AV WATCHMAN System

Operating Pressure Range

Direct Valve Open

Below 10^-4 Torr

By-Pass Valve

100 Torr to 10^-4 Torr

Valve Actuation

Direct Valve

Manual, Electrical or Pneumatic

By-Pass / Leak Valve

Manual or Automatic to preset position

Protection

Pressure protection by Cold Cathode Gauge controller provides RGA filament interlock and closes direct valve if system pressure is too high (on optional automatically actuated systems).

Dimensions

Configuration dependant

See next column for details on Odyssey Mass Spectrometer sensor

AERO VAC Gas Analyzer

Magnetic Sector Configuration

2" radius, 60° deflection

Resolution

50-75  (with 0.010" slits)

       (m/D m @ 10% peak height)

Source Sensitivity

1x10^-4 amps/Torr (1mA emission)

(1x10^-3 amps/Torr with 3mA emission)

Minimum Detectable Partial Pressure

1x10^-10 Torr for Faraday Cup

5x10^-14 Torr for Electron-multiplier

(with 0.010" slits)

Mass Range

1-150, 2-250, 3-350 AMU - Standard

Dynamic Range

8 decades total

6 decades concurrently

Emission Current

0.1 - 5.0 mA adjustable

Electron Energy

25 - 120 Volts adjustable, standard

Filament Power

20 watts, includes Softstart feature

Materials in Vacuum

Stainless Steel (304), nickel, glass (EM), ceramics, ThO2/Ir , copper gasket

ENCOUNTER Software:

Operational Modes

Analog display, Histogram Display

Trend Display, Leak Detect

Control Panels, Calculators and Tools

(See Encounter brochure for further details)

Other Options

Calibrated Standards

Multiple Inlet System

Wet or Dry Pump Versions

Requirements

Pentium III Processor, Windows 9x, 2000, XP, One Serial or Ethernet Port

Air supply for valve actuation - 80psi