China cheap pressure transmitter suppiler

YD31 series simple type ceramic & difussed silicon pressure transmitter

Description:
YD31 series pressure transmitter is a series pressure transmitter of our standard transmitter.Imported chip assembly, reflecting a world-class pressure transmitter technology.Compact, rugged. Light weight, easy to install. Easy to use. Maintenance-free. Zerooutside the range can be continuously adjusted, a wide range of migration. Suitable for a variety of occasions in harsh environments and corrosive media.

Basic parameters:
1.Measuring media: oil, water, gas and other media compatible with 316L stainless steel
2.Sensor: a.Stainless diffused silicon

                  b.Ceramic sensor
3.Range: a. Diffused silicon type:Gas: -0.1MPa ~ 0 ~ 100MPa; minimum range: 0 ~ 1KPa (clean air)
                     Liquid: -0.1MPa ~ 0 ~ 100MPa; minimum range: 0 ~ 5KPa
                     Positive and negative pressure type: ± 1KPa (clean gas); ± 10KPa (liquid); maximum: -0.1 ~ 70MPa (custom)

                 b.Ceramic type:0.02Mpa-40Mpa
3.Pressure: 2 times the range (10MPa or less, more may contact); 1.5 times the range (10MPa or more, higher may contact)
4.Accuracy: ± 0.1/0.2/0.25/0.5%
5.Nonlinear: <± 0.2% FS
6.Hysteresis and repeatability: ≤ ± 0.1% FS
7.Long-term stability: ≤ ± 0.1% FS / year
8.Zero drift: ≤ ± 0.02% FS / ℃
9.Response time: ≤500ms (standard)

Electrical parameters:
1.Output: current 2-wire: 4 ~ 20mA
2.3-wire voltage: 0 ~ 5V; 0 ~ 10V; 1 ~ 5V; 1 ~ 10V
3.Supply voltage: DC24V (12 ~ 32VDC, less may contact)
4.Load capacity: current output: ≤ 500Ω
5.Voltage output: ≤ 250Ω output impedance
6.Electrical connection: Standard for HE Mann, optional direct outlet or custom

Materials:
1.Wetted parts: 316L stainless steel
2.Shell: 304
3.Seals: Viton, optional: EPOM, NBR
4.Diaphragm: 316L stainless steel

Other specifications:
1.Process connection: M20 × 1.5 external thread (standard) (optional other
connections)
2.Material: 316L stainless steel wetted materials; Shell: 304
3.Protection class: IP 65
4.Medium temperature: -30 ~ 80 ℃
5.Ambient temperature: -40 ~ 80 ℃
6.Storage temperature: -40 ~ 100 ℃
7.Earthquake: 108 RMS (25 ~ 2000HZ)
8.Ex: Ex ia IIC T6 intrinsically safe
9.Current Limit: The maximum current-24mA; voltage-largest 5mA
10.Certification: CE, ISO
11.Installation position: vertical installation is recommended, as there will be other installation extremely slight zero offset

Features:
1.DigitalASIC, accuracy and stability
2.Drift affect small
3.Excellent long-term stability
4.Excellent anti-jamming capability
5.Overvoltage overcurrent protection, reverse polarity protection
6.Excellent selection of imported sensors core

Applications:
Industrial field pressure control process, supporting the automotive, central air conditioning, refrigeration equipment, water treatment works, environmental purification, hydraulic and pneumatic control, aerospace, petrochemical industry, food industry, medical equipment, marine and shipbuilding industry, water conservancy, hydropower , power plants and other industries. almost can be used in various
industrial fields, suitable for all stainless steel, 316L compatible media, and by choosing different seals to be compatible with more media. Different pressure and electrical connections can be selected.

