Sierra Instruments offers the largest selection of in stock factory select heavy and light industrial mass flow meters available anywhere on the web.

Sierra has expanded their customer service by offering process engineers an easy online ordering platform, next-day delivery, and their global network of factory-direct customer support.

“It’s very exciting that we now offer in stock versions of all our industrial products, including vortex flow meters. Now our heavy and light industrial customers also get the value-added benefit of easy online ordering and fast delivery with next-day shipping. From our research, no other online instrumentation store offers customers this type of fast delivery of in stock industrial flow meters with personalised, factory-direct global support. This is truly a milestone in our industry,” says Erica Giannini, Marketing Manager.

The industrial online flow meter store now includes in stock versions of:

·       Mass vortex flow meters-InnovaMass 241 VT to measure volumetric flow rate and temperature and the 241 VTP to measure mass flow rate, temperature, pressure, volumetric flow rate, and fluid density of gas, liquid, or steam.

·       Thermal mass flow meters-BoilerTrak 620S and FastFlo 620S in pre-calibrated 1-inch, 2-inch, 3-inch and 4-inch schedule 40 pipe sizes for typical application in the precise measurement of methane/propane and compressed air measurements.

·       Ultrasonic flow meters for liquids flow measurement and heavy industrial flow and level switches

Fully customisable versions of all Sierra products are also available. Sierra provides a wide range of scientific instruments for any application or budgetary need. Our selection of premium instruments feature flow rates up to 1000 slpm that are ideal for laboratory, chromatography, and research & development applications. Flow meters and mass flow controllers are available for any gas and any output signal, with digital communications and a variety of cable options. Sierra also offers a selection of clamp-on and portable ultrasonic flow meters for measurement of liquids; heavy industrial flow switches; light and heavy industrial flow meters to order online or through traditional ordering methods.


A global leader in flow measurement and control for over 40 years, Sierra instruments designs and manufactures high performance flow instrumentation for gas, liquid and steam applications commonly found in the pharmaceutical, scientific research, health, energy and semi-conductor industries. With over 150 offices in 50 countries, Sierra is uniquely positioned to provide their innovative products and lifetime support for the leading companies of today and the growth enterprises of tomorrow.