IS 16648 : Part 4 : 2018 Concentrated Solar Thermal - Specification Part 4 Non-Imaging Concentrator     
  Reaffirmed 2022   
1. SCOPE   
This standard (Part 4) specifies requirements of nonimaging concentrator (NIC) for process heating and steam generation for range 60°C to 120°C. The NIC shall be useful for low to medium process heat application.   
2. REFERENCES   
The standards given in Annex A contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards.