VISION-2000-B Vacuum Baseline Monitor

Mass Range

1-100, 1-200, or 1-300 amu
Ion Source

Open ion source
Filaments

Twin Tungsten or Thoria filaments
Mass Filter

Double filter (1 in. "RF only" pre-filter with 4 in. main filter)
Detector

Dual (Faraday and secondary electron multiplier)
Maximum Analyzer Operating Pressure

7.6e^-5 Torr (1e^-4 mbar)
Minimum Detectable Partial Pressure

Faraday: 2e^-11 Torr (2.7e^-11 mbar), Secondary electron multiplier: 5e^-14 Torr (6.7e^-14 mbar)
Mass Stability

Better than ±0.1 amu over 8 hours
Resolution

Better than 10% valley for peaks of equal height across mass range
Mounting Flange

DN35CF (70 mm/2.75 in. OD) Conflat
Vacuum Hardware

Analyzer housing plus pneumatic isolation valve. Optional independent total pressure gauge and/or valve and filament trip-box assemblies available for interlocked protection of the RGA.
Bake Out Temperature

200°C with Bakeout Jacket
Pneumatics

60-80 psig CDA
Electronics Weight on Flange

1.7 kg

Power Requirements

24 VDC, 3.4A, external supply (included), 100-120V/200-240V, 2.1 Amp, 47-63 Hz
Maximum Operating Conditions

Electronics: 10 - 40°C, 80% RH (non condensing)
LED Status Indication

Interlock status, emission OK, SEM, power and communications
I/O Capability

4 analog inputs (-11 to +11 v, 22 bit), 2 analog outputs (0-10 V, 12 bit), 16 digital TTL I/O, 1 opto-isolated filament control input, one dedicated gauge port, Optional PC-based Generic I/O support for PCI slots, USB and Ethernet I/O devices. Modbus/GEM SECS support for some product configurations.
Other Facilities

Leak check headset socket, external filament trip socket, instrument reset
Software

Process Eye Professional fully network compatible control platform generating under Microsoft Windows 2000, XP or Vista
Communication

Ethernet CAT-5e
PC Requirements

Intel Pentium IV or AMD Athlon XP 1.2 GHz, 1024 MB RAM, 120 GB disk free space drive. Multi-sensor installation may require higher specifications.
Simultaneous Multi-Sensor

Process Eye Professional client/server configuration offers flexible multi-sensor operation.
Shipping Weight

25 lbs (11.4 kg)
Type

Residual Gas Analyzer
Measurement Technique

Mass Spectrometry
Compliance

Compliant to RoHS Directive 2002/95/EC (control unit)