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Network Thermal Monitoring

Temperature studies that find exactly where water gets into a pipe, in water and wastewater networks alike.

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At a glance

  • Up to 750 mBeadedstream cable with up to 125 sensors
  • ± 0.1 °CBetween −10 and 30 °C
  • Pole-to-pole coverageD605 loggers report by Iridium satellite
  • Modbus or JSONThe MLink connects cables to loggers and SCADA

Water getting into a pipe is usually a different temperature from what’s already in it. Our temperature studies use that difference to find exactly where it gets in. They work in water, wastewater and most other piped networks, pressurised or not.

It’s a growing practice in network assessment: accurate, low cost, and able to pinpoint each source.

Illustration: a thermistor string along the pipe and a flow meter downstream. The temperature changes at the sensors nearest the defect.

How it works

A string of sensorsUp to 125 temperature sensors spaced along one cable and laid in the pipe, through existing manholes.
A flow meter alongsideAn open channel flow meter measures the volume the network is carrying at the same time.
Located and measuredWhen a defect lets water in, the nearest sensors change and the flow meter records the extra water. You get the location and the amount.

The equipment

  • Beadedstream Digital Temperature Cable

    Up to 750 m long with up to 125 sensors, accurate to ± 0.1 °C between −10 and 30 °C. IP68, and rated to 3.5 MPa fluid pressure.

  • Loggers for remote sites

    The Beadedstream D605 reports by two-way Iridium satellite, pole to pole, with four cable ports for up to 500 sensors.

  • Into your systems

    The Beadedstream MLink converts a temperature cable to Modbus or JSON over RS-485 for other loggers and SCADA.

Talk to the people who measure it.

Tell us about your network, site or project. A real person from our team will come back to you.

Start an enquiry 1300 721 683