Specifications

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 AMU - Low mass magnet

2-250 AMU - Standard magnet

3-350 AMU - High mass magnet

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

Peak Location Stability

+/- 0.2% over 8 hours

Peak Height Stability

+/- 1% over 8 hours

Input / Output Capability

24 channel TTL I/O

8 control Outputs

2 Analog outputs - 10 bit

8 single analog inputs - 12 bit

Filament Interlock

Available for the connection of external annunciation

Bakeout Temperature

(Cable and Magnet Removed)

400° C Faraday Cup

300° C Electron Multiplier

Max Operating Temperature

Head - 150°C Typical

Electronics - 40°C Ambient

Materials in Vacuum

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

Probe Weight

9 lbs

Control Unit

120 / 240V, 2.0 amps, 50 / 60 Hz, Weight 15 lbs. Dimensions 19" x 10" x 3.5" (~2" additional for rear panel connections).