Platinum-Rhodium Thermoelectric Converters PPO for Accurate Temperature Calibration

They are intended for use as verification tools for certification of thermoelectric thermometers in air or neutral environment in the temperature range of 300 ... 1200 °? in laboratory conditions.

For the 1st category thermometers the temperature range is 300...1100 °?. Probability of failure-free operation is not less than 0.90 for 500 hours at temperature 1100 °?; average service life - not less than 6 years.