SEP-OCT 2018

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product spotlight | Flow The Promass A flowmeter measures sub- stances drop for drop. Promass A measures values with repeatability, even in cases where process and ambient conditions fluctuate. The measuring device is suited for installations including modular process facilities and skids. The sensor system is mounted on a base plate that acts as a "shock absorber," shield- ing the Coriolis measurement from out- side interference, such as pipe vibrations. Other contributing factors are the oscilla- tion frequency of the measuring tube and its completely balanced oscillation behavior. At a specified maximum measured error of ±0.1%, high-precision measurements down to 8 g/min are possible. If the maximum error is permitted to be ±1%, even a quantity of less than 1 g/min can be measured. Device options include nominal diam- eter, material, process connection, certifi- cation, and transmitter type or degree of protection, and it can be used in numerous applications. The measuring device has a nominal diameter DN 1 (1/24"), so it can also be installed in extremely tight spaces, such as in skids. There are a multitude of process connections available, such as flanges, lap joint flanges, couplings, inter- nal threads, and tri-clamps. Promass A can be used at process temperatures between –50°C and +205°C (–58°F and +401°F). The wetted parts are manufactured from stainless steel or Alloy C22 and are compliant with the requirements accord- ing to NACE MR0175/MR0103. As a re- sult, the entire measuring system has high corrosion resistance and is suited for ap- plications in the chemical and process in- dustries. Because the entire sensor hous- ing surface consists of corrosion-resistant stainless steel, it is especially suited for harsh ambient conditions in the offshore and onshore sectors where there is ag- gressive, salty air. Process connections are available in different pressure ratings up to a maximum of 430.9 bar (6250 psi). Endress+Hauser Flow switch monitor Machinery manufacturers and plant engi- neers relying on the pneumatic control of automated assembly lines and end-to-end packaging equipment are a focus of the FS10i flow switch monitor. The measure- ment of compressed air flow lines with the FS10i switch/monitor gives information to the equipment's control system to optimize the air flow. It monitors and alarms for air leaks, which can occur due to failures of process piping, tubing, or compressor seals. The dual function flow switch/monitor is suitable for trending the rate of air flow with its 4–20 mA flow monitoring output. It includes a relay output for low-flow trip point detection. The trip point and flow range are set in the field by technicians un- der actual operating conditions using tactile feedback buttons. By simulating a high and low flow while in the calibration mode, the FS10i will range the 4–20 mA output signal over that span and indicate flow. The switch/monitor operates over a flow range from 0.25 FPS to 400 SFPS. Repeat- ability is ±0.5% of reading. It is designed for simple insertion into threaded tees in a 0.5-inch (13-mm) or larger diameter pipe. The FS10i is repeatable to both increas- ing and decreasing changes in flow rate. This capability gives engineers the ability to adjust compressed air levels to variable pro - duction line demand. The device has a top/ front-mounted 10-LED array. It has both a visual indication for plant technicians that the trip point has been exceeded (LED flashes on/off) and of the relative flow rate (10 percent increments) across the flow range. The switch/monitor's wetted parts are 316L stainless steel with the flow sen - sor's thermowells constructed of corrosion- resistant Hastelloy C-22. Fluid Components International EL-FLOW Prestige in the company's line of mass flowmeters and controllers for gases can now be equipped with an onboard pressure sensor. In combina- tion with the "dif- ferential tempera- ture bal- a n c i n g " s e n s o r technolo- gy and an incorpo- rated gas database with physical properties, the instrument automatically compensates for inlet pressure variations. As a result, the accuracy and control stability will not be af fected by these pressure changes. The multigas and multirange functional- ity of the device enables the user to select any of the installed gases and to adjust the measuring range within the boundaries of the device. Also, the dynamic behavior of the mass flow controller can be tuned on site, by adjusting the controller speed pa- rameters. These settings can be changed using free software tools FlowTune or FlowPlot. The latter tool can also be used for device diagnostics or alarm and coun- ter settings. Bronkhurst 54 INTECH SEPTEMBER/OCTOBER 2018 WWW.ISA.ORG Coriolis mass flowmeter Mass flow controller with onboard pressure sensor

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