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DPI 142 Precision Barometric Indicator

The DPI 142 represents the latest developments in sensing and microprocessor technologies, including the company's resonant micro machined silicon sensor, contained within a highly compact bench or panel-mounting instrument. Extremely competitively priced and simple to use, the DPI 142 delivers a measurement precision/stability performance usually associated with premium cost laboratory reference standards.

 

In addition to the standard full barometric range of 10.9 to 16.7 psia, low range absolute ranges cover 0.5 up to 50 psia and precision is typically 0.01% full scale. This includes the combined effects of non-linearity, hysteresis, repeatability and temperature effects 10 to 40 C. Long term stability is better than 100 ppm full scale per year.

The high-contrast, backlit LCD offers a full six digit scaling with choice of 24 user selectable pressure units including altitude in feet/meters for altimetry applications. User interface is by means of a simplified, menu-driven keypad and standard RS232 (SCPI protocol) communications; also IEEE488/analogue options. The DPI 142 is very compact (7.3" wide x 7.7" deep x 3" high), which makes it ideal for portable/benchtop use or alternatively for system integration by panel mounting using a standard kit option.