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, B-RAX 3000 series or the FlexRax 4000  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
  • Typical lead times of 5 to 7 days
  • Standard warranty of 2 years

CVG101 Frequently Asked Questions - FAQ
InstruTech RoHS Compliance Document

Compatible Controllers:


B-RAX 3000 Series

FlexRax 4000

Trademark Acknowledgements listed in the CVG101 Data sheet.

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