This standard applies to thermocouple thermometers and resistance thermometers in pressureless systems, such as wast gas ducts, air conduits and open channles.
DIN 43769:1986 history
1986DIN 43769:1986-03 Measurement and control; electrical temperature sensors; thermometers not fitted with protecting tubes / Note: To be replaced by DIN 43735-3 (2005-04).
1986DIN 43769:1986 Measurement and control; electrical temperature sensors; thermometers not fitted with protecting tubes