations simplify the parameters needed to quickly and accurately assess compressibility and the actual gas quantity.
CALCULATIONS
Multiple calculation options are available to accommodate different types of gases and measurement conditions. These calculations are specifically designed for the vapor phase of gases.
Equations of state include:
- Ideal Gas
- Redlich-Kwong
- Soave-Redlich-Kwong
- Peng-Robinson





