Home > Stop pulling meters out for calibration verification with VeriCal system for FCI ST100 air/gas flow m

Stop pulling meters out for calibration verification with VeriCal system for FCI ST100 air/gas flow m

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article image The VeriCal in-situ calibration system verifies ST100 flow meter calibration in minutes without having to remove the meter from the pipe or process to meet MMS regulations
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AMS Instrumentation and Calibration presents an efficient solution for oil and gas engineers responsible for performing routine flow meter calibration verifications on offshore platforms or any difficult-to-access production environment.

Typically, these calibration verifications require the engineers to shut down the line, pull out the flow meter, install a spare, return the meter to the manufacturer or a calibration lab for testing and then have it shipped back for re-installation, resulting in a costly, difficult and time-consuming process. These problems can now be eliminated by using the VeriCal in-situ calibration verification system with the ST100 Series thermal mass flow meters from Fluid Components International (FCI). This unique system for the oil and gas industry reduces flow meter operating costs in flare gas applications aboard offshore platforms, at land-based oil/gas facilities and in petrochemical plants.

Designed for regulatory compliance, the ST100 flow meter with the VeriCal in-situ calibration system meets the US Minerals Management Service (MMS) Rule, 30 CFR Part 250, Subpart K, Section 250, stipulating that all domestic US offshore rigs processing more than an average of 2000 bopd must install flare/vent gas flow meters. These regulations are intended to protect the environment through the monitoring of greenhouse gases.

The VeriCal in-situ calibration system verifies ST100 flow meter calibration in minutes without the need to remove the meter from the pipe or process to meet MMS regulations. The ST100 Series flow meter offers feature-rich and function-rich electronics with its performance delivering excellent adaptability and value to meet plant gas flow measurement applications now and in the future.

The ST100 addresses a broad spectrum of requirements including 4-20 mA analogue, frequency/pulse, alarm relays or digital bus communications such as HART, Fieldbus, Profibus or Modbus. Should a plant’s needs change over time or an upgrade is needed, the ST100 flow meter adapts as necessary with a plug-in card replacement that can be changed out by plant technicians in the field.

Key features of ST100 flow meters include unique graphical, multivariable, backlit LCD display/readout providing comprehensive information with continuous display of all process measurements and alarm status, and the ability to interrogate for service diagnostics; ease of use with ability to store up to five unique calibration groups to accommodate broad flow ranges and differing mixtures of the same gas and multiple gases, obtaining up to 1000:1 turndown; and on-board data logger with easily accessible, removable 2GB micro-SD memory card capable of storing 21 million readings provided as standard.

Oil and gas engineers can choose from two multi-variable core model families - the ST and STP families. ST meters measure both mass flow and temperature, while the STP family adds a third parameter, pressure, making the ST100 the world’s first triple-variable thermal flow meter. Both families include single-point and dual-element models as configurations.

The ST100 can be calibrated to measure virtually any process gas, including wet gas, mixed gases and dirty gases. The basic insertion style air/gas meter features a thermal flow sensing element that measures flow from 0.25 to 1000 SFPS (0.07 NMPS to 305 NMPS) with accuracy of ±0.75 percent of reading, ±0.5 percent of full scale.

Designed for rugged industrial processes and plants, ST100 flow meters include service up to 850°F (454°C) and are available with both integral and remote (up to 1000 feet or 300 metres) electronics versions. The ST100 is agency approved for hazardous environments, including the entire instrument, the transmitter and the rugged, NEMA 4X/IP67 rated enclosure. Instrument approvals in addition to SIL-1 include ATEX, IECEx, FM and FMc.

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