SITRANS FUE950 spare part: FUE950 temperature sensor pair: PT500 pair of sensors (6/140 mm), with MID-MI004 and PTB-K7.2 approval, 4-wire with 5 m connection cable. Sensor with 6 mm diameter - 140 mm Length (1 set) (approvals are only valid if temp. sensors with approved sensor pockets are used).