Pressure Transducer for Blocked Filter Detection

The MS45xx Series is suited for blocked filter detection, altitude and airspeed measurements, medical instruments, fire-suppression systems, panel meter, factory automation and leak detection. The 9.9 x 12.4mm ceramic-based PCB-mounted pressure transducer is presented in an eight-pin ROHS-compatible package with pressure ranges of 0-30in H2O and 0-150psi. This series contains both high-level analogue output (MS4515, MS4525) and digital output (MS4515DO, MS4525DO) where the digital output versions feature either I2C or SPI interface and provide 14-bit pressure as well as 11-bit temperature sensing.

All versions of the series use the latest CMOS sensor conditioning circuitry to create a low-cost, high-performance transducer designed to meet the strictest OEM requirements. The MS45xx Series is fully calibrated and temperature compensated with a total error band (TEB) of less than one per cent over the compensated range. This rugged ceramic transducer operates from a single supply of either 3.3 or 5V DC and is available in side port, top port and manifold mount, and can measure differential, gauge, absolute and compound pressures. These pressure sensors also come in two-pin configurations: DIL (thru-hole, J Lead) and SIL (thru-hole).

The 1/8in barbed pressure ports mate securely with 3/32in ID tubing. This series is designed for flexibility and can easily be configured for custom OEM requirements where lower TEB values, custom pressure ranges, output clipping, or wider temperature ranges are needed. Battery-powered devices requiring lower power consumption can take advantage of the MS4525 series (-L option) where current consumption is 0.6uA typical for digital output. Safety-critical OEMs can rely on the onboard diagnostic features standard on the MS45xx that ensure overall system integrity.

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