Electromagnetic Flowmeter-Not Affected by Changes in Fluid

• After-sales Service: We Offer You a 1-5 Years Warranty on Our High-Qual
• Warranty: 12 Months
• Accuracy: ≤±0.1%
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Ef-DN
• Main Application: Water
• Size: DN100-500
• Sensor: Tube/Flange
• Application: Transportation
• Type: Vortex Flow Meter
• Measuring Media: Liquid
• Measuring Principle: Mechanics
• Measurement Object: Closed Pipeline
• IP: IP65/IP67/IP68
• Transport Package: Carton Box
• Specification: set
• Trademark: NO
• Origin: China
• Production Capacity: 100000

Product Description

 Electromagnetic flowmeter
1. Product features, uses and scope of application
1.1 Features
Electromagnetic flowmeter has the following characteristics:
• Not affected by changes in fluid density, viscosity, temperature, pressure and conductivity, the linear measurement principle can achieve high-precision measurement;
• There are no obstructive parts in the measuring pipe, the pressure loss is small, and the requirements for straight pipe sections are low;
•Nominal diameter DN6-DN2000 covers a wide range, and there are many options for lining and electrodes, which can meet the requirements of measuring various conductive fluids;
•The converter adopts low-frequency rectangular wave excitation with programmable frequency, which improves the stability of flow measurement and reduces power loss; •The converter adopts 16-bit embedded microprocessor, full digital processing, fast operation speed, strong anti-interference ability, and reliable measurement , high precision, the flow measurement range can reach 150: 1;
•High-definition backlit LCD display, full Chinese character menu operation, easy to use, easy to operate, easy to learn and understand;
• With RS485 or RS232 digital communication signal output;
•It has the function of conductivity measurement, which can judge whether the sensor is empty; it has the function of self-test and self-diagnosis;
• Using SMD devices and surface mount (SMT) technology, the circuit has high reliability;
•Can be used in corresponding explosion-proof occasions.
1.2 Main purpose
Electromagnetic flowmeters can be used to measure the volume flow of conductive fluids in closed pipes. It is widely used in flow measurement and control in industrial and agricultural production processes such as petroleum, chemical industry, iron and steel metallurgy, water supply and drainage, water conservancy irrigation, water treatment, environmental protection sewage measurement and control, papermaking, medicine, food, etc.
1.3 Use environmental conditions
Ambient temperature: Sensor -25cO~+60c Converter -10cO~+60X:
Relative humidity: 5% -95%
1.4 Working conditions
Maximum temperature of fluid: 70°C for integral type
Separate type: PTFE Lining: -30~+150P
Neoprene lining: -20~+60P Polyurethane rubber lining: -20~+60P
Fluorosilicone lining: -20~+180P
Fluid conductivity: 5uS/cm
3. Product type and composition
3.1 Product Composition
The electromagnetic flowmeter is composed of two parts: the electromagnetic flow converter and the electromagnetic flow sensor. The separate type also needs a special double-shielded cable to connect the converter and the sensor.
3.2 Product type
Electromagnetic flowmeters are divided into two structural forms: integrated type and separate type. It can be used in specified explosion-proof places. The sensor is available in 7 different materials for the electrodes and 4 different materials for the lining.
4. Product technical performance indicators
4.1 Executive standard: JB/T9248-1999
4.2 Maximum velocity: 15m/S
4.3 Nominal diameter: DN3, 6, 10, 15, 20, 25, 32, 40, 50, 65, 80, 100, 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800 , 900, 1000, 1200, 1400, 1600, 1800, 2000
4.4 Accuracy: 0.5%, 1.0%
4.5 Nominal pressure: 4.0MPa (DNI0~150)
1.6MPa (DN200~600)
1.0MPa(DN700~1200) 0.6MPa(DNI400~2000) Other specifications and standards can be requested by users.
4.6 Materials:
Electrode form and material:
The electrode form can be divided into standard type, scraper type, detachable type, with grounding electrode,
Electrode and grounding electrode materials include 316L, Hastelloy B, Hastelloy C, titanium, lithium, pliers alloy, stainless steel coated with calcium carbide, 7 kinds,
Flange Material: Carbon Steel
Grounding Ring Material: Stainless Steel
Door protection ring material: stainless steel, carbon steel.
4.7 Shell protection:
IP65:
IP68: only separate neoprene and polyurethane lined sensors, and does not include explosion-proof construction.
4.8 Explosion-proof standard:
DNI5~DN600 integrated explosion-proof: mdHBT4
DNI5~DN1600 separate explosion-proof, the sensor and converter are installed in the corresponding dangerous area: md D BT4
DNI5-DN1600 separate explosion-proof, the sensor is installed in the corresponding dangerous area, and the converter is installed in the safe area: mdIIBT4 4.9 Connecting cable: separate electromagnetic flowmeter, the sensor and the converter are connected by a signal cable, the longest cable length should be less than 100m, the company provides free 10m cable with the watch, the short part needs to be ordered.
4.10 Converter performance:
Power supply: single-phase AC 85-265V, 45~63Hz, power less than 20W; DC power supply 11~40VD.C converter Display and programming operation: 4 film buttons can be set to select all parameters, and an external handheld operator can also be used Or PC (RS485, RS232) to program the converter setting; high-definition backlight LCD display; empty pipe detection; self-diagnosis function.
Digital communication: RS485, RS232, MODBUS, REMOTE, with lightning protection.
output signal:
Current output: two-way two-way, fully isolated 0~10mA/4~20mA; load resistance: 0-1.5k ohms at 0~10mA, 0~750 ohms at 4~20mA.
Frequency output: Forward and reverse flow output, the upper limit of the output frequency can be set within the range of 1-5000Hz. Transistor collector bidirectional output with photoelectric isolation. The external power supply is not greater than 35V, and the maximum collector current is 250mAo when it is turned on
Pulse output: Forward and reverse flow output, the upper limit of output pulse can reach 5000~p/s. When the pulse is 0.001 L~1.0m7CPo, the pulse width is automatically set to 20mS or square wave. Transistor open-collector output with opto-isolation. The external power supply is not greater than 35V, and the maximum collector current is 250mA when it is turned on;
Flow direction indication output: This flowmeter can measure the flow rate of fluid flow in positive and negative directions, and can judge the direction of fluid flow. It is stipulated to output + 10V high level when displaying positive flow, and output 0V low level when reverse fluid flow.
Alarm output: two transistor open-collector alarm outputs with photoelectric isolation. The external power supply is not greater than 35V, and the maximum collector current is 250mA when it is turned on. Alarm status: fluid empty pipe, excitation disconnection, flow exceeding limit.
Damping time: selectable in stages between 0-100S

