Ashcroft 20W-1005-H02B Vacuum Gauge

Ashcroft 20W-1005-H02B Vacuum Gauge is a pair of Ashcroft 1005-series commercial gauges configured for direct vacuum measurement, with a 0–30 inHg vacuum range and a 1/4 in NPT process connection. These mechanical gauges provide a clear, needle-based readout suitable for monitoring vacuum in industrial and laboratory equipment without electrical power. Part of Ashcroft's 1005 family, these gauges are designed for straightforward installation and reliable long-term operation in systems requiring accurate 0–30 inHg vacuum indications. The 20W-1005-H02B designation specifies the model within the range and the configuration for the connection type and mounting; the listing covers two gauges. In addition to direct mounting on vacuum lines, the 1/4 in NPT connection allows compatibility with common piping and fittings used in vacuum applications. These gauges are typically used to verify vacuum levels during setup, ongoing process control, and maintenance tasks where a simple, mechanical displayed reading is preferred.