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NIST Traceable Digital Convection Vacuum Gauge & Controller with Power Supply - Up to 1E-4 Torr - EQ-CVM-211-P-LD

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Item Number: CVM211LD


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Zero Point Calibration*

The EQ-CVM-211 Stinger module provides the basic signal conditioning required to turn a convection vacuum gauge into a complete measuring instrument. A built-in display provides a convenient user interface for setup and operation of the vacuum gauge. Its platinum plated tungsten sensor wire can resist most of aggresive gases such as H2S, Ammonia, HCl, etc. 
This is a NEW Anti-corrosive version, available since Dec. 2013
Note2: Update to KF16 Interface from Nov.09 2015



  • Convection enhanced Pirani vacuum gauge module with on-board controller.
  • Wide measurement range 10-4 to 1000 Torr.
  • Bright LED digital display with measurement unit torr /mtorr
  • Includes built-in digital display, set-point relay, analog output.
  • Updated to KF-16 interface for Quick-Mount. 
  • 9 pins D connector and power supply adaptor is included
Input Voltage for Power Adaptor 110V~220V
Working Voltage for the Gauge 11 to 30 Vdc, protected against power reversal, transients, and over-voltages

1) log-linear 1 to 8 Vdc , 1V/decade, or
2) non-linear analog S-curve 0.375 to 5.659 Vdc (Helix/GP compatible)

Measurement Range (signal) 
This gauge is calibrated for direct readout of nitrogen or air. Do not attempt to use with other gases such as argon (Ar) or carbon dioxide (CO2) unless accurate conversion data (provided in the User Manual) for N2 to other gas is properly used.

3 digit LED (3 digits from 999 Torr to 10.0 mTorr),
(2 digit LED from 9.9 mTorr to 1.0 mTorr), (1 digit LED from 0.9 mTorr to 0.1 mTorr)

Materials Exposed to Gases

Platinum-iridium alloy

Operating Temperature

0 to +40ºC

Digital Vacuum Gauge Dimensions
  • CE certified
  • Traceable to NIST standards in accordance with ISO/IEC 17025
Fitting Connection 
(Please click pic to order)
  • Quick Clamp with Rubber O-Ring for KF-D16 Vacuum adaptor
  • M14 / 1/4 BSPP Male to KF-16 Adapter
  • The vacuum gauge & controller can be connected with MTI flange easily.  ( click Picture -left to see details), and click picture below -middle to choose a MTI vacuum flange
  • Please click picture below-right  to order a complete control system for a processing tube
           Stainless Steel Sealing Flange Assembly for 1"-11" Processing Tubes         

Applicaton Notes
  • One 12V 500mA Dc power  and RS232 connector ( 9 pin D connector)  is included and ready to use
  • You must calibrate "Zero Point" under 10-4 Torr before measuring vacuum system from 10-4 - 10-3 Torr, otherwise, the gauge may not display accurately in that range. For detailed calibration procedure, please refer to the operation manual below.
  • MTI can help customer finish the "Zero Point" calibration before shipping upon customer's special request at extra $100.
  • Anti-corrosive version gauge can be used for aggressive gases such as Hydrogen sulfide, ammonia, etc.         
  • Please consider using the EQ-PGC-554-LD Anti-Corrosive Capacitance Diaphragm Gauge (click picture below for more details) to eliminate the hassle of factoring gas type dependency into the pressure reading output. This GREATLY REDUCES the risks of explosions in tube vessels or other chambers due to incorrect display of pressure AND/OR negligence of adjustment for gas types.
Operation Manual
Weight 136 g  (4.8 oz)

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