Related Services Pressure Pressure gauges can be tested in many modes, such as differential, absolute and vacuum on all industry standard measurement scales Dimensional & Mechanical AVACS dimensional calibration services ensure that all your measuring devices provide accurate and reliable readings Electrical & Radio Frequency AVACS electronic calibration department calibrates, tests and certifies multimeters, power supplies, function generators, Oscilloscopes, spectrum analyzers and measuring instruments of all types and manufacture: 100v(ac or dc) and 1000 amps (ac or dc).