Flow Measurments of Gases.

SmartTrak® 50 Series Mass Flow Meter
FLOWMETH's and Sierra Instruments™ SmartTrak® 50 Series is a digital gas mass flow meter designed to meet the low-cost budgetary requirements of OEM's while maintaining excellent quality and performance. Description

SmartTrak® 100 Mass Flow Meter
SmartTrak ® 100 Series features unprecedented performance, user-friendly features, and flexibility. FLOWMETH's and Sierra's 100 Series gives users the world’s most linear sensor, more robust electronics and even more flexibility over a wide range of functions. Description

Compod Programmable Control Modul
CompodTM is a programmable control module for FLOWMETH and Sierra Instruments' 100 Series that makes Smart-Trak® even smarter.. Description

MicroTrak 101 Ultra Low Flow Meter
Micro-Trak measures and controls micromass flows of gas previously thought to be too low for a reliable reading. Description

MaxTrak 180 Industrial Mass Flow Meter
Max-TrakTM is an industrial mass flow meter from the company that has been a trusted name in industrial thermal mass flow meters for decades FLOWMETH and Sierra Instruments. Description

SideTrak 830 Mass Flow Meter
Sierra Instruments’ Side-Trak® Model 830 Mass Flow Meters and Model 840 Mass Flow Controllers are designed for precise measurement and control of air and process gases in ranges from 0 to 10 sccm up to 0 to 500 slpm. Description

QuadraTherm 780i inline Thermal Mass Flow Meter
From Sierra’s beginning over forty years ago, Founder Dr. John G. Olin was driven by the vision of supplying industrial customers with the world’s most accurate thermal mass flow meter. And, he knew it was a “sensor” game. Description

QuadraTherm 640i insertion Thermal Mass Flow Meter
From Sierra’s beginning over forty years ago, Founder Dr. John G. Olin was driven by the vision of supplying industrial customers with the world’s most accurate thermal mass flow meter. And, he knew it was a “sensor” game. Description

StreelMass 640S Mass Flow Meter
Sierra Instruments’ Steel-MassTM Model 640S immersible thermal mass flow meter is designed for the toughest industrial gas flow measurement applications. Description

FlatTrak 780S-UHP Mass Flow Meter

SierraInstruments’ultrahighpurity(UHP)model780S gas mass flow meters are the instruments of choice for gas distribution service in semiconductor fabs, pharmaceutical production and other ultra-clean processes. UHP meters are constructed of 316L electro-polished, stainless-steel with a 7-10 Ra interior finish.. Description

FlatTrak 780S Mass Flow Meter

The FlatTrakTM Model 780S flow body eliminates velocity profile distortions, swirl and temperature stratifications in the gas stream and reduces the amount of upstream piping required for accurate flow measurement. Description

InnovaMass 240 Cryogenic Version Liquid Gas Mass Flow Meter

Sierra was the first to introduce a multivariable mass vortex flow meter to the market in the late 1990’s. Description

Twin Turbine Gas Meter ETTM

The ETTM (Electronic Twin Turbine Meter) is suitable for natural gas and various non-corrosive gases. The meter consists of an aluminum cartridge with two independent flow conditioners and turbine wheels, each calibrated and NMi approved for fiscal use. Description

Turbine Gas Meter FMT-L

The FMT-L turbine gas meter is suitable for natural gas and various non-corrosive gases. Description

Turbine Gas Meter FMT-S

The FMT-S turbine gas meter is suitable for natural gas and various non-corrosive gases. Description

Rotary Gas Meter FMR

The FMG series of rotary gas meters is designed to meet the highest demands of reliable and accurate measurement of gas flow. Description

QuadraTherm 780i inline Thermal Mass Flow Meter
From Sierra’s beginning over forty years ago, Founder Dr. John G. Olin was driven by the vision of supplying industrial customers with the world’s most accurate thermal mass flow meter. And, he knew it was a “sensor” game. Description

QuadraTherm 640i insertion Thermal Mass Flow Meter
From Sierra’s beginning over forty years ago, Founder Dr. John G. Olin was driven by the vision of supplying industrial customers with the world’s most accurate thermal mass flow meter. And, he knew it was a “sensor” game. Description

StreelMass 640S Mass Flow Meter
Sierra Instruments’ Steel-MassTM Model 640S immersible thermal mass flow meter is designed for the toughest industrial gas flow measurement applications. Description

FlatTrak 780S Mass Flow Meter

The FlatTrakTM Model 780S flow body eliminates velocity profile distortions, swirl and temperature stratifications in the gas stream and reduces the amount of upstream piping required for accurate flow measurement. Description

BoilerTrak 620S BT Mass Flow Meter

Sierra Instruments’ Boiler-TrakTM Immersible Thermal Mass Flow Meter provides an optimized solution for natural gas or propane flow measurement applications. Description

InnovaMass 240 Cryogenic Version Liquid Gas Mass Flow Meter

The FlatTrakTM Model 780S flow body eliminates velocity profile distortions, swirl and temperature stratifications in the gas stream and reduces the amount of upstream piping required for accurate flow measurement. Description

QuadraTherm 780i inline Thermal Mass Flow Meter
From Sierra’s beginning over forty years ago, Founder Dr. John G. Olin was driven by the vision of supplying industrial customers with the world’s most accurate thermal mass flow meter. And, he knew it was a “sensor” game. Description

QuadraTherm 640i insertion Thermal Mass Flow Meter
From Sierra’s beginning over forty years ago, Founder Dr. John G. Olin was driven by the vision of supplying industrial customers with the world’s most accurate thermal mass flow meter. And, he knew it was a “sensor” game. Description

StreelMass 640S Mass Flow Meter
Sierra Instruments’ Steel-MassTM Model 640S immersible thermal mass flow meter is designed for the toughest industrial gas flow measurement applications. Description

ChlorineTrak 760S Mass Flow Meter

The ChlorineTrakTM 760S has been specifically designed to perform as an accurate and cost-effective mass flow measurement solution for chlorine injection processes found in typical waste- water treatment applications. Description

FlatTrak 780S Mass Flow Meter

The FlatTrakTM Model 780S flow body eliminates velocity profile distortions, swirl and temperature stratifications in the gas stream and reduces the amount of upstream piping required for accurate flow measurement. Description

BoilerTrak 620S BT Mass Flow Meter

Sierra Instruments’ Boiler-TrakTM Immersible Thermal Mass Flow Meter provides an optimized solution for natural gas or propane flow measurement applications. Description