The SEWAD30 pressure logger is a high-precision, microprocessor-controlled manometer with a digital display and a comprehensive data acquisition system. The device is operated via a cable interface and SETEC's proprietary software. The push button on the SEWAD30 is only used to turn the device on and off.
Housing: The manometer housing is made of either anodised aluminium or stainless steel. Models are available for mounting directly onto above-ground or underground hydrants.
Internal Software: At the heart of the manometer lies a signal processor equipped with a programmable analogue-to-digital converter. An EPROM retains all sensor and device-specific data intact, even in the event of a power failure.
Recording modes: Periodical recording at intervals of 1, 5, 10, 15, 30 seconds or 1, 2, 5, 10, 30, 60 or 90 minutes, with user-defined start and stop times. Each recording consists of a measured pressure value (instantaneous, maximum, minimum or average) and time and date stamp.
Storage capacity: Approx. 28,000 or 56,000 storage spaces, depending on saving interval. Records can be stored for extended period until the battery expires.
Pressure measuring range: The pressure measuring range is 0–30 bar with 10 mbar resolution and +/-0.2% accuracy of the measured value. Models with measuring ranges of up to 200 bar are available upon request.
Display: The current measured value, units, time, last saved measurement, plus relevant operating parameters are visible on an LCD screen.
Programming and Readout: The logger is programmed and read out from a conventional PC via a serial interface using the supplied cable. The included communication software displays the results in table and graph formats. After being read out, the data can be edited directly in Microsoft Excel or in other programs.
Power supply: Power is supplied by a 3.6 V lithium battery with a lifespan of approx. 1 year with continuous operation. The replacement of the battery is easy and does not requires any special skills.
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