Model AVC Controller

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	Applications Processes Requiring Accurate Vacuum Measurement & Control: Glove Boxes Cryogenics Vacuum Furnaces Pharmaceutical Production freeze Drying Agricultural Processes Air Conditioning Thermal Food Containers Plasma Coating Refrigeration (HVAC) Accelerators Appliance Manufacturing
Features Works With Existing DV-6 and DV-4 Sensors Compact Detachable Electronics Operates on DC Power 12-30 volts 0-1 VDC Output Signal 0.001 to 1 Torr and 0.1 to 20 Torr Standard 8 Pin Octal Connector

Design Features
The Model AVC (Active Vacuum Control) is a compact, modular, detachable electronics package designed to provide a continous analogue output signal (0-1 VDC) from .001Ê Torr to 1 Torr when attached to the DV-6 sensor and .1 Torr to 20 Torr when attached to the DV-4 sensor. Additionally, an open collector transistor operates an external relay to act as a vacuum switch.

The AVC electronics uses the rugged thermopile sensors which are industry standards on many vacuum applications. It is intended primarily as a vacuum sensing and control element in OEM applications where durability, long life and economical cost are as critical as overall size. Its compact size allows easy installation in space restricted locations. The resulting packaged electronics are independent of the sensing element allowing quick easy trouble shooting and component replacement.

The DV-6 and DV-4 style sensors each provide the standard rugged thermopile sensing element used in many vacuum applications. Each range of sensors is interchangeable without the need for calibration adjustments. They are rugged noble metal sensors which are resistant to corrosion. The sensors can be ordered with a variety of system connections to meet your system’s requirements such as VCR®, KF 16, KF 25, Glass, MiniConflat™, etc.

Mini-Conflat™ is a trademark of Varian Associates, Inc. VCR ® is a registered trademark of Cajon Company.

Specifications

AVC SPECIFICATIONS
Range (DV-6)	0.001 - 1.0 Torr (N₂ ) 0.001 to 1.3 mbar
Range (DV-4)	0.1 - 20 Torr (N₂ ) 0.13 to 20 mbar
Output Signal	0 - 1 VDC Analogue
Electrical Connection	4 Conductor Cable (signal and power)
Power Requirements	+12 to +30 VDC @ 50 mA Must be regulated below +13 VDC
Single Set Point Output	Open Collector Transistor 50 mA @ 30 VDC Max
Weight (approx.)	AVC 0.22 lbs./100 g
STANDARD METAL DV 4 and DV 6 SENSOR
Max Pressure	50 psi max.
Tube Installation Position	Any without recalibrating
Tube Operating Range	0°C to 40°C
Tube Leak Test	< 10^-8SCCS
Tube Max Temperature	100°C 40°C (with electronics attached)

For further information please contact us or download the PDF Data sheet download (104kB)