is a Web Designer Service X-TRONIX | Vacuum Gauges
+41 (0)21 802 54 90


Cutting-edge Technology Since 1988


Vacuum Gauges

Discover our range of Vacuum Gauges

Our large selection of TERRANOVA Vacuum Gauge Controllers can address any pressure range from rough vacuum through to 10-11 Torr using various standard sensors. Modern digital electronics permit for local and remote operation.

Thermocouple Gauge  Dual Convection Gauge  921 Gauge  926 Gauge

xtronix is also a major supplier of generic vacuum gauges, with emphasis on Bayard-Alpert and Thermocouple sensors. 

We match an well over 90% of the world's B-A gauge supply. So there is over four out of five chance we can match the model you presently use. Just let us know the brand and part number used and we will quote an economical xtronix sensor head having the the same electrical characteristics, size and pin-outs. Buying an xtronix gauge also means you are buying a high quality product.


Bayard-Alpert Glass Ionization Gauges

Broadrange B-A Nude B-A on CF Nude UHV on CF ba gauge Glass B-A

  • Choice of twin Tungsten or Thoria-coated Iridium Filaments
  • Choice of Miniature, Wide Body & Broad Range
  • Choice of internal platinum shield or plain glass body
  • Choice of 0.75" or 1" Glass, Pyrex® or Kovar® tubulation
  • Choice of 25 KF, 40 KF or 35 CF flange on Kovar® tubulation


B-A glass gauges

Economical "drop in" 100% direct replacements for a good dozen brands!


UHV Nude Gauges

Filament: Twin tungsten or coated iridium. Filament voltage: 3.0 - 4.5 Volts (sensitivity setting 4 mA on grid).
Grid: Platinum-clad molybdenum (support and lateral turns). Degas: Electron bombardment at 30 to 40 watts.
Collector: Tungsten. Grid potential: +180 Volts.
2.3/4" CF flange (NW35 CF). Filament potential: +30 Volts.
Inserted length: 3". Collector potential: 0 Volts.
Bakeable to 450°C. Vacuum range: 10-3 -10-11 Torr.
Mountable in any position (best vertical).  


Analog & Digital Thermocouple Gauge Meters

XTM-101A Meter with XTX-531 TC Sensor
On stock, thermocouple replacement gauge heads and analog or digital panel instruments. We match replacement TC gauge heads for several brands.