Fredericks Company - Televac
The Fredericks Company has a variety of electronics products based on our industry leading tilt sensors. These high-accuracy, microprocessor based electronics can range from printed circuit assemblies to fully integrated packages, as well as remotely mounted sensors and assemblies.
Our dual axis electronics are highly configurable and provide the user with an output signal proport... (read more)
The MP3DR is a miniature Bayard-Alpert high vacuum sensor and integral control electronics in a compact envelope. It is designed to be closely coupled to the user’s vacuum system and to provide a local pressure indication and/or digital interface to a computer control system. The MP3DR derives its performance strength from Televac’s cutting edge miniature Bayard-Alpert ioniza... (read more)
Fredericks Programmable Tilt Switch is a combination Microprocessor based electronics and TrueTiltTM dual axis tilt sensor in a compact, high-impact plastic case. This design provides the user with a non-mercury, field settable switch solution for many applications. The assembly can be easily custom configured for a wide variety of angle range trip points. It avoids the wide hysterisis e... (read more)
Fredericks Company Single Axis, Linear Output, Electrolytic Tilt Sensor
The 0737-0101-99 Sensor has been used successfully in applications that demand ultra high accuracy, excellent null repeatability, mid-range angle measurement and a linear output. Long-term stability over its angle and temperature range is a distinctive characteristic of this sensor. The hermetic glass-t... (read more)
The VacuMini is a commercial version of Televac’s highly successful NASA 2A sensor. VacuMini uses the same principle of operation as all Televac type 2A thermocouple sensors. It is roughly half the size and volume of traditional vacuum thermocouple sensors. A machined 304 stainless body is designed with 1/8” NPT connection threads and integral wrench flats for ease of install... (read more)
Fredericks Company 0711-0744-99 Sensor has been used successfully in applications that demand a high accuracy for small angle ranges and excellent null repeatability. The sensor offers excellent stability over time and a wide range of temperatures. The hermetic glass-to-metal construction and solid platinum electrodes guarantee a long operating life and stable operating characteristics. (read more)
TELEVAC's MV2A Controller is a single-channel vacuum measurement and control instrument that employs the Televac 2A vacuum sensor. It features bright, highly readable LEDs, two set point control relays, and a 0-5V linear output. This compact controller is accurate, versatile, and easy to use.
- Digital Thermocouple Vacuum Instrument (1-20,000 Microns)
- Large, br...
For tilt applications where a visual indication or measurement is required, Fredericks ball bank indicators are ideal. A ball bank indicators are comprised of a glass tube, bent to a specific radius, which determines its angular range. A ball is inserted in the tube, then the tube is filled with a clear, wide-temperature-range fluid and hermetically sealed. Decals and paint are applied b... (read more)
These production ready mini signal conditioner series from The Fredericks Company are microprocessor-based printed circuit boards capable of driving one or two electrolytic tilt sensors. The boards can be provided with a built-in wide-range, dual axis tilt sensor or can be operated with up to two external sensors. The signal conditioners can be configured for single axis, dual axis (X an... (read more)
The MP7ER provides an ideal compact, stand-alone measurement solution. This module can provide local readout, relay control, and analog output for data acquisition or computer control systems. The MP7ER uses the patented 7E double-inverted magnetron, which provides a superior method of high and ultra-high vacuum measurement.
- Cold Cathode Active Vacuum Gauge
The MX4A Active Gauge utilizes an easily replaceable Televac 4A convection vacuum sensor. It has a variety of features including a wide range of measurement from 1 x 10-4 up to 1000 Torr, RS-485 communications, two programmable set points, and a selectable analog output. The bright OLED display makes it easy to read from a distance, even without a PC.
Options can be set... (read more)
These production ready mini signal conditioner series from The Fredericks Company are microprocessor-based printed circuit boards capable of driving one or two electrolytic tilt sensors. The boards can be provided with a built-in wide-range, dual axis tilt sensor or can be operated with up to two external sensors.
The signal conditioners can be configured for single axis, dual axi... (read more)
Televac/ETI, a leading ISO9001 manufacturer of UHV measurement sensors, filaments, glass-to-metal seals and feedthroughs, has announced availability of custom-designed ribbon and wire filaments and completed assemblies in short run quantities.
Fabricated from tungsten, rhenium, or iridium, the filaments are available in straight, hairpin, “V” shape, spiral or special c... (read more)
This economical, portable gauge is ideal for field applications. It is lightweight, compact, and easy to operate. Solidly built and rechargeable, the B2A-1-BAT offers excellent accuracy and versatility. Controls are front-panel mounted for direct access. Simply lift the flap of the carrying case, apply the sensor, and use. This reliable vacuum gauge offers unmatched flexibility and accur... (read more)
Specialty Tilt Sensor 0726 Series Mid-Range Toroidal
This gravity-sensing toroidal tilt sensor is designed for minimum sensitivity to vibration. The specific design can be modified to change resonant frequency for specific applications.
Fredericks Company is the leading ISO9001-2008 designer and manufacturer of precision tilt sensors, vacuum measurement device... (read more)
The CC-10 is a self-contained compact gauge and controller designed to replace multiple conventional vacuum gauges by incorporating the latest sensor technology to permit seamless measurement of twelve decades of pressure. This gauge uses dual sensor technology. Rough vacuum, from atmospheric pressure to 10-2 Torr is measured using a crystal sensor, while pressure from 10-2 Torr to 1 x 1... (read more)
The 7B cold cathode is a penning-type sensor. In this configuration the anode is placed midway between two parallel-connected cathodes. The anode is a loop of metal wire whose plane is parallel to that of the cathodes. A potential difference of a few kilovolts is maintained between the anode and the cathodes. In addition, a magnetic field is applied between the cathodes by a permanent ma... (read more)
The ETI Nude Ionization Gauge is a high-sensitivity gauge covering the vacuum range of 1 x 10-3 to 2 x 10-11 Torr (Argon). This tube features replaceable filaments, dual Tungsten or single iridium, and a small diameter-cage tantalum grid on platinum-clad, molybdenum support rods. A .005" - diameter collector is used. This results in a low X-ray limit, sensitive tube... (read more)
Televac is a leading company whose only business is producing products for vacuum measurement and control. Our single minded focus enables us to better serve our markets and customers than our competitors. In an age when customers often feel their needs come last, Televac remembers who we work for. (read more)
The Fredericks - Dual axis tilt switch has been designed with the ability to be pre-programmed via an RS232 link to be adaptable for many applications. These features can be preset by the factory to customer specifications or by the end product user. With one basic model all features can be preset such as - set trip angles, set zero position, set trip delay (on and off), set polarity of... (read more)
Televac Expands MX Series Active Vacuum Gauge Line with Addition of New MX2A Active Thermocouple Gauge
Televac, an industry-leading ISO9001:2008 US-based manufacturer of vacuum measurement and control products, has announced availability of their new MX2A Active Thermocouple Gauge.
An expansion of their MX Series Gauge Line, the new MX2A features an expanded w... (read more)