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ITM Monitoring launches new fence monitoring system

ITM Monitoring has announced the launch of Fence Sense, a new fence-based system which the company says offers cost-effective remote monitoring of extended lengths of chain link or other flexible rock fall, debris flow, or containment netting.

Fence Sense uses a single LED sensing cable, a beam of LED light is sent down the cable to constantly measure the strength of returning light. If there is an increase in tension on the cable, caused by a sudden slope failure or a slow build-up of material behind the fence, then the light signal is attenuated, which in turn activates the alarm process.

ITM has said that because the system is continuously “sampling” the system, it delivers real-time monitoring with an SMS and email alert being second out as soon as set threshold is exceeded.

According to ITM, the integrated image capture feature allows asset managers to make better informed decisions about actions and timescales and avoid call outs for false alarms.

The system is powered by batteries with solar recharging and communicates via a GPRS modem with all data and images viewable through Calyx – ITM Monitoring’s online monitoring service.

“Previously the cost of monitoring such fences was often prohibitive, but with our new, we are able to monitor long sections of fence using a single LED sensing cable which dramatically reduces cost,” said ITM head of asset monitoring Nick Slater.

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