Ashcroft XLdp Series Differential Pressure Transmitters
Ultra-low differential pressure transmitter with 0.25% accuracy, high overpressure protection & NEMA 2 stainless steel construction
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- 0.25% or 0.5% accuracy
- 0.1 inH2O to 50 inH2O pressure ranges
- Optional CE approval
- High overpressure protection
- NEMA 2 stainless steel construction
- Three output signals available
- On-board voltage regulation
- 9 point NIST Traceable Calibration Certificate
- 3-year warranty
Ashcroft XLdp Series differential pressure transmitters are variable capacitance sensors within a glass-clad silicon chip. The patented Si-Glas™ technology combines the inherent high sensitivity of a variable capacitance transducer with the repeatability of a micromachined, ultra-thin, silicon diaphragm.
The Ashcroft Si-Glas sensor enables precise measurement and control of very low pressures. Although the ultra-thin silicon diaphragm deflects only a micron, the sensor is 100 times more sensitive to pressure than other silicon piezoresistive pressure sensors. The Si-Glas sensor is composed of only sputtered metals and glass molecularly bonded to silicon. There are no epoxies or other organics in the sensor to contribute to drift or mechanical degradation over time. The glass-clad silicon diaphragm withstands extreme overpressure as well as severe shock and vibration.
Other features of the Ashcroft XLdp Series differential pressure transmitters include 0.25% and 0.5% accuracies, pressure ranges from 0.1 inH2O to 50 inH2O, optional CE approval, high overpressure protection, a NEMA 2 stainless steel construction, and three output signal options.