oltraco has introduced Permalevel - a permanent ultrasonic liquid level indicator for plant engineering 'high-low' level point monitoring and for 24/7 Fixed C02, FM200, Novec 1230 & all Halo carbon gaseous extinguishing systems. Permalevel is the newest design from Coltraco, which is a global leader in ultrasonic instrumentation design and manufacture, and builds on the 20-year success of the Portalevel portable handheld ultrasonic liquid level.
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