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How accurate is the linear range of temperature measurement between NAT 1 and NAT 2?

April 26, 2017accurate linear measurement NAT range temperature

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How accurate is the linear range of temperature measurement between NAT 1 and NAT 2?

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The level of accuracy between the two NAT ranges is approx. +/- 5 Kelvin. The winding temperature is measured in this linear range. The machine manufacturer must decide whether this level of accuracy is sufficient for expanding the functions of the protective device (injections of refrigerant or head fan on/off).