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Pfeiffer Vacuum Vacuum Measurement Pfeiffer Vacuum Inc. -
- 24 Trafalgar Square, Nashua NH 03063-1988, USA

email:, Tel. +1 (800) 248-8254

Pfeiffer Vacuum is a vacuum technology world leader for more than 130 years: an important milestone was the invention of the turbopump in our company more than 50 years ago. Our comprehensive range of solutions, products and services includes vacuum pumps, measurement and analysis equipment, up to complex vacuum systems.
products: Vacuum Measurement

Many vacuum applications operate only in a specific pressure range. Analog and digital total vacuum or pressure measurement instruments are employed to measure and control the total pressure in a vacuum system.

Pfeiffer Vacuum offers you three different lines of total pressure gauges:
  • ActiveLine: Total pressure measurement with analog signal output
  • DigiLine™: Total pressure measurement with digital signal output
  • ModulLine: for applications in research & development

Agilent Pirani Bayard-Alpert Gauge Agilent Technologies, former Varian Vacuum -
- 121 Hartwell Avenue, Lexington, MA 02421, USA

email, Tel.
products: FRG-730 Pirani Bayard-Alpert Gauge
  • The FRG-720 and FRG-730 combine Agilent's Pirani and Bayard-Alpert sensor into a single compact design hat provides measuring capability from 5 x 10-10 mbar to atmosphere (3.8 x 10-10 Torr to atmosphere).
  • Combining these two technologies into a single unit reduces complexity and integration challenges while protecting the Bayard-Alpert sensor from premature burnout.

- 1100 Cassatt Rd, Berwyn, PA 19312, USA

email, Tel.

US Gauge and PMT are part of the AMETEK Sensors, Test & Calibration (STC) Division, which is one of the world’s leading manufacturers and developers of precision pressure, temperature, and electrical solutions for a wide range of industries and applications.
products: vacuum gauges
  • AMETEK U.S. Gauge is one of the world's leading suppliers of high quality, competitively priced pressure gauges, diaphragm seals, temperature gauges and thermowell fittings. Founded in 1904, US Gauge's product offering started as a bourdon tube pressure gauge, but has expanded over the years to the products noted above. The product line includes a wide range of gauges, from vacuum pressure to a 23,000 psi gauge pressure device, in single or dual scale dials. Gauge sizes range from 1-1/2 inches to 6 inches, with brass, 316 stainless steel, or Monel internals.
  • AMETEK PMT: PMT Products was founded in the 1960’s, and has been developing a variety of pressure transducers and transmitters over the years, ranging from low cost general industrial units to Intrinsically Safe, or Explosion Proof, units for hazardous locations. Transducers and transmitters are available in vacuum pressure, gauge pressure, absolute pressure, and compound gauge pressure.

Dwyer Instruments Dwyer Instruments, Inc. -
- 102 Indiana Hwy. 212, Michigan City, IN 46360, USA

email, Tel.

products: Handheld Digital Manometer

The Popular Series 477 is now available with 0.1% full scale accuracy in the new Series 477A. The 477A contains a highly accurate differential pressure sensor that offers a 0.1% full scale accuracy on air ranges from 20" w.c. to 100 psid. Series 477A Handheld Digital Manometers are packed with features needed to make pressure measurements and recording faster, easier and more accurate than ever. Instantly select from up to nine of the most widely used pressure units without having to waste time and risk mistakes with tedious conversions. A non-volatile memory function enables storage of up to 40 readings - perfect for HVAC technicians making Pitot tube traverses of air flow readings across a duct. The 477A is also ideal for maintenance personnel or technicians that require a highly accurate standard to check their instrumentation or equipment to ensure proper performance.

Digivac Digivac -
- 105 Church Street, Unit B, Matawan, NJ 07747, USA

email, Tel.

A Family Owned Vacuum Instrumentation Business Delivering Innovations for 30 Years
products: vacuum gauges and controllers

We have been shipping DigiVac digital vacuum gauges and controllers since 1983, and have designed many custom vacuum gauge solutions for our clients.

In addition to our core vacuum gauge instrumentation business, DigiVac developed OEM designs are shipped in quantities that range from 5 to 1000 per month.

Fil-Tech Fil-Tech, Inc. -
- 6 Pinckney Street, Boston, MA 02114, USA

Paula L. Becker, email, Tel.
products: Vacuum Measurement Gauges

Convection Gauges and Modules: We supply convection gauges that are drop in replacements for MKS, Axcelis, Applied, and other OEM gauges in a variety of fittings including 1/8” NPT, NW16KF, NW25KF, and others. Our convection gauges are plug compatible and drop in replacements with guaranteed identical performance to the OEM products.

Ionization Gauge Tubes: We have a variety of Bayard-Alpert, Broad Range, and Triode style glass enveloped ionization gauges that are identical to the AMAT, Axcelis, Novellus, Agilent, and MKS gauges. Our ionization gauges are available in single iridium or twin tungsten filaments and in 1”, ¾”, and .709” Pyrex glass or Kovar tubulation with optional flanges for Kovar tabulated gauges or with conductive platinum coating.

Nude Ionization Gauge Tubes and Filaments & Rebuilds: We offer a wide range of nude gauges in UHV nude and Bayard-Alpert nude styles that will replace gauges from Agilent, MKS, Axcelis and others. We also supply nude flanged gauges with protected pins. Replacement filaments for all nude gauges are also available and we can rebuild your nude gauges.

Thermocouple Gauge Tubes and Controllers: We have numerous styles of thermocouple gauges available that are drop in replacements for the Hastings, Agilent, Axcelis, AMAT, Novellus, MKS and other OEM gauges. Our thermocouple replacement gauges are available in the standard 1/8” NPT, or with VCR, KF16 or KF25 fittings. Fil-Tech also supplies analog thermocouple controllers for our TC531 and TC6M gauges.

