Transponder7.8 SIMATIC RF625TSIMATIC RF600System Manual, 06/2019, J31069-D0171-U001-A22-7618 40977.8.3.3 Range when mounted on non-metallic carrier materialsThe transponder is generally designed for mounting on metallic objects which provide theconditions for the maximum reading rangesTable 7- 28 Range with non-metallic carriersCarrier material RangeTransponder on wooden carrier approx. 60%Transponder on plastic carrier approx. 65 %Transponder on plastic mineral water bottle approx. 70%Transponder without base approx. 50 %The maximum range of 100% is achieved by mounting the transponder in a free space withlow reflections on a flat metal carrier with a diameter of at least 150 mm.You will find more detailed information on the range in the section "Minimum distances andmaximum ranges (Page 55)".7.8.3.4 Mounting in metalIt is possible to mount the transponder in metal. If there is not enough clearance to thesurrounding metal, this reduces the reading range.Clearance (all-round) Reading range 1)a = 5 mm Approx. 50 %a = 10 mm Approx. 70%1) The read range information applies when the transponder is mounted on a metallic carrier with adiameter of at least 150 mm.Figure 7-21 Flush-mounting of RF625T in metal