Ashcroft RXLdp Low Pressure Transmitter

® RXLdp transmitter introduces a variable-capacitance sensor using 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 micro-machined, ultra-thin single crystal silicon diaphragm.  The Ashcroft Si-Glas sensor enables precise measurement and control of very low pressure. Although the ultra-thin silicon diaphragm deflects only a micron, the sensor is 100 times more sensitive to pressure than available silicon piezoresistive pressure sensors. The Si-Glas sensor is composed of 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.

Features:

• Ranges from 0.1" to 50" H₂O  pressure ranges
• Certified 1% accuracy
• CE approval
• High overpressure protection
• Stainless steel & Lexan NEMA 1 construction
• Five types of output signals available
• Mounts inside standard 3.5" electrical box
• On-board voltage regulation allows use of lower cost, non-precise, unregulated power supply