YD31 series

YD31 series

YD31 series

Product catalog summary
Overview: The document provides detailed technical specifications and ordering information for the YD31 series of pressure transducers and transmitters manufactured by Xi'an Yunyi Instrument Company Limited. These devices are designed for critical industrial applications across various sectors such as petroleum, chemical industry, metallurgy, power stations, and more.
Applications: The YD31 series is suitable for harsh environments in the process industry, including fuel storage and transport. It is applicable in industries like petroleum, chemical, metallurgy, power stations, hydrology, and agriculture.
Features: Key features include non-linearity up to 0.1% of span, high shock and vibration resistance, customized outputs, electrical connections, pressure ports, and CE ATEX RoHS certification. The devices offer overcurrent/overvoltage protection and polarity protection.
Specifications: The YD31 series uses high-quality imported piezoresistive pressure sensors with a fully welded 316L stainless steel housing. It offers continuous measuring ranges up to 1000 bar and supports various standard industrial output signals and process connections. The devices are customizable with different accuracy classes, extended temperature ranges, and specific pin assignments.
Technical Parameters:
  • Pressure Range: Gauge, Absolute, Sealed gauge, Negative pressure options available.
  • Accuracy: Typical accuracy is ≤ ±0.25% F.S, with customized options up to ≤ ±0.1% F.S at 25°C.
  • Temperature: Operating temperature ranges from -20°C to 80°C for corrosive mediums and -40°C to 80°C for non-corrosive mediums.
  • Output Options: Includes 4-20mA, 0-5V, 0-10V, RS485 Modbus RTU, among others.
  • Material: Body and diaphragm made of 304 or 316 stainless steel.
Ordering Information: The document provides a detailed selection guide for ordering, including pressure range, signal output, power supply, pressure connection, and additional options like anti-corrosive type, flush diaphragm, and oxygen services.
Accessories: Accessories such as liquid level display control devices and terminal boxes with IP67 ingress protection are available for purchase separately.
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Catalog excerpts

YD31 series-1

XI'AN YUNYI INSTRUMENT COMPANY LIMITED 1.Pressure Transmi�er 4.Dead Weight Tester 7.Temperature Transmi�er 2.Pressure Gauge 5. Level Transmi�er 8.Density Meter

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YD31 series-2

YD31 seriesUniversal Industry Pressure(Level) Transducer & Transmitter Specifications Ambient Temperature: 25°C (unless specified) Applications if Critical industrial applications if Petroleum if Chemi-industry if Metallurgy if Power station if Hydrology, Agriculture if Harsh environments in the process industry if Fuel storage and transport Features Non-linearity up to 0.1% of span High Shock and Vibration Customized outputs, electrical connections and pressure ports Added weight prevents movement of the transmitter CE ATEX RoHS certificate approved Overcurrent/overvoltage protection Polarity...

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YD31 series-3

How to Order l.Range Selection Table: Kindly according to your application select suitable range code , Example: Code 11 = 25 . Unit of measure select on the Part Number Selection Table . Example: Code B=Bar , that's 25 bar 2.Part Number Selection Table: Electrical Connection 31 Selection Type Pressure Units Direct cable outlet Other option C=Anti-corrosive Type F=Flush diaphragm O=Oxygen services X=Withstand Xylene N=Standard Type FF=Fuel Filter

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YD31 series-4

Accessories (Notes: Please purchase separately. For the price of accessories, please contact our sales.) Descrip�on Order number Liquid level display control device With all kinds of liquid level sensor, measurement according to liquid level, and according to the se�ng of the container structure and size and the density of liquid, calcula�on, display liquid volume or quality. A�ached LED indicator for transmi�ers standard version A�ached LED indicator for transmi�ers standard version Terminal box The terminal box, with IP 67 ingress protec�on and water�ght ven�la�on element, provides a moisture-free...

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All Xi'an Yunyi Instrument Co., Ltd. catalogs and technical brochures

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.