YD322 series  pressure transmitter with dispaly

Description:
Integral component of stainless steel, elastomer original imported high-precision strain gauge and advanced technology, with high sensitivity,stable performance, good impact resistance. 316 stainless steel welded closed, the pressure sensor LED display comes with three and a half, while the output analog signals to the back-end control mechanism to pressure signal sampling, compact, compact, good moisture resistance and excellent media compatibility.

Technical indicators:
1.Range: -0.1 ~ 100 (MPa)
2.Comprehensive Accuracy: 0.25% FS, 0.5% FS, 1.0% FS
3.Output signal: 4 ~ 20mA (two wire), 0 ~ 5V, 1 ~ 5V, 0 ~ 10V (three-wire)
4.Site display: LED three half 0000 - 1999
5.Supply voltage: 24DCV (9 ~ 36DCV)
6.Medium temperature: -20 ~ 85 ~ 150 ℃
7.Ambient temperature: room temperature (-20 ~ 85 ℃)
8.Load Resistance: Current Output: Maximum 800Ω; Voltage output: more than 50KΩ
9.Insulation resistance: more than 2000MΩ (100VDC)
10.Sealing Rating: IP65
11.Long-term stability: 0.1% FS / Year
12.Vibration: Mechanical vibration frequency within 20Hz ~ 1000Hz, output changes less than 0.1% FS
13:Electrical connection: Hirschmann connector
14. Threaded connection: M20 × 1.5, etc., other threads can be designedaccording to customer requirements
15.Dimensions: M20 × Φ26.5 × 175
16.Measuring media:Weak corrosive liquid; weak corrosive gases.

YDDP series  Differential pressure transmitter

Description:
YD series diffused silicon differential transmitters are consist of both isolation membrane differential pressure sensor and integrated circuit, Has characteristics of high precision, good stability, high reliability and good sensibility. Also can build high-performance microprocessor(MCU)which can correct nonlinearity and compensate temperature drift. Achieve accurate data transfer, local
equipment diagnoses and long-distance bidirectional communication.

Technical indicators:
1.Range: 0~20Kpa…..35Kpa...~2MPa
2.Medium :Liquids or gases compatible with 316LSS
3.Proof pressure: 1.5X rated range or 7MPa(Which ever is less)
4.Accuracy :±0.25%(Typical) ±0.5%(Max.)
5.Static pressure: 5X rated range or 7MPa which ever is less
6.Long term stability: ±0.5%F.S/Y(≤200KPa) ±0.2%F.S/Y(≤2000KPa)
7.Zero temperature Drift: ±0.03%F.S/℃(≤100KPa) ±0.02%F.S/℃(>100KPa)
8.Span temperature Drift: ±0.03%F.S/℃(≤100KPa) ±0.02%F.S/℃(>100KPa)
9.Operating temperature range :-20℃~80℃
10.Storage temperature range: -40℃~120℃
11.Power supply: 15~36VDC
12.Output signal :4~20mA 0~10/20mA 0/1~5/10VDC
13.Pressure port :G1/4 Female 6 air cock or customize
14.Housing material :1Cr18Ni9Ti Stainless steel , aluminium casting or plastic
15.Diaphragm material :316L
16.O ring :Fluororubber
17.Cable :Polyethylene ventilate cable
18.Insulation resistance: 100MΩ,100VDC
19.Protection: IP65

Application:
Compatible with 316LSS,noncorrosive gases & liquids

Wind pressure & velocity of flow in industry process
Measuring pressure of pipeline &firepot
Petroleum industry, chemical industry
Meteorological monitoring

What is the development of bout Us?
Xi'an Yunyi Instrument Co., Ltd. is a professional manufacturer that engaged in the fields of pressure measurement instrument, the chief engineer Mr Tian has more than 30 years on this area, he is one of the engineers who introduced the Rosemount technology. We specializing in developing high precision pressure transmitter and pressure gauges. And we also develop temperature transmitter, level transmitter, densitometer etc. They are widely used in chemical, petroleum, paper, electricity, city gas, environmental protection, water treatment and other fields.

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