Many concrete producer still have a Hydronix Hydro-Mix 5 and/or 6 microwave sensor built into their mixer. Those sensors will last a long time under normal use and regular adjustments. Over the last few years Hydro-Mix 7 and now Hydro-Mix 8 entered the market and replaced the older models, spare parts are now only for the last three models available.
Factory refurbishment for Hydro-Mix 5 and 6 is no longer available.
Hydro-Mix 5 and 6 owners now have to replace those sensor models, make some software modifications (if necessary) and install the latest sensor = Hydro-Mix 8 into their mixer.
Wear parts for Hydro-Mix 6 sensors are going to be available until approx. end of 2022.
All versions, Hydro-Mix 5 to Hydro-Mix 8 have the same diameter and can be exchanged without any problems.
If damaged, replace with the latest version for a long parts replacement service.
If damaged, replace sensor with the latest version for a long parts replacement service. Wear parts are still available until approx. mid of 2022
Hydro-Mix 7 and 8 (order code:0910) Replacement kit 2 – wear protection ring with screws, ceramic disc and o-ring, but no ceramic retaining ring
Hydro-Mix 5-8 (order code:0021) Mild steel weld-on mounting ring
Hydro-Mix 5-8 (order code:0033) Adjustable clamp ring
Aggregate bin sensors HP-01 and HP-02 are obsolete. HP-02 sensors still can be factory refurbished if not too old, call for repair availability if sensor serial number is lower than 30000
Latest version for this type of sensor is HP-04