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alibaba smart Capacitive Differential Pressure Transmitter China
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- 4-20mA Capacitive Differential Pressure Transmitter price
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Product Details
Place of Origin: | Shaanxi, China | Brand Name: | Yunyi | Model Number: | 1151 |
Packaging Details
alibaba smart Capacitive Differential Pressure Transmitter China Standard packing(or according to the customer request)
Product Description
Specifications
alibaba smart Capacitive Differential Pressure Transmitter China1.Capacitive metal sensor
2. For gas, liquid and vapour
alibaba smart Capacitive Differential Pressure Transmitter China
Description :
Pressure or differential pressure will cause changing of capacitance value, analog signal convert to digital signal via AD and then being transfered to microprocessor, processed by microprocessor then convertted to 4~20mA analog electricity signal via DA.
Features :
Super performance, use to measure pressure, differential pressure,liquid level, rate of flow.
Accuracy: ±0.075%~±0.1%F.S
Stability: ±0.25%
Standard 4~20mA,RS-485 communication interface
Support upgrade of basic scene control technique
Application
Compatible with 316LSS,noncorrosive liquids.
Shipping and aviation industry.
Hydraulic pressure and pneumatic control system
Apply in Petroleum industry, chemical industry, electric power, metallurgy, hydrology etc process control.
Range:
Range code | Range | Measuring range | |
Min. | Max. | ||
4 | 0.374KPa | 37.4KPa | -37.4~37.4KPa |
5 | 1.868KPa | 186.8KPa | -186.8~186.8KPa |
6 | 6.9KPa | 690KPa | -690~690KPa |
7 | 20.68KPa | 2068KPa | -2068~2068KPa |
Technical Data :
Output | Analog output: two –wire 4-20mADC |
Digital output: two –wire 4-20mADC and superimposing variable digital signal accord with HART | |
Power supply | supply voltage 12.5-45VDC |
Limit load | Max load resistor Rmax in loop decided by the supply voltage, see the below drawing. HART PROTOCOL require the load resistor not less than 250Ω,not more than 600Ω |
Communication distance | Max. 1.5Km, multi-address communication can connect 15 smart transmitters Max. |
Display | 4 digital display,5 digit LCD display, pointer type. |
Explosion-proof | ExiaIICT5;explosion suppression type |
Zero offset | Can positive transfer or negative transfer, but can not overstep the utmost value |
Temperature | ambient temperature -40-85℃(When choose LCD : -20-70℃) |
Medium temperature | -40~104℃ |
Static pressure and single side overpressure | 3.45KPa(absolute pressure)~31.2MPa(gauge pressure) |
Relative humidity | 5~98%RH |
Run-up time | less than 5 sec. |
Capability change | Less than 0.16cm3 |
Damp adjust | 0.20~25 second |
Malfunction alarming | If occur malfunction, automatism diagnose function will output 3.9 or 21.0mA |
Configuration protection | To avoid the datas are modified random, can utilize software or protect switch lock the record data |
Performance Data :
Reference condition | zero is the lower limit and not offset, temperature 25℃, Atmospheric pressure, 24VDC power, silicon oil , diaphragm 316L, data adjust range the same as the up and lower limit of the range. |
Accuracy | ±0.075~±0.1% |
Stability | ±0.1%URL/year |
Tem. influence | ±(0.05%URL+0.15%FS+200Pa)20℃ |
Static pressure influence | zero error 0.1URL/6.9Mpa; Zero error 0.1URL/1.7MPa |
Vibration influence | withstand frequency 200Hz at any direction, arouse error ±0.05%URL |
Power influence | <0.005%/V |
Load influence | no load influence |
Mounting position influence | about 250Pa zero offset, can be eliminate via calibration, no range influence. |
RF interference influence | drift is ±0.1%span in the condition of 30-1000MHz frequency and the most field intensity 10V/m |
Configuration parameter:
wetted material | Diaphragm: 316LSS, Hastelloy , Monel or Tantalum Vent /drain valve:316LSS, Hastelloy , Monel or Tantalum Flange and joint : steel coated with cadmiumed ,galvanized steel, 316L SS, Hastelloy O-ring: Fluorin rubber |
other material | Filled: silicon oil Bolt: galvanized steel Electric housing: low copper and aluminium alloy. Cover O-ring: NBR Coating: polyester epoxy resin |
Pressure port | Flange connection: 1/4-18NPT Joint pressure port:1/2-14NPT |
Electrical connection | Lead tube connection: M20X1.5,1/2-14NPT |
Weight | 3.6kg(no include option parts) |
About 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.
If you need this pressure transmitter , please visit the website
skype:wangxiaoyuncalar
Company Profile
Xian 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 experience on this area, and he is one of the engineers who introduced the Rosemount technology.
We are specialized in developing pressure transmitter, etc. They are widely used in chemical, petroleum, paper, electricity, city gas, environmental protection, water treatment and other fields.
Contact Us
- Xi'an Yunyi Instrument Co., Ltd.
- Contact nameSunny Zhang
- Phone86-29-88812007
- AddressNo. 309, Building A, Ronghe Bldg., No. 218, Huancheng West Road
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