Thermal Mass Flowmeter for Rugged Applications

Fluid Components has introduced the ST100 series thermal mass flowmeter, designed for process and plant gas flow measurement applications. The ST100 is able to continuously measure, display and transmit an extensive array of parameters and is designed with a migration path so instrument, process and plant engineers have the flexibility to adapt to plant and control technology they might deploy in the future. Whether the need is for conventional 4-20mA analogue, frequency/pulse, alarm relays or advanced digital bus communications such as HART, Foundation Fieldbus, Profibus or Modbus, the ST100 is the solution.

If a plant's needs change over time, the ST100 flowmeter adapts as necessary with a plug-in card replacement that can be changed out by plant technicians in the field. The ST100 flowmeter features a graphical, multivariable, backlit LCD display, which provides information with continuous display of all process measurements and alarm status, and the ability to interrogate for service diagnostics. The ST100 measures gas mass flow rate, total flow, temperature and pressure, depending on the model range. It stores up to five calibration groups to accommodate broad flow ranges, differing mixtures of the same gas and multiple gases, and obtains up to 1,000:1 turndown.

An optional Spectracal gas equivalency calibration method allows the user to select and switch between 10 common gases. Also standard is an on-board data logger with an easily accessible, removable 2GB micro-SD memory card capable of storing 21 million readings. With the ST100, Fluid Components offers three different types of flow sensors to best match user applications. The FPC style is a fast-response type that features an integral flow conditioner and protective shroud optimised for compressed air and clean gas applications. The FP style is a fast-response, general-purpose design with a protective shroud and is also the sensor used with Fluid Components' Verical in-situ calibration option.

For applications with wet or dirty gases or erratic flows, the unshrouded S-style facilitates easy cleaning and provides a smoothed response. The ST100 series is comprised of two core model ranges: the ST and STP. The ST range measures mass flow and temperature, and the STP range measures mass flow, temperature and pressure. Both ranges include single-point and dual-element models as configurations outfitted with Fluid Components' Verical in-situ calibration option. 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 0.25-1,000sfps (0.07-305nmps) with accuracy of +/- 0.75 per cent of reading, +/- 0.5 per cent of full scale.

ST100 flowmeters are designed for rugged industrial process and plant applications, including service up to 454C. Both integral and remote (up to 1,000ft) electronics versions are available. The ST100 is agency approved for hazardous environments, including the entire instrument, the transmitter and the enclosure. Instrument approvals (submitted and pending) include: FM and FMc: Class 1, Division 1, hazardous locations, Groups B, C, D, E, F, G; ATEX and IECEx: Zone 1, II 2 GD Ex d IIC T4; the rugged enclosure is NEMA 4X/IP67 rated.

Comments

Post a Comment

Popular posts from this blog

What is Class I Division 2?

Image
A Class I Division 2 is a location: (1) In which volatile flammable gases, flammable liquid-produced vapors, or combustible liquid-produced vapors are handled, processed, or used, but in which the liquids, vapors, or gases will normally be confined within closed containers or closed systems from which they can escape only in case of accidental rupture or breakdown of such containers or systems or in case of abnormal operation of equipment, or (2) In which ignitable concentrations of flammable gases, flammable liquid-produced vapors, or combustible liquid-produced vapors are normally prevented by positive mechanical ventilation, and which might become hazardous through failure or abnormal operation of the ventilating equipment. Class I Division 2 Classification Class I Division 2 refers to the ANSI/ISA 12.12.01 standard. This standard was previously UL1604 until UL recommended the newer ANSI/ISA standard be used and that all hazardous location products be certified under this standa...
Read more

FUSE SIZING CONSIDERATIONS FOR HIGHER EFFICIENCY MOTORS

Image
When selecting the proper fuse for short circuit protection in motor starting applications, it is important to not only ensure that the fuse will not nuisance open during motor start up times, but also that the fuse will coordinate as required with overload relays. When sizing fuses between 125% and 150% of the motor nameplate current, several advantages, including ease of coordination with an overload device, a smaller disconnect, and increased short circuit protection from a lower fuse rating, can be achieved. However, if sizing at this level prevents the motor from starting, it may then be necessary to increase the fuse ampere rating and it then becomes important to know the NEC sizing limitations. As of June 1, 2016, the US Department of Energy has mandated that newly manufactured electric motors will need to meet NEMA Premium® efficiency standards. As motor efficiencies increase, motor locked rotor currents can also be expected to increase. In addition to this, with across-the-lin...
Read more

7/8 16UN Connectors that Provide 600 Volts and 15 Amps

TURCK announces new A-Size 3 and 4-pin 7/8 16UN powerfast™ connectors that provide up to 600 Volts and 15 Amps of power. These IP67 rated connectors provide a modular wiring system designed to handle high current applications for machine power distribution, while providing resistance to vibration commonly associated with conveyors, motors and material handling applications. The cordsets are available with a tray rated, exposed run PVC flexlife ® cable, with or without STOOW rating, and 14 AWG wires that allow you to replace hard wiring with a robust, quick disconnect system that saves the time and money spent installing a conduit system. The A-Size powerfast line offers male and female, straight connectors, standard and custom lengths, and pigtails or extensions. To make the system complete, fully encapsulated mating receptacles, with 1/2”-14 NPT mounting threads are available.
Read more