The Fredericks Company is an industry leading innovator and manufacturer of tilt measurement and vacuum measurement products – sensors, electronic assemblies, gauges and controllers. You can choose from our extensive line of high-performance, off-the-shelf products or get a special solution custom-engineered to your needs.

<4336> - Glass Bayard-Alpert

The ETI 4336 Series of ionization gauges are Bayard-Alpert gauges available either with a burnout-resistant iridium-coated filament or two tungsten filaments.

Type 8142 is a versatile gauge constructed with a rugged bifilar grid and a thoriated iridium filament.

<TELEVAC 2A> - Thermocouple

The TELEVAC 2A thermocouple sensor has a measurement range from 1 × 10-4 Torr up to 1000 Torr.

The TELEVAC VacuMini is a commercial version of TELEVAC’s highly successful NASA 2A sensor.

<Modular MM200> - 2A Sensor Cables w/Octal Connector

CABLE ASSY TC 'B' 10' 2-9800-52 / CABLE ASSY TC 'B' 20' 2-9800-53

CABLE ASSY TC 'B' 35' 2-9800-55 / CABLE ASSY TC 'B' 50' 2-9800-56


<Sensor Filters> - Filter Gauge Tube

The sensor filter is designed to trap solid particles, condensable gases, and pump oil droplets that may enter the sensor and contaminate the elements

For more products, please visit Televac.

Controller & Active gauge

Product Operating Range Communications Analog Output
MM200 1 x 10-11 to 7600 Torr max RS-232/RS-485 0 to 10 VDC (1 per sensor)
MC300 1 x 10-11 up to 1000 Torr N/A 0 to 10 VDC (1 per sensor)
MX2A 1 × 10-4 Torr to 1000 Torr RS-485 7 selectable 0 V to 10 V
MP2AR Thermocouple 1×10-3 Torr to 20 Torr N/A 0 V to 10 V DC linear