CVG101 Worker Bee™ Convection


CVG101 Worker Bee is InstruTech’s convection enhanced Pirani vacuum gauge sensor. The CVG101 requires an external controller such as InstruTech’s VGC301 or the B-RAX 3000 series to operate.

The pressure measurement range of the CVG101 is 1.00E-04 to 1,000 Torr.

CVG101 is available with various fittings including 1/8 in. NPT male, 1/2 in. O.D. Tube (O-ring compression), NW16KF, NW25KF, NW40KF, 1/4 in. Cajon 4VCR, 1/2 in. Cajon 8VCR,   1 1/3 in. Mini-Conflat and 2 3/4 in. Conflat.


  • Wide measurement range of 1.00E-04 to 1,000 Torr
  • A single vacuum gauge can monitor your vacuum system pumpdown and venting
  • Also a lower cost plug-compatible drop-in replacement gauge for Granville-Phillips® Convectron® gauges
  • Performance identical to existing Convectron gauges, except robust design withstands more shock and vibration, offering longer warranty
  • Significant savings for you – no changes to your system – use your existing Convectron controllers, cables, and modules
  • CE and RoHS compliant
  • Standard warranty of 2 years
CVG101 Worker Bee™ Convection VGC301 Controller with guage B-RAX 3200 - shown with gauges B-RAX 3300 - shown with gauges FlexRax controller with Guages

Trademark Acknowledgements listed in the CVG101 Data sheet.