INFICON vacuum gauges INFICON -
- Two Technology Place, East Syracuse, NY 13057-9714, USA

email, Tel.

Employees: 700, Manufacturing Facilities: Syracuse, New York; Balzers, Liechtenstein; Cologne, Germany; Aaland Islands, Finland
INFICON is a leading developer, manufacturer and supplier of vacuum instrumentation, critical sensor technologies and process control software, with an emphasis on process engineering expertise, for the semiconductor and related industries. These analysis, measurement and control products are vital to original equipment manufacturers (OEMs) and end-users in the complex manufacturing of semiconductors, flat panel displays, magnetic and optical storage media and precision optics. INFICON also provides essential instrumentation for gas leak detection and toxic chemical analysis to the air conditioning/refrigeration, emergency response and industrial hygiene markets. In addition, INFICON sells to vacuum pump manufacturers who act as distributors to small and medium-size customers in diverse markets.
products: vacuum gauges
  • INFICON vacuum gauges offer superior accuracy and reliability in compact designs. Combining multiple technologies in a single controller for total pressure measurement and control of vacuum processes.
  • INFICON ceramic capacitance diaphragm gauges (CDG) outperform all metal-diaphragm CDGs in temperature and mechanical stability, zero drift, accuracy, repeatability, and corrosion resistance. Innovating beyond conventional technology, INFICON ceramic capacitance diaphragm gauges use an ultrapure aluminum oxide ceramic diaphragm, replacing traditional metal disphragms, for vacuum measurements of superior accuracy and repeatability.
  • INFICON gas-type-independent Pirani Capacitance Diaphragm combines patented dual Pirani sensors and gas-type-independent ceramic capacitance diaphragm technology in a money-saving, space-saving gauge.
  • INFICON Bayard Alpert Capacitance Diaphragm Gauge measures 13 decades using one compact gauge, one connection, one sensor cable and one A/D converter, dramatically reducing complexity and cost.

InstruTech, Convection Vacuum Gauge Module InstruTech, Inc. -
- 1401 Ken Pratt Blvd., Longmont, CO 80501, USA

email, Tel.

We are a Colorado, USA based company specializing in the design and manufacture of vacuum measurement and control instrumentation.
products: vacuum gauges

InstruTech's vacuum gauges utilize the most recent advances in vacuum gauge designs offering measurement capabilities from 2.00E-11 Torr to 1,000 Torr.
Our product portfolio of vacuum gauges and vacuum gauge controllers includes convection enhanced pirani, hot cathode Bayard-Alpert ionization, cold cathode ionization, capacitance diaphragm gauges and vacuum switches.

SETRA Pressure transducers Setra Systems, Inc. -
- 159 Swanson Road, Boxborough, MA 01719-1304, USA

email, Tel.
products: vacuum gauges
  • Heated vacuum pressure transducer
  • Ultra-high-purity capacitance vacuum gauge
  • Applications: Semiconductor, Absorption Chillers, Lasers, Autoclaves, Vacuum Packaging, Freeze Drying,Vacuum Distillation

Teledyne Hastings vacuum gauge Teledyne Hastings Instruments -
- 804 Newcombe Ave, Hampton, VA 23669, USA

email, Tel.

Teledyne Hastings Instruments is a trusted manufacturer of a wide range of quality Vacuum Instruments and Gas Mass Flow Instruments . Our vacuum product line includes the original DV-4 and DV-6 thermocouple gauge tubes, along with other vacuum sensors used in combination with meters and controllers that cover a wide range of vacuum pressure from atmosphere to ultra high vacuum. The gas mass flow line of meters and controllers cover a broad range of flow rates from 5 sccm to 15,000 slm that includes a variety of flexible options for outputs, calibration, and fittings.
products: vacuum gauges

Ionization Gauge Tubes and Electronics

TELEVAC vacuum gauge The Fredericks Company, former Televac/ETI -
- 2400 Philmont Avenue, Huntingdon Valley, PA 19006, USA

email, Tel.

Televac provides high-quality vacuum gauges and instrumentation covering the entire practical vacuum range. From 10+3 down to 10-11 Torr, Televac offers accurate, repeatable gauges to meet your vacuum applications. Moreover, Televac is constantly developing innovative new gauges to widen the effective range of measurement and control. Turn to Televac first for state-of-the-art vacuum instrumentation backed by superb RD, and dedicated support and service.
products: vacuum gauges

Fredericks’ TELEVAC® and ETI vacuum brands offer patented convection and double inverted magnetron cold cathodes, thermocouple and diaphragm sensors, Penning cold cathodes, Bayard-Alpert glass and nude hot ionization gauges, filaments and components, and all metal miniature Bayard-Alpert gauges covering the entire practical measurement range from Atmosphere (10+3) down to UHV (10-11) Torr.

High Vacuum Gauges and Controllers Vacuum Research Ltd. -
- 2419 Smallman Street, Pittsburgh, PA 15222, USA

email, Tel.

Vacuum equipment manufacturing and distribution worldwide.
products: High Vacuum Gauges and Controllers
  • Vacuum Research manufactures Pirani, thermocouple, diaphragm, and convection high vacuum instruments from 10-5 Torr to 1500 Torr, 10-3 to 2000 mbar, 10-3 to 105 Pa.
  • These compact vacuum measurement and control instruments offer the precision and high resolution of digital electronics at the same price as analog instruments.
  • Indicators feature large easy-to-read green LED displays. Controllers operate two control relays with set point values adjustable from the front panel and displayed on the meter.


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