Model LPS075-D and LPS300-D

Analog Outputs

• Beam Voltage: Negative, 0-750V for LPS075-D
• Negative, 0-3000V for LPS300-D
• Filament Current: 0-3.2A
• Wehnelt Voltage: 0-37V with respect to filament
• Focus Voltage (LEED): positive, factor 0.7 - 1.8 of beam voltage
• Focus Voltage (AES): negative, 0-3000V
• Retarding Voltage: negative, 0.5-1.1 of beam voltage
• Screen Voltage: positive, 0-5 kV
• Emission Current: 1-200μA range
• Beam Current: 0.01- 200μA range
• Monitoring: all above voltages and currents
• Display: vacuum fluorescent display for all voltages, beam current, emission current and program functions
• Manual Control: manual control of all voltages via rotary dials and selection switches, manual programming available
• On-Board Automation: 5 pre-programed operating programs, outgassing, Stand-by, filament forming, beam voltage scanning, constant beam current, diagnostics programs
• PC Control: full control of all functions of the controller or beam voltage via USB interface, PC software required
• Protection: over-voltage, over-current and short circuit protection

Model LOA10-AES

• Ramp Generator: 0-2000V with precision sine wave modulation
• Modulator: 0.5-20Vpk-pk amplitude, 1.47kHz frequency
• Lock-in Amplifier: sensitivity factors: 10, 100, 1000, and 1,2,4,8; time constant: 0.1, 0.5, 1, 3 sec.; harmonics: fundamental and 2nd, phase: 0-360 deg.
• PC Control: all functions are controlled by AES software via USB
• Pre-amplifier: separate pre-amplifier with gain 500, band-pass filter and bias voltage input