The Volotek VGC1000 is a high precision and user-friendly Vacuum Gauge Controller designed to provide reliable wide range pressure measurements with auto range display. Its low noise Electrometer delivers accurate Ultra High Vacuum readings (10-16 bar).

Description
Ultra High Precision Vacuum Gauge Controller
Features
The Volotek VGC1000 is a high precision and user-friendly Vacuum Gauge Controller designed to provide reliable wide range pressure measurements with auto range display. Its low noise Electrometer delivers accurate Ultra High Vacuum readings (10-16 bar).
All controls are accessible locally from the front panel or remotely via either Profibus, RS232/485 or Ethernet interface.
- Pressure readings as low as 10-16 bar
- Bayard-Alpert gauges compatible
- Wide range of measurements
- 1 fA Electrometer sensitivity
- Highly reliable measurements
- User-friendly LCD display and interface
- Local and Remote operation
- Profibus DP interface
- Optional Ethernet and WiFi communication
- Optional RS232 or RS485 interface
- Modular design, field upgradeable
- Available in rackmount or desktop
- Compatible with other gauges
Electrical Specifications
Electron emission current
- Range 0.2 mA to 10 mA. Electronically controlled
- Accuracy ±1 % of setting
Grid (measurement mode)
- Range +150 to 200VDC adjustable
- Accuracy ±1 % of setting
Filament
With transformer box
- Voltage 220 VAC, 50W controllable
- Accuracy ±2 % of setting
- Bias voltage 50V (measure) or 5V (degassing), ±1%. User programmable.
Degas
- Mode Electron bombardment
- Time 1 to 34 min., adjust. in 1 min. steps
- Grid voltage 600 VDC. User programmable
- Emission current 10 to 70 mA
- Display Approximate pressure, degas power and remaining time
Electrometer
- Accuracy 5 % full scale
- Repeatability 2% full scale
- Analog output 0 ….. 10V
- Analog output shift 0 ….. 10V
- Resolution 12-bits
- Connector Triaxial BNC
- Sensitivity 1 fA
General
Interfaces
- Profibus DP (EN 50170/IEC 61158) from 9.6 kbps up to 12Mbps
- RS-232, RS-485, Ethernet and/or WiFi fully web-enable (as an options)
Power
- 230 VAC ± 10%, 47 to 63 Hz, 150 W. EN60320/C13 power inlets; (110 VAC available on request)
Operating temperature:
- 10 °C to 40 °C
Dimensions
- 3U, 1/3 19” frame, 145mm x 120mm x 250mm (WxHxD) (IEC 60297)
- Weight: 2.24 kg
Compliant
- IEC 61000