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VGC400 Series Vacuum Gauge Controller

Your Complete Solution for Process Measurement and Control
Compatible with four measurement principles - hot cathode, cold cathode, Pirani, and capacitance diaphragm gauges - the VGC400
series of controllers can monitor the entire pressure range from 10 -10 to 1500 mbar (10 -10 to 1125 Torr).
 
 
 
 
VGC401
VGC402
VGC403

Advantages
■ Firmware upgrades available on-line are easily downloaded via the RS232 interface
■ Programmable 0 to 10 V chart recorder output with logarithmic / linear characteristics for each
 gauge or gauge combination (VGC402/403 only)
■ High resolution - 16 Bit A/D converter
■ Automatic identification of the connected vacuum gauges
■ User selectable measurement unit (mbar, Torr, Pascal, micron)
■ Up to six adjustable setpoints with adjustable hysteresis may be assigned to any channel
■ Versatile, compact bench-top model design can easily be mounted in a panel or 19" rack
■ Widerange power supply 90 to 250V, 50 to 60 Hz

Back side of the VGC403
A：Sensor connection, channel 1
B：Sensor connection, channel 2
C：Sensor connection, channel 3
D：CONTROL connection
E：Switch for program transfer mode
F：RS232C connection
G：Mains connection
H：Mains switch
I：Ground screw
J：RELAY connection
K：Screw for internal protective conductor.
       Do not loosen this screw！
 
XGS-600 Vacuum Gauge Controller

Gauge cards simply snap into place to add a sensor.

The XGS-600 Vacuum Gauge Controller makes the complex task of vacuum measurement
simple for you. Gauge capacity, speed, flexibility, and intelligence are now available in an easy
to use, economical, compact half-rack package.

User Friendly Interface with simple navigation
■ Intuitive screen functions
– Displays up to 8 gauges on one screen
– Customizable gauge labels
■ Easy key pad navigation

Intelligent Design and Functionality
■ Simultaneous operation of all gauges – up to 12
■ <20 millisecond signal-to-setpoint response time
■ Displays up to 8 gauges at one time
■ Standard features include：
 – 8 gauge set points
 – fully programmable RS-232/485 serial communications
 – E-beam degas for hot filament gauges
 – pressure unit selection: Torr, Mbar, Pascal
 – universal voltage compatability
 – analog output

Capacity, Flexibility and Expandability
■ Only 3 gauge cards operate all Varian gauges：
– Add a gauge card when needed, simply and quickly
– Save the cost of additional controllers
■ Simultaneous operation of：
– Up to 4 hot filament gauges plus 4 convection gauges
– Up to 5 inverted magnetron gauges
– Up to 12 convection gauges
System Setup
Set Points
Large Font
Sensor Setup
 
Vacuum Controller CVC 3000

The versatile new vacuum controller with boiling point detection
and presets for many common applications - intuitive to use,
fully automatic
 
Advantages
■ Demand oriented control of vacuum, cooling water and ventilation
■ Intuitive menu control due to simple jog wheel control and graphic display, with analog and
 digital vacuum readout
■ Provides gentle evaporation also in case of boiling retardation
■ Environmental protection with high solvent recovery rate
■ Reduces foaming and bumping due to fast and sensitive response
■ Fast and simple detection of optimal vacuum settings even with unknown mixtures and
 pressure levels
■ Self-configuring: will recognize any VACUU·BUS appliance as VARIONT pumps, vacuum
 and cooling water valves, external gauge heads
■ Electronically selectable pressure units (mbar, hPa and Torr)
  
    Technical Data
Measuring range
1080-0.1 mbar; 810-0.1 Torr
Control range
( depends on the vacuum pump )
1060-0.1 mbar (Turbo-Mode)
795-0.1 Torr (Turbo-Mode)
Vacuum gauge ( integrated )
alumina-ceramic capacitive vacuum transducer
( absolute pressure, gas independent )
Uncertainty of measurement
< ± 1 mbar (0.75 Torr) (after calibration, at constant temperature)
Vacuum gauge connection
screw thread for PTFE tube 10/8 mm, with hose nozzle NW 6/10 (mounted]);
small flange KF 16 (accessories)
Temperature gradient
< ± 0.07 mbar/K (< ± 0.05 Torr/K)
Max. power consumption
3.4 W (140 mA at 24 V=)
Air admittance valve ( integrated )
with inert gas connection (max. 1.2 bar abs.) for hose 4-5 mm
Control interface
Digital VACUUoBUS
Contol connections
1 x connector for feed / VARIONT pump
2 x socket for external sensors / valves (expandable)
Supply voltage mains supply
90-264 V ~ / 47-63 Hz
Max. Power consumption
0.8 A
Dimensions ( L x W x H )
( table-top instrument )
138 x 124 x 115 mm
Weight ( incl. power supply )
0.7 kg
























 

VGC301
Convection

VGC301 Convection Vacuum Gauge Controller

■ Remote Panel mount or bench top controller for the Convection vacuum
    gauge tubes.
■ Wide measurement range lets you monitor your vacuum system from
    10-4 to 1000 Torr with a single gauge.
■ Includes built-in digital display, two set-point relays, user-selectable
    analog outputs, and RS232/485 interfaces.
■ Compatible with InstruTech’s CVG101 Worker Bee or your existing
    Granville-Phillips Convectron® gauge tubes.
 

B-RAX 3000
Multi-gauge

B-RAX 3000 Multi-gauge Controller

■ Significant cost saving using a different approach to traditional full range
    vacuum measurements.
■ Operates one InstruTech Ionization gauge (IGM400) plus two Convection
    gauges (CVG101).
■ Alternate analog input from other types of vacuum gauges such as a
    Capacitance Diaphragm gauge.
■ Low heat generating, compact space saving half rack design, bench top
    or panel instrument.
■ 3 independent LED pressure measurement displays plus 3 set-point
    relays & analog output (model 3100) for process control.