The Earth-Rite RTR utilises patented electronic called "Tri-Mode" technology to establish three key inputs that must be in place before the loading/unloading operation can commence.

The Earth-Rite® RTR™ includes:

When the three key inputs are met, only then will the Earth-Rite RTR go permissive and energise its pair of volt-free change-over contacts to engage the pupm, or whatever equipment is interlocked with the system, to control the flow of product to or from the road tanker. Any static generated by the loading operation is transferred from the road tanker via the Earth-Rite RTR to ground, eliminating static electrictiy as a potential source of ignition.


In accordance with the recommendations of IEC 60079-32, the Earth-Rite determines if the grounding clamp is connected to a road tanker. This ensures the clamp is connected to the main body of the road tanker and cannot be bypassed by connecting the clamp to the loading gantry.


The Earth-Rite RTR ensures that it has a connection to the general mass of the earth. This is a critical input as a connection to earth is the only means by which the static electricity can be transferred from the road tanker, preventing the accumulation of static electricity.


In accordance with the key recommendations of IEC 60079-32 and NFPA 77, the Earth-Rite RTR ensures the resistance between the road tanker and the verified earthing point at the loading gantry never exceeds 10 ohms. The Earth-Rite RTR achieves this by monitoring the resistance between the RTR clamp's connection to the road tanker and the RTR's connection to the verified grounding point for the duration of the transfer operation.

Earth-Rite® RTR™

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