Ashcroft 1131 Differential Pressure Gauge 0-25 PSID 3000 PSI SST

The Ashcroft 1131 is a robust differential pressure gauge designed for measuring low differential pressures in systems with high static pressures, making it ideal for applications in filtration, flow measurement, level detection, and leak detection across industries like oil and gas, chemical processing, and water treatment. This model features a rolling diaphragm sensor that provides high accuracy and repeatability while isolating the sensing element from the process media, reducing contamination risks. Key benefits include its ability to handle maximum static pressures up to 3000 PSI without damage, stainless steel construction for corrosion resistance, and a Viton seal for compatibility with a wide range of fluids. Compared to similar gauges like those from WIKA or Rosemount, the Ashcroft 1131 offers superior overpressure protection and a compact design, though it may have a higher initial cost. Drawbacks include limited suitability for very high-temperature environments beyond 176°F and the need for periodic calibration in harsh conditions. This unit appears to be New Old Stock (NOS), in excellent condition with no visible wear, including a safety glass face and mounting bracket. It provides reliable performance with ±2% full-scale accuracy, ensuring precise monitoring in demanding industrial settings.