Televac® Product Matrix 1F Diaphragm 1 - 7600 Torr 1E Diaphragm 1 - 1000 Torr 4A Convection 10-3 - 1000 Torr MX4A Convection 10-4 - 1000 Torr 2A Thermocouple 10-3 - 20 Torr MX2A Thermocouple 10-4 - 1000 Torr CC-10 Wide Range 10-9 - 1000 Torr 7B Cold Cathode 10-7 - 10-3 Torr MX7B Cold Cathode 10-8 - 10-3 Torr MX7M Cold Cathode 10-11 - 10-2 Torr 7E Cold Cathode 10-8 - 10-2 Torr 7F/7FC/7FCS Cold Cathode 10-11 - 10-2 Torr 3F Mini BA Hot Ion 10-10 - 10-2 Torr