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Premium Digital Gas Mass Flow Meters & Controllers

Configure a Mass Flow Meters & Controllers (Model 100)
Mass Flow Meters & Controllers (Model 100)
Mass Flow Meters & Controllers (Model 100)

Digital high performance gas mass flow of air or other gases; large optional push-button display interface; stainless steel construction; Dial-A-Gas Technology; accuracy of +/- 1% of full scale; flow ranges from 0 to 15 sccm to 0 to 1000 slpm (nlpm); compact footprint. CE approved. Learn more...

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Configure a Mass Flow Meters & Controllers (Model 50)
Mass Flow Meters & Controllers (Model 50)
Mass Flow Meters & Controllers (Model 50)

Accuracy of +/-1.0% of full scale; flow ranges from 0-10 sccm up to 200 slpm (nlpm) in one compact footprint; excellent choice for OEM/economical digital gas mass flow control of air and other gases; large optional LCD display readout; choice of stainless steel or aluminum construction. CE approval. Learn more...

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Economical/OEM Line of Mass Flow Meters & Controllers

Configure a Model 810C Mass Flow Controller
Model 810C Mass Flow Controller
Model 810C Mass Flow Controller

Gas mass flow controller for air or other inert gases; analog output signal; nylon and stainless steel construction; large LCD display readout; accuracy +/- 1.5% of full scale; flow ranges from 0 to 10 sccm to 0 to 50 slpm (nlpm). CE approved. Learn more...

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Configure a Mass Flow Meter (Model 822 & Model 824)
Mass Flow Meter (Model 822 & Model 824)
Mass Flow Meter (Model 822 & Model 824)

Gas mass flow measurement for air or other inert gases; analog output signal; nylon and stainless steel construction; large tiltable LCD display readout; accuracy +/- 1.5% of full scale; flow ranges from 0 to 10 sccm to 0 to 50 slpm (nlpm). CE approved. Learn more...

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Light Industrial Thermal Mass Flow

Configure a BoilerTrak™ 620BT Smart Insertion Gas Flow Meter
BoilerTrak™ 620BT Smart Insertion Gas Flow Meter
BoilerTrak™ 620BT Smart Insertion Gas Flow Meter

BoilerTrak™620BT is designed to provide an economical and easy to install solution for natural gas measurement. In stock products, which ship next day, are available for flow ranges from 0 to 42,000 scfh of natural gas for 1-inch, 2-inch, 3-inch, 4-inch schedule 40 pipe sizes. CE approved. Learn More...

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Configure a FastFlo™ 620S NEMA 4X (IP65) Insertion Mass Flow Meter
FastFlo™ 620S NEMA 4X (IP65) Insertion Mass Flow Meter
FastFlo™ 620S NEMA 4X (IP65) Insertion Mass Flow Meter

The FastFlo™620S insertion mass flow meter measures air, nitrogen or any other inert gas with a highly reliable 200 msec fast time-response. In stock products,which ship next day, are available for flow ranges from 0 to 1700 scfm of air for 1-inch, 2-inch, 3-inch, 4-inch schedule 40 pipe sizes. Accuracy is ± 1% of full scale, 0.2% of full scale repeatability, and the flow range goes up to 20,000 sfpm. CE approved. Learn More...

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Transit-Time Ultrasonic Liquid Flow Meters

Configure a  Economical Ultrasonic Flow Meter (Model 203)
 Economical Ultrasonic Flow Meter (Model 203)
Economical Ultrasonic Flow Meter (Model 203)

Sierra's new Innova-Sonic® 203 ultrasonic flow meter delivers highly accurate and repeatable flow measurement for water at a significantly reduced cost. Ideal for pipes up to 48 inches (1200 mm) in diameter with +/-1.0% of reading from 1.6 to 40 ft./s (0.49 m/s to 12 m/s), repeatability of +/-0.3% of reading and a temperature range of 32°F to 140°F (0°C to 60°C); ABS/PC enclosure; RS-232 is standard. Learn more...

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Configure a High Performance Ultrasonic Flow Meter (Model 205i)
High Performance Ultrasonic Flow Meter (Model 205i)
High Performance Ultrasonic Flow Meter (Model 205i)

The Innova-Sonic® 205i is Sierra’s highest performing dedicated clamp-on instrument with the latest developments in digital signal processing to offer excellent accuracy and repeatability for a wide variety of liquids. An easy to read display and clear, user-friendly menu selections with an accuracy of +/- 0.5% of reading from 1.6 to 40 ft./s (0.49 m/s to 12 m/s); pipe sizes from 1-200 inches (25mm to 5000mm); a die cast NEMA 4X (IP65) housing. Learn more...

