The Mechanical Metrology Laboratory (LMM) provides calibration services of pressure and mass measuring standards and instruments:
![Force-balanced piston gauge for very low pressure calibration in both gauge and absolute modes](https://ipt.br/wp-content/uploads/2023/04/1303_maior.jpg)
- Mass standards: weight sets class E2 to M1.
- Weighing instruments: electronic weighing machine.
- Pressure standards: dead weight tester, liquid manobarometer.
- Pressure instruments: pressure transducer, manometer, barometer.