 

What are the raw materials used?
The main materials used in  world-renowned electrical components. We can also make any custom design for you according to your needs.

How long does it usually take for me to receive the equipment?
Depends on whether you want to do customization your abrasive or not, and also depends on the speed of customs clearance and logistics, but we can guarantee to ship regular abrasive machine in less than 30 business days.

Any benefits for abrasive machine from China?
In a word, China has a much better industry chain. There may be manufacturers of abrasive and packaging in India, Vietnam and Malaysia, but HG-Abrasive can guarantee that our prices can be on par with theirs and our quality, service far exceeds your expectations.

When can I get an engineer from you?
Contact our sales staff when you have completed the preparation conditions (water, electricity, air supply, production materials). We will send an engineer to install your machine and train your staff to use it. Usually, when you are ready, you can contact our sales staff and cooperate with us to get a visa for the engineer, who will arrive within 15 days.

What about the details of the packaging?
To ensure the integrity and safety of product packaging, main products are packed in plastic film or export plywood boxes, and auxiliary products are packed in thick cartons.

Do you provide customized service?
We can design the machine according to your requirements (material, power, size, etc.). We will also provide you with expert guidance at the same time, based on our many years of experience in the industry.

How will my machine be installed once it arrives? How much does it cost?
We'll dispatch an engineer to your facility to assess the situation, install the machine and train your staff on how to operate it. The customer pays for round trip airfare, accommodation and USD100/day/person.

Are you a manufacturing or a trading company?
We are a factory, and we offer factory direct prices with excellent quality and worry-free service. Please come and see us here!

What is your guarantee or warranty if we buy your machine?
We offer you a 1-5 years warranty on our high-quality machines and lifetime technical support.