HFD sleeve set for one HFD8 logger installation (inclusive 4 pieces) Consists of 3 x 100mm long closed-end sleeves for measurement needles and 1 x 120mm long closed-end sleeve for the heater.
HFD Sleeve Set; 3x 100mm closed-end sleeves, 1x 120mm closed-end sleeve.
100mm Measurement Needle Sleeve – To be inserted into the drilled hole to aid in insertion and removal of the sensors.
120mm Heater Sleeve – To be Inserted into the drilled hole to aid in insertion and removal of the sensors. Note this sleeve is longer than the measurement needle sleeves specifically for the longer heater needle.