Home > Products > Density meter > China industry high quality 4-20mA with HART output acid density meter
China industry high quality 4-20mA with HART output acid density meter
- 1000 Piece / Pieces per Month
- Shanghai
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Product Details
Place of Origin: | Shanghai, China | Brand Name: | Enbang | Model Number: | EB3351MD |
Product Description
Intelligent online density meter
1.Overview
Automatic measuring instrument for on-line measurement of the density of a variety of liquid or liquid mixtures by a smart online density meter. Widely used in the oil, oil refining, oil and water interface detection in the food industry, it is used in the detection of grape juice, tomato juice, fruit syrup, vegetable oil and soft drinks. In the chemical industry, it is also used in the detection of cleaning agent, ethylene glycol, urea and polymer density. It is also widely used in pharmaceutical industry, dairy industry, mining industry, etc.
The smart online density meter can be continuous on-line measurement of liquid density, no process interruption, can be directly used in the production process control. The integration of the two wire transmitter structure, no moving parts, simple maintenance and convenient installation and use.
2.Working principle
Intelligent online density meter is essentially a differential pressure transmitter. Its working principle: the pressure of a certain height of liquid column is proportional to the density of the liquid.
P=ρgh: P -- Pressure of a certain height of liquid column
ρ - The liquid density
g - Measurement of earth gravity acceleration
h - Height of liquid column
According to the pressure measured by the pressure gauge, the density value of the measured liquid can be obtained under the condition that the gravity acceleration and the height of the liquid column as the known conditions.
3.Technical parameters
* Density measurement range: (0~2) g/cm3
* Accuracy: 0.2%, 0.5%
* Resolution: 0.005g/cm3
* Operating voltage: (18.5~45) DC V (common DC 24V, load 250)
* Environment temperature: (-10~60)
* The ambient humidity: (5~90)%RH
* Output signal: (4~20) mA (HART).
* Meter display: LCD / LED digital display, LCD intelligent display
* Mechanical installation: flange connection, clamp connections
4.The main characteristics
Excellent over voltage protection structure, excellent temperature stability, full welding sealing, reliable design
* Suitable for measuring high temperature and low temperature, high viscosity medium containing impurities
* Fixed insert type diaphragm design, factory calibration, convenient field configuration
* Density measurement for the tank, pipe, flow, or stationary medium
* Intrinsically safe type can be used for dangerous environment
* Health type can be used in food, pharmaceutical production site
5.Using method
5.1 Installation method
There are two types of smart online density meter in the structure, which is the top mounting type and the side mounting type. The top mounting type is suitable for the installation of the tank, and the side mounting type is suitable for the pipe installation, in order to meet the requirement of the density measurement under different working conditions.
Installation type | Insert depth A (mm) | Takes the center diaphragm distance B (mm) | Lateral width C (mm) |
Top mount | 850 | 500 | / |
Side mount | 700 | 500 | 150 |
(Note: A, C, B size can be manufactured separately according to customer requirements)
5.2 Field wiring
Field wiring diagram of intelligent online density meter
5.3 Read density values
Intelligent online density meter factory, the display meter reading is for the measurement of real density value, can be directly read.
With (4~20) mA current output of the density meter, the 4mA corresponding to the density meter density measurement of the lower limit, while the 20mA is corresponding to the density meter density measurement of the upper limit value. According to the current value of the actual measurement, the current value corresponding to the upper and lower limit of the density meter is converted to the corresponding density value. The current value obtained by the actual measurement should be converted according to the current value corresponding to the upper and lower limit of the density meter. For example, the lower 4mA output corresponding to the density value of 0g/cm3, the upper bound 20mA output corresponding to the density of 2g/cm3, the corresponding density value, then: (2-0) x (12-4) / (20-4) =1 (g/cm3)
6, installation structure diagram
Figure A Figure B
Pipeline installation Side mounted type
Figure C Figure D
Insert straight Insert bend
7. Note
7.1 Smart online density meter for automatic precision measuring instrument, its measuring diaphragm in addition to being measured pressure shall not bear any other external force.
7.2 In the installation of smart online density time, should ensure that the vertical installation (vertical to the ground plane, that is, the measurement of the degree of confidentiality of the column is perpendicular to the horizontal plane), otherwise it will produce the measurement error.
7.3 When ordering, should be clearly stated in the measurement medium, measurement range, the use of gravity acceleration (or indicate the use of the region name) and the use of field conditions (such as: explosion-proof, anti-corrosion, health, etc.).
1. What are your main products?
A:We have a complete quality control system, all of our products will be fully pre-inspection by QC departments before shipping.
A: We need to know the following info:
- Medium information (such as Liquid or gas,etc)
- Output signal (such as 4-20mA)
4. What’s your production capacity and can you offer free samples?
A: Our production capacity is about 6,000 pieces per month, we can offer free samples, however ,you need pay for the samples first, and we will return it after you order the bulk orders.
A: For small orders (less than 20 pieces), we can deliver within 7 working days, for bulk orders, we usually need 15 working days Special accessories, order cycle may be longer . But if you need goods urgently, we can arrange expedited production.
A: We accept the payment terms: L/C,TT, Western Union, Money Gram, etc.
Accept: Air,sea and land transportation.
Shanghai enbang Automation Instrument Co., Ltd. (hereinafter referred to as Enbang instrument), has always been committed to in the field of pressure measurement, uphold the spirit of technical innovation and management innovation, with rich sensor R & D and production experience, advanced production and testing equipment and technology, strict testing process sequence, to provide customers with high quality sensors, transmitters and related technical services, superior product quality, perfect service, let us deeply trusted by users.
Enbang instrument advanced experience at home and abroad, to capture a number of technical difficulties in the production of transmitter. Anaerobic type sintering technology, the use of oxide layer problem solve the transmitter pressure sensor filled pipe and glass sintering; pressure sensor and core diaphragm using computer to locate and tensioning technology, the accuracy, static pressure performance and high overload capacity is improved; part of the circuit adopts advanced isolation technique, power supply terminal with isolation transformer and signal terminal with optical coupler isolation. The pressure transmitter has a good anti-jamming capability, to ensure the reliability and stability of the product.
In 10 years, enbang instrument has been with honest and trustworthy, pragmatic, innovative "spirit of enterprise, learning at home and abroad advanced knowledge and technology and business management experience, and constantly improve the management level and the innovation ability of enterprises," excellent products, superior quality, excellent management, excellent service "to meet customer demand, enable us to have a competitive advantage in the sensor industry, provides a guarantee for the sustainable development of enterprises.
Contact Us
- Shanghai Enbang Automation Instrument Co., Ltd.
- Contact nameJonnas Zhu
- Phone086-021-64908059
- Address3102, Bldg. 3, No. 118, Lane 315, Yuanqu North Road
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