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Leak testing for gas and water lines

| By Chemical Engineering

union instruments

union instruments

The ESS3 (electronic memory writer) system is used to measure gas and water pressure in supply networks and to collect, save and document the measurement data. This technology is used for fault analysis, leak tests, and function monitoring in gas and water supply networks and sewers. The battery-operated devices are permitted for use in hazardous areas (Zones 1 and 2) and are designed in protection classes up to IP68. The accuracy of the pressure sensors has been increased to 0.05% at full scale, and they are extremely stable against temperature fluctuations, says the company. As a result, a single device can be used for tests in the water supply and in the gas supply. — Union Instruments GmbH, Karlsruhe, Germany