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Configure a Portable Ultrasonic Flow Meter (Model 210i)
Portable Ultrasonic Flow Meter (Model 210i)
Portable Ultrasonic Flow Meter (Model 210i)

Sierra's next generation InnovaSonic® 210i portable clamp-on ultrasonic flow meter is ideal for precisely measuring a wide range of liquid flows and temperatures. This universal transit-time meter features a pushbutton interface with a large digital display with accuracy +/- 1.0% of reading from 1.6 to 40 ft./s (0.49 m/s to 12 m/s). Use one set of transducers for a wide range of pipe sizes from 1.0 inch to 48 inches (25mm to 1200mm). Learn more...



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Configure a Portable Ultrasonic Flow Meter with Android Tablet (Model 210)
Portable Ultrasonic Flow Meter with Android Tablet (Model 210)
Portable Ultrasonic Flow Meter with Android Tablet (Model 210)


The InnovaSonic® 210 portable, clamp-on with Bluetooth Android tablet PC offers expanded functionality, customer flexibility, increased accuracy. It includes transducers for pipes 1 inch to 200 inches (25 mm to 5000 mm) and a complete Bluetooth-enabled Android tablet PC to run the flow meter remotely via our Sierra 210 wireless application. This universal transit time meter features a flow range 1.6 to 40 ft./s (0.49 m/s to 12 m/s); accuracy +/- 0.5% of reading from 1.6 to 40 ft./s (0.49 m/s to 12 m/s); 1 GB SD memory card for easy data logging. Learn more...


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Gas Flow Calibration Systems

Configure a CalTrak 300 Gas Volume Calibrator
CalTrak 300 Gas Volume Calibrator
CalTrak 300 Gas Volume Calibrator

Accuracy of +/-1.0% of reading volumetric flow rate; Portable, economical calibrator for industrial hygiene & health markets; Flow ranges 5 ccm to 30,000 ccm (30 L/min). Learn More...

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Configure a CalTrak 350 Gas Mass Flow Calibrator
CalTrak 350 Gas Mass Flow Calibrator
CalTrak 350 Gas Mass Flow Calibrator

Accuracy of +/-1.0% of reading mass flow rate; Portable, economical calibrator for quality control in manufacturing of industrial and environmental equipment; Flow ranges from 5 sccm up to 30 slpm. Learn More...

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Heavy Industrial Flow & Level Switches

Configure a InnovaSwitch™ Gas and Liquid Flow Switch
InnovaSwitch™ Gas and Liquid Flow Switch
InnovaSwitch™ Gas and Liquid Flow Switch
Switches on a flow/no flow condition for both gases and liquids. Flow Switch range of 0.01 to 5 sfps (.003 to 1.524 smps) in liquids and 0.1 to 500 sfps (.03 to 152.4 smps) gases. Wide operating temperature range of -100F to +390F (-70C to 200C) CE, CENELEC and CSA approvals. Learn More...

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Configure a InnovaSwitch™ Level Switch for Liquids
InnovaSwitch™ Level Switch for Liquids
InnovaSwitch™ Level Switch for Liquids

Indicates liquid level in tanks and process vessels. Switches on level change of 0.03 inch (.08 cm) (dry to wet and wet to dry) Wide operating temperature range of -100F to +390F (-70C to 200C). CE, CENELEC and CSA approvals.
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Steam Flow Measurement

Configure a Insertion Volumetric Vortex Flow Meters (Model 241 VT)
Insertion Volumetric Vortex Flow Meters (Model 241 VT)
Insertion Volumetric Vortex Flow Meters (Model 241 VT)

The 241 VT is an insertion vortex meter which measures volumetric flow rate as well as temperature of liquid, steam, or gas flows in any pipe size from 2 inches to 78 inches (.05 m to 1.98 m) Learn more...

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Configure a Insertion Multivariable Mass Vortex Flow Meters (Model 241 VTP)
Insertion Multivariable Mass Vortex Flow Meters (Model 241 VTP)
Insertion Multivariable Mass Vortex Flow Meters (Model 241 VTP)

The 241 VTP is a multivariable insertion mass vortex meter which measures mass flow rate, temperature, pressure, volumetric flow rate, and fluid density of liquid, steam, or gas in any pipe size from 2 inches to 78 inches (.05 m to 1.98 m). Learn more...

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* 10% discount good for online, in-stock units only. Offer expires 4/15/14. Custom configured products are at list price. Use coupon code provided at checkout.