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Flow Calibration & Repair Services

At the end of the day, we are only as good as our customers' level of satisfaction. 

Personal Touch

Sierra CEO, Matthew Olin explains, "We're a private, family-owned company and our beliefs influence the way we do business, from the top to the bottom. So, providing personalized and customized service is central to our culture. If we make a mistake, we admit it and get it right. We've worked hard to establish credibility with our customers, and it's paramount that we do everything we can to maintain it. The bottom line is that great service starts with you and making you happy is what we're all about."   Contact us.

Easy Online Management

To easily manage your units for repair and recalibration, submit your Return Materials Authorization (RMA) online. All you have to do is ship us the unit and we will send you automated status updates along the way for a fast-turnaround. You can even manage your service units through our My Units portal which shows all of your service units in one spot. With our automated service reminder program, we will send you recalibration reminders letting you know your unit is due for recalibration. For all these time-saving benefits, create or login to your Sierra Account today.

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Fast Turnaround

Service Team Service Team (funny)

"Being in this industry for over 40 years," explains Sierra CEO Matthew Olin, "we value the fact that our customers need it yesterday. When customers call us, we know the need is urgent. We put a high value on the urgency that's inherent in the flow calibration and repair industry. Everyone at Sierra works hard to turn things around quickly.  Our many global locations help us streamline logistics and route customers to the closest service center in North America, Europe or Asia.  We get service and repair work from competitors because the highest quality calibration just wasn't getting done.  We step in and get it done!" 

Factory Direct = Low Overhead

"We maintain a lean, very competitive operation that often runs 24-hours a day if necessary," explains Sierra CEO Matthew Olin. "This efficiency and productivity means competitive prices.  And because we are the manufacturer, we can give you timely responses to questions and draw from over 40 years of flow calibration and manufacturing expertise.  With factory-direct service, our team also has the resources to service your instrument quickly and without the hassle of dealing with a third party, thus maximizing your up-time," explains Olin.


Flow Metrology Laboratories, Primary Standard & NIST Certified

Since 1973, and in support of our global growth strategy, Sierra has steadily built up our calibration and repair capability following our philosophy that a flow device is only as good as its calibration.  And at the end of the day, we are only as good as our customers' level of satisfaction.  Today, we have calibration and repair centers of excellence on three continents (North America, Asia and Europe) supported by a network of over 150 flow experts spread across 50 countries. 

Global Autohorized Service Centers

We have Flow Centers of Excellence in USA, Holland and China with an additional five Authorized Service Centers located in Korea, Singapore, India, Brazil, and Mexico. View Global Authorized Service Centers. Our global capability includes over fifty flow calibration assets ranging from high temperature wind tunnels, closed loop gas calibration systems, primary standard piston provers and bell provers--all traceable to national standards laboratories such as NIST in accordance to Guide 25.

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