LACO's calibration laboratory is certified and accredited to calibrate all types and brands of vacuum gauges. Below are examples of several vacuum gauge types and their corresponding calibration service reference number.


Type: Hot Cathode/Ionization/Bayard-Alpert

Common Brand(s): Granville-Phillips, Kurt J. Lesker, Inficon, MKS, Instrutech

LACO Calibration Service: LSGC0005 (10-7 Torr to 10-3 Torr)

Cathode - Ionization - Bayard-Alpert Gauges


Type: Cold Cathode/Inverted Magnetron/Penning

Common Brand(s): Granville-Phillips, Kurt J. Lesker, Inficon, MKS, Instrutech, Oerlikon Leybold PENNINGVAC

LACO Calibration Service: LSGC0005 (10-7 Torr to 10-3 Torr)

Cold Cathode - Inverted Magnetron - Penning Gauges


Type: Pirani/Convection Enhanced Pirani

Common Brand(s): Inficon, MKS, Instrutech, Pfeiffer, Edwards Vacuum, Agilent, ULVAC, Thyracont

LACO Calibration Service: LSGC0003 (10-3 Torr to 1000 Torr)


Type: Combination - Hybrid Ion, Cold Cathode and Pirani, Hot Cathode and Pirani

Common Brand(s): Inficon, MKS, Instrutech, Pfeiffer, Edwards Vacuum, Agilent, ULVAC, Thyracont

LACO Calibration Service: LSGC0008 (10-7 Torr to 1000 Torr)


Type: Thermocouple

Common Brand(s): Teledyne Hastings, Televac, Varian

LACO Calibration Service:     LSGC0003 (10-3 Torr to 1000 Torr)


Type: Quartz Sensor/Piezo

Common Brand(s):   MKS, Thyracont

LACO Calibration Service:   LSGC0002 (1 Torr to 1000 Torr)


Type: Bourdon Tube

LACO Calibration Service:    LSGC0001 (0-30" Hg)


Type: Digital

Common Brand(s):   Vacuubrand

LACO Calibration Service:   LSGC0002 (1 Torr to 1000 Torr)

vacuubrand gauge calibration


Type: Capacitance Diaphragm

Common Brand(s): Inficon, MKS Baratrons, Instrutech, Pfeiffer, Agilent, ULVAC

LACO Calibration Service:   LSGC0004 (10-3 Torr to 1000 Torr)