Xi'an Yunyi Instrument Co., Ltd
Xi'an Yunyiyibiao Instrument Co., Ltd. is a national high-tech enterprise, specializing in the R&D, production and sales of pressure transmitter,level meter, flow , temperature instrument and
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A high‑accuracy mechanical pressure gauge used mainly for calibrating industrial gauges and for precise online measurement. Built to national standards, it's a trusted reference tool in labs, workshops, and process plants.
Accuracy grades: 0.4%, 0.25%, 0.16%, or 0.1% – pick the precision you need
Wide range: from –0.1 MPa vacuum up to 250 MPa positive pressure
Dial sizes: 150mm (YB‑150) or 160mm (YB‑160) – easy to read
Optional extras: zero adjustment, anti‑glare mirror scale, or both
Bourdon tube design: reliable, no power needed, long service life
Material options: tin‑phosphor bronze (lower ranges) or chrome‑vanadium steel (higher ranges)
Standard, with zero adjust, with mirror scale, or with both
Bench‑mount version (250mm dial) also available
Calibrating workshop pressure gauges
Laboratory pressure measurement and testing
Petrochemical, power, and research facilities
Metrology verification and quality control
Proven standard – decades of use in industry and labs
Many ranges – one model for almost every pressure application
Simple and sturdy – no electronics, no batteries, no drift worries
Good value – high accuracy at a reasonable price