Instrumentation > Flow

Katronic KATflow clamp-on ultrasonic flowmeters

20 October, 2011

The Katronic KATflow clamp-on ultrasonic flowmeters work on the transit-time method. This is based on the principle that sound waves travelling with the flow will move faster than those travelling against it. The resulting difference in transit time is directly proportional to the flow velocity of the liquid and consequently to the volumetric flow rate.


Deltaflux orifice flowmeter

24 September, 2011 by

The Deltaflux orifice flowmeter is designed for measuring gas and liquid flows and suitable for high flow rate measurement and control in process flows, water treatment and gas furnace applications.


Influx FloTrak metal VA flowmeter

23 September, 2011 by

The Influx FloTrak metal VA flowmeter is designed for the measurement of gas and liquid. Fluid passing through an orifice within the tube causes a profiled float to assume a position where the forces created by flow are balanced by the weight of the float. A magnet in the float is sensed by the FloTrak system, providing a direct reading flow rate scale, optional alarms or a 4-20 mA output.


McCrometer V-Cone DP flow meter

21 September, 2011

McCrometer’s V-Cone flow meter is claimed to be inherently more accurate than traditional DP instruments because of the flow conditioning function built into its sensor design. Its centrally located cone interacts with the fluid steam, reshaping the velocity profile to provide a stable signal that increases measurement accuracy.


Endress+Hauser Promass 83X/84X four-tube Coriolis mass flow meter

21 July, 2011 by

The Promass 83X/84X is claimed to be the world’s first large, four-tube Coriolis mass flow meter. The 14 (DN350) diameter flowmeter is suitable for measuring the mass flow, density and temperature of oil, gas and other fluids in large pipes, at flow rates up to 4100 tonnes/h.


Endress+Hauser EngyCal RH33 Btu and RS33 steam billing meters

14 July, 2011 by

The EngyCal RH33 Btu meter and RS33 steam meter provide high-precision data recording and billing information for custody transfer, steam measurement and energy-flow calculations for process and facility applications.


Trimec TM Turbopulse/TP Turbopulse turbine meter series

22 June, 2011 by

The Trimec TM Turbopulse mini and the larger TP Turbopulse turbine meter series measure flows of low viscosity liquids from 3 to 7,000,000 L/h in a range of sizes from 1/4 to 20 (6~500 mm).


Dwyer Series ULF ultrasonic flow measurement transmitter

02 June, 2011 by

The Series ULF is an ultrasonic continuous flow measurement transmitter suitable for maintenance-free, non-contact measurement of open channels. This series operates on ultrasonic technology and is claimed to offer dependable, highly accurate measurements.


FCI ST100 Series thermal mass flow meter

01 June, 2011

The ST100 Series thermal mass flow meter from Fluid Components International (FCI) now provides a modular design so that the flow meter can be adapted as necessary with a plug-in card replacement that can be changed out by plant technicians in the field. The meter can provide conventional 4-20 mA analog, frequency/pulse, alarm relays or digital bus communications such as HART, Foundation Fieldbus, Profibus or Modbus.


Gems FS-600 Series flow switch

17 May, 2011 by

The Gems FS-600 Series flow switch has a robust, ‘no moving parts’ design that works with both conductive and non-conductive fluids.


Hydac HFS 2500 flow switch for water-based media

17 May, 2011 by

The HFS 2500 flow switch is based on the variable area float principle and can be used in any position in the system. The test medium moves a spring-loaded float in the direction of flow, depending on the flow rate. A reed contact is fitted to the outside and is therefore separate from the flow circuit. When the magnet inside the float reaches the preset position, the reed contact will switch.


Trimec Multipulse Oval series PD flowmeters

13 May, 2011 by

The Trimec Multipulse Oval series PD flowmeters offer a high level of accuracy, turndown and repeatability. These precision meters are used for flow-rate measurement in flow monitoring and control applications and for totalising in dispensing and batching.


Vortex shedding tutorial - Part 3

21 April, 2011 by Wade Mattar and James Vignos, PhD, Foxboro, Invensys

In Parts 1 and 2 of this article on vortex shedding flowmeters we looked in detail at how they work and how they are constructed. In Part 3 we look at what needs to be considered in the application of vortex flowmeters.


Vortex shedding tutorial - Part 2

07 April, 2011

In Part 1 of this article on vortex shedding flowmeters we looked at the principles of their operation and the basic construction of the meter. In Part 2 we examine the transducer and the transmitter.


Eastern Instruments CentriFlow solids flowmeter

23 March, 2011 by

The CentriFlow solids flowmeter from Eastern Instruments is designed to replace weigh belts, impact meters, loss-in-weight meters and static weigh scales, where accuracy, low maintenance and zero drift are paramount.


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