There is a HyDip to suit your needs.
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HDv2
Remotely monitor tank activity over 3G/4G and Ethernet networks. Fit a solar panel and battery for deployments to locations without power.
HFT X2
Remotely authorise tank dispensing transactions and monitor tank activity over 3G, 4G and Ethernet networks. Fit hoses, pumps and solenoids directly to the X2; no need for a separate dispenser controller.