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Automatic Pressure Controller with Dual Solenoid Valves and Gauge, 1E-4 - 1E3 Torr, 1/4 NPT(F) - EQ-KJF-2V-UL


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Item Number: EQ-KJF-2V-UL

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Zero Point Calibration*
KJF-2V-UL automatic pressure control system is designed for applications that need controlling constant pressure in the colsed system with the in-line flow such as Vacuum Tube Furnaces. The Compact Digital Vacuum Gauge provides an RS-232 analog output of the pressure signal to pressure control unit which directly controls those two solenoid valves (a feed valve and an exhaust valve). 

SPECIFICATIONS 
Complete Package includes

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.
Working voltage AC 110~220V



Typical Operation Procedures for Controlling the Pressure of Tube Furnace 
  • Install feed valve (inlet) on one end of tube flange, then connect it with gas supply cylinder.
  • Install exhaust valve (outlet) on the other end of tube flange, then connect it to vacuum pump or gas recovery system
  • Install digital pressure gauge & controller on the tube flange
  • Well connect the Pressure Gauge and two Solenoid Valves to Pressure Control Unit,
  • Power on the system by 110/220 VAC power source.
  • Set pressure low limit and high limit on digital pressure gauge
  • The pressure inside the tube chamber will be kept within the desired range
       




Application Notes
Gas flow-in/out rate can largely affect system pressure control accuracy, the minimum range of pressure control recorded by using the system shown in below is :

         
  • +/- 100 mtorr (<1 torr),
  • +/- 5 torr (1~760 torr),
Please click the picture above to see details of system setup.

Operation Manual

Compliance
  • Vacuum gauge is CE certified
  • All electric components in control box ( >24V) are UL certified
Warranty One year limited warranty with lifetime support

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