4 20ma умный взрывозащищенный преобразователь давления росемонт 3051, датчик давления (1600495505153)

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Promesstec 3051 4-20ma smart explosion-proof  for high temperature pressure wtih digital display 

Product Description

DMP4 series explosion-proof pressure transmitter, using digital circuit compensation technology, piezoresistive transducer core, and flat film series measuring terminal using special treatment of solid flat diaphragm, hard particles in the medium under test will not damage the isolated flush diaphragm. Compact structure, corrosion resistance, vibration resistance, corpuscle impact resistance, wide range temperature compensation. The shell is made of stainless steel. Enclosure IP grade is IP65,with LCD display, corrosion resistance, wide range temperature compensation, good linearity, anti-polarity protection, instantaneous overcurrent, overvoltage and anti-interference protection measures. It is applied to fluid pressure measurement and control in hydraulic, oil field, mine, chemical industry, electric power, boiler, natural gas and other automation fields.


Mechanical Engineering Application

Measurement of all kinds of water pressure and air pressure

Medical and health application

Food and beverage processing industry

General work control fields

0. Feature

0...0.2bar to 0...2000barpressure range measurement/multiple work standard signal output optional/multiple electric connector modes can be selected

Concise shape design, high performance cost ratio /can be required to increase zero and full adjustment function/multiple pressure interfaces can be selected.

Technical specifications


0-1 Mpa~200Mpa

Combined Accuracy

0.25%FS; 0.5%FS; 1%FS


Full range of 0.2%FS


Full range of 0.05%

Output signal

4-20mA (two-wire system), 2MV/V, 0-5V; 0-10V (three-wire system);

Supply voltage

24(12~36)VDC (amplifying signal)

Operating temperature range


Compensation temperature range


Load pressure


Dielectric material

Pressure joint material is SS, shell material is SS or hard aluminium optional

IP grade Electrical connector

Hirschmann(DIN43650), Enclosure protectionIP65;Waterproof Gland, Enclosure protectionIP68;Aviation plug-in, Enclosure protectionIP45;

Pressure connector

G1/4.G1/2, 1/2NPT, 1/4NPT, M12*1.5 etc. clamp type(customer design)

Zero & full span adjustment

This function can be added as required, with external (side and top) and internal adjustments, but the shape and size will be changed.


Example of ordering







mounting screw thread

Electrical connector

Lead length


Output signal










(G4)G1/4,(G2) G1/2, (M20) M20 x 1.5, 

(N2)1/2NPT, (K) customer design

(S)Hirschmann(G)Gland lead(H)Aviation plug-in

(Empty)no leads(1)1meter(2)2meter(3)3meter(4)4meter(5)5meter

can be customized

(0-2000) 0-35Bar-0-2000Bar for example 10bar=10

(M2)2mV/V, (M3) 3.33mV/V (M)4-20mA (V)0-10V

(A)0.25% (B)0.5% (C)1%

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Changsha Luosen Automation Technology Co., Ltd. is headquartered in Changsha, Hunan, and the company is based on Promesstec. It is a technology-oriented enterprise specializing in R&D, production and sales services of A.S (automatic sensing technology). Changsha Luosen is committed to building domestic high-tech sensing technology products, combining German core sensing technology with China's localized market demand, contributing its own meager strength to the domestic sensor market, especially in the field of process automation..

Changsha Luosen's clients include Fortune 500 companies, government agencies, integrated divisions and distributors to meet the diverse market needs of manufacturing and industry. Changsha Luosen's products are mainly used in: plastic machinery, chemical fiber machinery, petrochemical, water treatment engineering, power plants, aerospace, air compressors, air conditioners, automobiles, plastics, packaging. Medical, electronics, chemical, rubber, textile and food packaging. All of our customers have a common need: to get reliable products from trusted companies. Our products have been successfully applied in many fields in Italy, the United States, Germany, Canada, the United Kingdom, Austria, Malaysia, India, Pakistan, Singapore, Japan, Australia, etc. This proves that we have reliable products and quality products. service.

Changsha Luosen will continue to attach importance to the reliability, stability and accuracy of its products, helping customers to achieve tangible needs, win-win cooperation and create value






Q: When will you give us a response  

A: We will contact with you within 1 hour

Q: Can we visit your factory?

A: You will be warmed welcomed to visit our factory 

Q: How about the management quality?

A: We have complete quality control system, and all the products will be inspected by QC department before delivery.

Q: How about the payment?

A: T / T,Paypal,WU,Credit Assurance,etc are accepted. You will receive full protection of your order, please click on trade guarantee for more details. 
Q: If we make a payment, when will you start the production?

A: As soon as we receive the payment, we will arrange the production.






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