Meet Sierra's Traditional Analog MFM and MFC Products!
Our family of high performance analog mass flow meters (MFM's) and mass flow controllers (MFC's) has been in continuous production since 1984. Since that time, we have successfully delivered over 150,000 analog MFM’s and MFC’s to build an installed base in almost every country in the world. Our SideTrak® Model 840 is industry's lowest pressure drop MFC and is an ideal drop in replacement for older MFC’s of various brands. If you need a high performance digital mass flow controller, the best MFC's we make is our award-winning SmartTrak 100 Series.
Our traditional analog offering is an affordable choice for the majority of applications. However, if you need a true economical/OEM digital mass flow controller, our SmartTrak 50 Series is an great solution. Our traditional analog instruments listed below are work-horses in industry and have stood the test of time. Enjoy browsing through our selection.
| » Mass Flow Controller Selection Chart » Mass Flow Meter Selection Chart |
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SideTrak® Model 840 Traditional Analog Stainless Steel Mass Flow Controllers An accurate and reliable stainless steel MFC with a wide flow range. Accuracy of +/- 1% of full scale and flow ranges from 0-10 sccm to 0-500 slpm. ![]() |
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SideTrak® Model 830 Traditional Analog Stainless Steel Mass Flow Meters An accurate and reliable stainless steel MFM with a wide flow range. Accuracy of +/- 1% of full scale and flow ranges from 0-10 sccm to 0-500 slpm. ![]() |
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TopTrak® Model 822S & Model 824S Econimical Analog Stainless Steel Mass Flow Meters A value-priced, stainless steel MFM with available large tiltable LCD readout. Accuracy of +/- 1.5% of full scale (+/-1% of FS optional) and flow ranges from 0-10 sccm to 0-500 slpm. ![]() |
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FloBox™ Model 951 & 954 Digital Control/Readout and Power Supply Systems The 950 Series includes a compact, single channel device and a deluxe, multi-channel device for operation of up to four mass flow instruments. The 950 Series is designed for use with the Sierra Model 830L, 830M, 840L and 840M instruments, but can be used on any brand of MFM or MFC. ![]() |









