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Legacy Vacuum Gauges & Controllers
Below is a list of older indirect vacuum measurement products.

903 Inverted Magnetron Cold Cathode Vacuum Transducer
- Wide pressure measurement range from 3 x 10-10 to 5 x 10-3 Torr
- Integrated electronics for space and cost savings
- Isolated ion collector increases sensor’s resistance to effects of contamination

356 Micro-Ion® Plus Vacuum Pressure Transducers
- Extended measurement range from high vacuum to atmosphere
- Dual ion gauge filaments increase equipment uptime
- Two trip point relays for safety interlocking

385 Convectron® ATM Vacuum Transducers
- Wide range of pressure measurement from atmosphere to 10-4 Torr
- Accurate and repeatable differential pressure set point at atmosphere
- Compact, rugged, RF and noise-immune module

317 Convection-Enhanced Pirani Vacuum Pressure Sensors
- Ideal for foreline measurement and vacuum control
- 1.0 x 10-3 to 1000 Torr measurement range
- Bakeable and radiation-resistant versions available

422 Cold Cathode Vacuum/Pressure Sensor
- Pressure measurement from 10-2 to 10-11 Torr
- Bakeable to 250°C while operating
- Radiation resistant

Nude Hot Cathode Ionization Vacuum Pressure Sensors
- Dual filaments reduce downtime
- Lower chemical reaction rate and minimal thermal interference
- Low internal outgassing rates at low pressures

943 Vacuum Gauge Controller
- Wide pressure measurement range 10-10 to 10-2 Torr
- Digital LED display with set point status indicators
- Displays pressure in Torr or Pascal units
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