Related Services Pressure Pressure gauges can be tested in many modes, such as differential, absolute and vacuum on all industry standard measurement scales 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). Thermodynamic Electronic thermocouples of every industry standard, Platinum Resistance Thermometers, bulb thermometers, and dry well calibration as well as IR thermometer to 1000 ͦ F.