CDM900 Micro Bee™ Capacitance Diaphragm Gauge



CDM900 Micro Bee is InstruTech’s capacitance diaphragm vacuum gauge with a ceramic sensor. The CDM900 is a temperature compensated capacitance diaphragm vacuum gauge which provides highly accurate pressure measurements with full scale ranges from 10 Torr to 1,000 Torr.

CDM900 is available with various fittings including 1/2 in. tube (O-ring compression), NW16KF, NW25KF, 1 1/3 in. Mini-Conflat, 4VCR, and 8VCR.


  • Various full scale ranges from 10 Torr to 1,000 Torr
  • Models with 0.5% and 1% of reading accuracy
  • Cost effective elegant design
  • Gas type independent pressure measurement
  • No span adjustment required
  • No zero adjustment required in clean applications
  • 0 to 10 Vdc linear analog output
  • CE and RoHS compliant
  • Standard warranty of 2 years

Note: CDM900 does not require a controller to operate. It provides an analog output signal that can be directly interfaced with user’s control system. You may consider using the AGC302 controller for panel or rack mount display installation and/or when setpoint relays and serial communications is required