When measuring SAT and RAT for delta-T, where should measurements be taken?

When measuring SAT and RAT for delta-T, where should measurements be taken?

• A. At representative points in the zone near the diffuser or terminal, after stabilization
• B. At representative points in the zone near the diffuser or terminal, away from mixing boxes and after stabilization
• C. At the supply diffuser and at the return grille, after stabilization
• D. At the outdoor air intake

Answer: (B)