FCI's ST100 Flow Meter has received ATEX and IECEx approval, and its enclosure is ATEX and IECEx certified as flame-proof and protected from dust ignition. The ST100’s ATEX and IECEx approvals are as follows: Ex d IIC T6/T1 Gb Ta = -40°C to +65°C; Ex tb IIIC T85°C/ T450°C Db Ta = -40°C to +65°C; IP67. These approvals specify design criteria for flow meters and other electrically-powered instruments for use in areas where combustible gases may be present.
Whether the need is for 4-20 mA analog, frequency/pulse, alarm relays or digital bus communications such as HART, Fieldbus, Profibus or Modbus, the ST100 is the solution. Should a plant’s needs change over time or an upgrade be desirable, the meter adapts as necessary with a plug-in card replacement that can be changed out by plant technicians in the field.
The graphical, multivariable, backlit LCD display/readout provides comprehensive information with continuous display of all process measurements and alarm status, and the ability to interrogate for service diagnostics. The meter stores up to five unique calibration groups to accommodate broad flow ranges, differing mixtures of the same gas and multiple gases, and obtains up to 1000:1 turndown. An optional, patent-pending SpectraCal Gas Equivalency calibration method lets users select and switch between 10 common gases. Also standard is an on-board data logger with an easily accessible, removable 2-GB micro-SD memory card capable of storing 21 million readings.
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 850ºF (454ºC) and are available with both integral and remote (300 meters) 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 ATEX and IECEx include FM and FMc.
Flow meter
