World-Class Environmental and Solar Metrology Facilities at CSIR-NPL

On 5th January 2026, Union Minister inaugurated the world’s second National Environmental Standard Laboratory (NESL) and the fifth National Primary Standard Facility for Solar Cell Calibration (NPF-SCC) at CSIR-National Physical Laboratory (NPL) during its 80th Foundation Day.

  • The National Environmental Standard Laboratory will strengthen environmental governance by enabling accurate, India-specific calibration of air pollution monitoring instruments, supporting initiatives such as the National Clean Air Programme.
  • The Solar Cell Calibration Facility, developed in collaboration with PTB Germany, places India in an elite global group in solar metrology with a best-in-class uncertainty level of 0.35%.
  • The facility will reduce dependence on foreign certification agencies, save ....
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