Direct immersion RTD temperature sensor from Weed Instrument is nuclear qualified and designed and tested to be installed directly into the bypass of the primary coolant loop of pressurized water reactors. Model N9355 RTD has been environmentally and seismically qualified to the RCC-E K2 equipment qualification standard. The sensor is rugged and is said to be able to withstand severe vibration and shock while providing a time response of 1.5 seconds or less. The material selection and external wire wound element design of the sensor are meant to ensure longer installed life and low drift at both elevated temperatures and high vibration. www.weedinstrument.com Weed Instrument