Televac - The Fredericks Company


The best tilt measurement and vacuum measurement products for your application

Televac has been a preferred supplier of high-performance vacuum measurement solutions to the vacuum furnace industry for more than 85 years. Our extensive line of sensors, active gauges, and controllers deliver world-class vacuum measurement for demanding application environments. Together, our products cover the entire practical vacuum range – from atmosphere to ultra-high vacuum (UHV). Talk to one of our engineers today about our 7B Penning magnetron cold cathode sensor, thermocouple sensors, convection sensors, and our MX200 vacuum controller with EthernetIP communications which interfaces directly with Rockwell Automation Allen-Bradley PLCs.

Our vacuum measurement tools are built for the toughest jobs and engineered specifically to perform in the most demanding applications and environments. Covering the entire practical vacuum range, our products deliver rapid response vacuum readings and superior sensitivity. We guarantee customer satisfaction and our "not too big, not too small" operation is what enables us to offer a true partnership experience that prioritizes uptime, lead time, and service.

Products and Services

Vacuum Measurement – Fredericks manufactures high-quality vacuum sensors, gauges and control instrumentation under the Televac brand. Our extensive line of vacuum measurement products features industry-leading cold-cathode technology, thermocouple gauges and precision-manufactured hot ionization gauges. Together, our products cover the entire practical vacuum range – from atmosphere to ultra-high vacuum (UHV).

ETI Hot Ionization Gauges – Also known as Bayard-Alpert gauges or Nude Ionization gauges, Fredericks ETI brand specializes in providing the most appropriate hot ionization gauge for your product requirements. These gauges are burn-out resistant, and are designed for a long lifespan.

Custom Filaments – The Fredericks Company offers complete, cost-effective design and manufacturing services for custom short-run or high-volume filaments and welded filament assemblies. Specializing in fine Iridium wire and ribbon forming and welding, we form as small as .003” diameter wire and .002” thick ribbon while meeting very tight dimensional tolerances.

Calibration and Repair Services – Calibration is a critical component of any company’s quality management system. More than ever, these systems are requiring traceability to standards that ensure performance within the stated accuracy requirements of the measurement systems. Televac’s calibration lab is available to perform vacuum calibrations traceable to NIST (National Institute of Standards and Technology). Standard electrical calibrations are also available. Our lab is equipped with traceable vacuum measurement systems enabling us to measure from 760 Torr to 1*10-7 Torr.

The engineering support you’ve been looking for

Even though timely customer service and expert product support should be essential for doing business, these days it seems to be the exception and not the rule. Getting the ongoing support you need is especially critical when you have a tricky engineering challenge to work through. At that point, you don’t just need a part – you need a partner.

About The Fredericks Company

At Fredericks, our heritage of support goes back more than 85 years, we are proud to be a Woman Owned Small Business (WOSB). We are ISO 9001:2015 certified and registered with the U.S. State Department as ITAR compliant.

All of our products are designed and manufactured at our facility in Huntingdon Valley, PA. We work side-by-side with OEM customers across the world in a wide range of markets and literally hundreds of applications. In that time, you could say we’ve learned a thing or two about angle measurement, vacuum measurement and advanced manufacturing techniques. Our team of designers and engineers can bring that experience to bear for you. We’ll develop high quality, cost-effective products and components that are critical to solving your most challenging OEM design problems. Yeah, we know…talk is cheap. So, we invite you to check us out. Kick the tires. We believe you’ll find the engineering partner you need at Fredericks.


A digital vacuum gauge, the MX7B Active Gauge utilizes the well-known Televac 7B Penning cold cathode gauge to provide robust, contamination resistant, repeatable, and accurate vacuum measurement from 10-3 to 10-8 Torr.


2400 Philmont Avenue
Huntingdon Valley, Pennsylvania 19006
United States of America

Fax: 215-947-7464

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