...
Some require an external controller to operate the gauge. Others have a display built in.
controller:
Note: Images are links to product pages/manuals
types
pirani Pirani gauge
pressure range: atmosphere (700 torr) to ~1e-3 torr
...
Hot cathode gauge
Brands:
MKS
Note: the Instruech 501 CCG has a Viton (a type of rubber) seal
Other?
Gauge resources:
MKS vacuum gauges product selection guide