VS Series Helium Mass Spectrometer Leak Detectors
DRAFT 4/23/15
1-29
Pressure Indication Test port a n d s p ectrometer p r e s s ure with alp h a n u meric indi c a t i o n on
the LCD display.
Spectrometer Sensitivity optimized design, header mounted ion source with dual
thoria-coated iridium filament, a high sensitivity, wide dynamic range
preamplifier, and vacuum gauge.
Automatic Valve Sequencing Microprocessor-controlled valve operation provides automatic system
cycling.
Safety Interlocks A valve system design that completely protects the high vacuum
system under test against pressure surge and power interruption.
Optional
Wireless Remote Control This provides:
❑ RF communication between the VS leak detector (with base sta-
tion or host) and the Wireless Remote unit from a distance up to
100 m (300 ft).
❑ The ability to enter the VS leak detector unit into Test and Hold
modes from the Wireless Remote unit's keypad.
❑ The ability to read the VS leak detector’s leak rate in a linear and
logarithmic bar graph format with a numeric range indicator and
System status in alphanumeric format on the Wireless Remote
unit's LCD display.
❑ Configuration up to 10 different VS leak detector unit’s for wireless
control by toggling through a MAC address list using one Wireless
Remote unit
Discrete I/O Control This provides 12 outputs and 8 inputs lines, optically isolated, to
control the VS leak detector using an external PLC via a 25-pin DB25
female connector and a user-provided parallel cable.
Table 1-4 VS Series Features (Continued)
Feature Description
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