What Is Standard Ambient Temperature And Pressure?

What Is Standard Ambient Temperature And Pressure? NIST uses a temperature of 20 °C (293.15 K, 68 °F) and an absolute pressure of 1 atm (14.696 psi, 101.325 kPa). This standard is also called normal temperature and pressure (abbreviated as NTP). What is ambient temperature and pressure? SATP – Standard Ambient Temperature and Pressure is