... (terminal head,thermocouple head,thermocouple accessory) as following:(1) Probe entry: M12×1, M16×1, M20×1, M22×1, M24×1 ... ×1, G1/2, G3/4, NPT1/2, NPT3/4(2) Wire entry: M20×1.5, G1/2, G3/4, NPT1/2, NPT3/4Features and ... assemble with explosion proof thermocouple and resistance bulbs which have.(4)Available in thermocouple types: K, T, J, N, Pt100 and ...