To ensure quality assurance the Institute performs the following activities on a regular basis.
- Intercomparison tests / Round robin tests with International and National Labs
- In- Service checks
- Routine checks
Following Tables indicate some of the Inter comparison tests carried out.
Flow – International
| Year | Participants | Artifact |
| 1993 | NEL,UK- Danish Technological Institute, Denmark- Delft Hydraulics | 8″ Twin Orifice Package |
| 2000 | KRISS, Korea | Sonic Nozzle |
| 2001 | NEL,UK- NMI, Netherlands – Delft Hydraulics | 8″ Twin Orifice Package |
Metrology
| Parameter | Programme | Nodal Agency for Intercomparison |
Artifact | No of times |
| Material Erosion | International cavitation Erosion test Programme | Polish Academy of Sciences, Poland | Material Specimens | 1 |
| Pressure | APLAC ProgramInter Laboratory Inter Comparison | Asia Pacific laboratory Accreditation Committee, NABL, New Delhi Sriram Institute for Industrial Research |
Absolute Pressure Transducer Dead weight Tester Digital Pressure Indicator |
1 1 1 |
| Length | Inter Laboratory Inter comparison | NABL, New DelhiNABL. New DelhiSiTarc, Coimbatore | 1 1 1 |
December 1998March 2003December 2003 |
| Mass | Inter Laboratory Inter comparison | NABL, New DelhiM/s Roots Industries, Coimbatore | Standard WeightsF1 Class Standard Weights |
1 1 |