RET Gas 90902 is a mobile application for managing information from gas network inspection bodies, according to the Colombian Technical Standard NTC-ISO-IEC 17020. Among the functions of the application there are:
-Module for ventilation calculations according to NTC 3631.
-Library of standards.
-Collection of photographic evidence.
-Digital inspection reports.
-Calculation of pressure losses in the pipeline.
-Drawing of isometrics and plant diagrams.
-Table of gas appliances, regulators and meters.
-Unit converter.

Associated standards:
NTC 2050, NTC 2505, NTC 2700, NTC 3538, NTC 3567, NTC 3631, NTC 3632, NTC 3643, NTC 3740, NTC 3765, NTC 3833, NTC 3838, NTC 3853, NTC 3949, NTC 4282, NTC 5256, NTC 5360 , NTC 17020, Resolution 0680, Resolution 90902, Resolution 41385