Fredericks Company - Televac - Custom-designed Wire Filaments by TELEVAC

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)

Fredericks Company - Televac - Proportional Linear Sensor by Fredericks Company

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)

Fredericks Company - Televac - Dual Axis Programmable Tilt Switch 0729-1736-99

The Fredericks - Dual axis tilt switch 0729-1736-99 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. (read more)

Fredericks Company - Televac - Fredericks expands line of Dual Axis Inclinometers


Fredericks Company - Televac - CC-10 Compact Gauge and Controller by TELEVAC

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)

Fredericks Company - Televac - New MX2A Active Thermocouple Gauge

Televac Expands MX Series Active Gauge Line with Addition of New MX2A Active Thermocouple Gauge (read more)

Fredericks Company - Televac - TELEVAC Product Selection Guide

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.

TELEVAC offers a diverse range of vacuum measurement instrumentation equipment incl... (read more)

Fredericks Company - Televac - Fredericks Company Tilt Sensors & Electronics

Fredericks' comprehensive product lineup includes TrueTilt™ electrolytic tilt/inclination sensors & switches, signal conditioning boards, inclinometers/tilt instrumentation, ON/OFF and tilt switches, MEMS inclinometer and the V-PRO vehicle predictive rollover system covering a range of measurement solutions from arc seconds to 180°.

Fredericks Company is the leading... (read more)

Fredericks Company - Televac - TELEVAC Remote Convection Active Vacuum Gauge

The MP4AR provides a compact stand-alone measurement solution for applications that do not require traditional panel-mounted instrument readouts. These modules can provide local readout, relay control, and analog output for data acquisition or computer control systems. The patented 4A convection sensor provides high stability and fast response. It measures a wide vacuum range with repeat... (read more)

Fredericks Company - Televac - Fredericks 0729-1755-99 Analog Inclinometer

The 0729-1755-99 analog inclinometer utilizes a Fredericks TrueTilt™ wide range electrolytic tilt sensor and analog signal conditioner. Its robust plastic housing and epoxy potting provide excellent durability and environmental protection. This inclinometer has superior tolerances and unit to unit performance. Its low profile housing and economic design make it an ideal solution fo... (read more)

Fredericks Company - Televac - TELEVAC 7B2 Penning Cold Cathode Sensor

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)

Fredericks Company - Televac - TELEVAC Hot Cathode Nude Ionization Gauge ETI 8130

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. (read more)

Fredericks Company - Televac - TELEVAC model 7FCS Vacuum Sensor

The Televac model 7FCS is specially designed for applications where power interruption is expected at ultra high vacuum. If your application requires turn on in the 10-8 Torr range or higher, turn on will occur in less than 5 seconds, 10 times faster than standard cold cathodes. The 7FCS employs patented Double Inverted Magnetron sensor technology combined with a thermionic ig... (read more)

Fredericks Company - Televac - VacuGuard Portable Control & Display Unit

The VacuGuard is a small, self-contained instrument, designed to power and read Televac 2A series or competitor compatible DV4 and DV6 series thermocouple sensors. The VacuGuard is powered by a 1.5V ‘D’ cell and will accept either single use or rechargeable ‘D’ cells. Front panel controls consist of a toggle power switch and a three position sensor select switch.... (read more)

Fredericks Company - Televac - Patented Thin Film Sensor by Fredericks Company

The 0737-1203-99 “THIN FLIM” sensor is designed for applications requiring highly repeatable 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 0737-1203-99 uses patented “Thin Film” technology and construction to provide an accurate and robust angle sensor a... (read more)

Fredericks Company - Televac - TELEVAC ETI 8136 Bayard-Alpert Gauge

The ETI 8136 is a broad range Bayard-Alpert gauge. The special fabricated gauge elements and burn-out resistant, thoria-coated iridium filament enable this gauge to operate up to 1 x 10-1 Torr. This gauge is likewise available in a long-life version that is position independent.

Physical Data

  • Connection: 3/4", 1" Pyrex® or Nonex® Glass...
(read more)
Fredericks Company - Televac - Press Stem Sealing by Fredericks Company

Press stem sealing requires the specialized glass techniques and equipment which Fredericks has developed over the decades. These stem assemblies consist of a glass wafer containing a series of hermetically sealed leads and, where required, a glass tubulation. The metal leads provide electrical feedthrough for evacuated tubes and assemblies. A tubulation permits easy attachment to a vacu... (read more)

Fredericks Company - Televac - Piezo Diaphragm Vacuum Sensors by TELEVAC

Piezo Diaphragm Vacuum Sensors Provide a Wide Range of Measurement and Fast Response Time at a Fraction of the Cost of Capacitance Diaphragm Gauges (read more)

Fredericks Company - Televac - Fredericks Company Dual Axis Inclinometer


Fredericks Company - Televac - MX4A Convection Active Vacuum Gauge

TELEVAC's 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... (read more)

Fredericks Company - Televac - Single Axis Programmable Tilt Switch 0729-1758-99

The Fredericks Company manufacturers programmable ON/OFF switches for users requiring an output that switches at a specific angle trip point. These all-electronic switches contain no moving parts to wear out and can be easily configured to switch at wide range of trip angles at our factory or your facility.

Applications include:

  • Tip-Over Switches<.../li>
(read more)
Fredericks Company - Televac - Mini Signal Conditioner Boards from Fredericks

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. (read more)

Fredericks Company - Televac - Wide range of Ampule configurations by Fredericks

Specialized glass forming techniques allow Fredericks to provide a wide range of ampule configurations, sizes, and shapes. We will custom form your ampules to close tolerances using a variety of glass sizes and glass types. (read more)

Fredericks Company - Televac - Single Axis Programmable Tilt Switch 0729-1757-99

The Fredericks Company manufacturers programmable ON/OFF switches for users requiring an output that switches at a specific angle trip point. These all-electronic switches contain no moving parts to wear out and can be easily configured to switch at wide range of trip angles at our factory or your facility.

Applications include:

  • Tip-Over Switches<.../li>
(read more)