Enhanced accuracy portable Pressure Calibrator. Enhanced accuracy portable Pressure Calibrator represents unmatched value and performance for high precision applications. Druck, leading manufacturer of the industry standard DPI 600 series of portable calibrators for over 20 years, announces a new improved accuracy for its widely proven flagship product, the DPI 605. Based on a wealth of calibration history and many years of field proven performance data, Druck now offer a performance believed unique for a portable instrument of this type. In terms of non-linearity, hysteresis and non-repeatability, accuracy of the DPI 605 is now certified within 0.025% of reading for values between 1% and 100% full scale (200mbar to 20 bar gauge). For values below 1% (200mbar), accuracy is 0.05 mbar. In addition, long term stability of the instrument is now defined as just 0.015% of reading per annum. An alternative method for defining this performance is by using a standard deviation method. Applying an RSS (Root of the Sum of the Squares) calculation for combined accuracy and stability performance results in a 12 month accuracy of 0.029% of reading between 1% and 100% F.S. This value is also known as the "2 sigma" or "95% confidence" figure. The DPI 605 is a highly sophisticated yet rugged instrument, fully self contained with built in pressure/vacuum generation, battery power supplies, electrical excitation and measurement interfaces, RS232 digital PC communications and temperature measurement up to 200°C. Druck's expertise in both silicon sensing and microprocessor technology means that a wide range of application specific functions are included which are highly accurate and easy to use. For example, in addition to the standard pressure calibration mode, DPI 605 functions include leak/switch tests, datalogging, process (e.g. tare, peak, filter, flow), barometric reference with laboratory standard accuracy, auto-calibration and on-board data storage with results analysis. For maximum efficiency and ease of use, the DPI 605 can also be used in conjunction with calibration management software such as Druck Intecal-W. This gives a full PC based system which increases calibration productivity in the field and workshop, whilst reducing overall documentation time and errors. Detailed calibration routines, reports and certificates are generated quickly and accurately. This documentation also fully complies with the stringent requirements of international quality assurance standards, such as ISO 9000 amongst others. _______________________________________________________ Druck Ltd.
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March 2002

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