Product Summary:

ZFG high-precision electromagnetic flowmeter can achieve an accuracy of 0.2%, with high precision and a flow measurement range of up to 150:1. ZFG high-precision electromagnetic flowmeter can be used to measure the volumetric flow rate of conductive fluids in closed pipelines. Widely used for flow measurement and control in industrial and agricultural production processes such as petrochemicals, steel metallurgy, water supply and drainage, water conservancy irrigation, water treatment, environmental wastewater measurement and control, papermaking, pharmaceuticals, food, etc.

High precision electromagnetic flowmeter

ZFG seriesHigh precision electromagnetic flowmeterProduct type and composition

The electromagnetic flowmeter consists of two main parts: an electromagnetic flow converter and an electromagnetic flow sensor. The separated type also requires a dedicated double-layer shielded cable to connect the converter and sensor. The ZF-D series high-precision electromagnetic flowmeter is divided into integrated and

There are two structural forms of separation. Can be used in designated explosion-proof locations. The sensor has 7 different electrode materials and 4 different lining materials to choose from.

High precision electromagnetic flowmetercharacteristic

ZFG seriesHigh precision electromagnetic flowmeterIt has the following characteristics:

The linear measurement principle can achieve high-precision measurement without being affected by changes in fluid density, viscosity, temperature, pressure, and electrical resistivity;

There is no obstruction in the measuring tube, with low pressure loss and low requirements for straight pipe sections;

The nominal diameter of DN6-DN2000 has a wide coverage range, with multiple options for lining and electrodes, which can meet the requirements for measuring various conductive fluids;

The converter adopts programmable low-frequency rectangular wave excitation, which improves the stability of flow measurement and reduces power loss;

The converter adopts a 16 bit embedded microprocessor, fully digital processing, fast operation speed, strong anti-interference ability, reliable measurement, high accuracy, and a flow measurement range of up to 1500:1;

High definition backlit LCD display, full Chinese character menu operation, easy to use, simple to operate, easy to learn and understand;

Capable of outputting RS485 or RS232 digital communication signals;

It has conductivity measurement function, can distinguish whether the sensor is empty, and has self checking and self diagnostic functions;

Adopting SMD devices and surface mount (SMT) technology, the circuit has high reliability;

Can be used in corresponding explosion-proof situations.

ZFG seriesHigh precision electromagnetic flowmeterMain purpose

The ZFG series high-precision electromagnetic flowmeter can be used to measure the volumetric flow rate of conductive fluids in closed pipelines. Widely used in petrochemical industry, steel metallurgy, water supply and drainage, water conservancy irrigation, water treatment, and environmental wastewater treatment

Flow measurement and control in industrial and agricultural production processes such as measurement and control, papermaking, pharmaceuticals, and food.

ZFG seriesHigh precision electromagnetic flowmeterEnvironmental conditions for use

Environmental temperature: Sensor -25 ℃~+60 ℃ Converter -10 ℃~+60 ℃

Relative temperature: 5% -95%

ZFG seriesHigh precision electromagnetic flowmeterworking conditions

Maximum fluid temperature: Integrated 70 ℃

Separate type: PTFE lining at 150 ℃

Chloroprene rubber lining at 80 ℃

Polyurethane rubber lining at 70 ℃

Fluid conductivity: ≥ 5uS/cm

ZFG seriesHigh precision electromagnetic flowmeterTechnical performance indicators

Hospitality standard: JB/T9248-1999

Maximum flow velocity: 15m/s

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

Accuracy: 0.5%, 0.2%

Nominal pressure: 4.0MPA (DN10-150)

1.6MPA(DN200-600)

1.0MPA(DN700-1200)

0.6MPA(DN1400-2000)

Other specifications and standards can be customized according to user requirements

Material: electrode form and material

Electrode forms can be divided into standard type, scraper type, detachable type, and grounded electrode

There are seven types of electrode and grounding electrode materials, including molybdenum containing stainless steel, Hastelloy B, Hastelloy C, titanium, tantalum, platinum based alloys, and stainless steel coated tungsten carbide.

Flange material: Carbon steel

Grounding ring material: stainless steel

Entry protection ring material: stainless steel, carbon steel.

Shell protection: IP65:

IP68: Only sensors with separate chloroprene rubber and polyurethane lining, and does not include explosion-proof structures.

Explosion proof standard: DN15-DN600 integrated explosion-proof: md II BT4

DN15-DN1600 separated explosion-proof, sensors and converters are installed in the corresponding hazardous area md II BT4

DN15-DN1600 split explosion-proof, sensor installed in the corresponding hazardous area, converter installed in the safe area: md II BT4

Connection cable: The split type electromagnetic flowmeter is connected to the sensor and converter with a signal cable. The longest cable length should be less than 100MM. Our company provides a free 10M cable with the meter, and any shortfall needs to be ordered.

Converter performance: Converter display and programming operation: 4 thin film buttons can be used to set and select all parameters, and the converter can also be programmed using an external controller or PC (RS485, RS232) for high-definition settings

Backlit LCD display, air traffic control detection, self disconnection function.

Power supply: single-phase AC 85-265V, 45-63Hz, power less than 20W; DC power supply 11-40VDC

Current output: bidirectional two-way, fully isolated 0-10mA/4-20mA; Load resistance: 0-10 mA is 0-1.5K ohms, and 4-20mA is 0-750 ohms.

Frequency output: forward and reverse flow output, with an upper limit of output frequency that can be set within the range of 1-5000 Hz. Bipolar output of transistor collector with photoionization. The external power supply should not exceed 35V, and the maximum collector current when conducting is 250 mA.

Pulse output: forward and reverse flow output, with an output pulse upper limit of up to 5000cp/s. Pulse equivalent of 0.001L-1.0m³/CP. The pulse width is automatically set to 20ms or square wave. Open circuit output of transistor collector with photoelectric isolation.

The external power supply should not exceed 35V, and the maximum collector current when conducting is mA.

Flow direction indication output: This flowmeter can measure the fluid flow rate in both positive and negative directions. And it can determine the direction of fluid flow. When displaying forward flow, output a high level of+10V, and when displaying reverse fluid flow, output a low level of 0V.

Alarm output: Two transistor collector open circuit alarm outputs with photoelectric isolation. The external power supply is not greater than 35V, and the maximum collector current when conducting is 250mA. Alarm status: fluid empty pipe, excitation disconnection, flow rate exceeding limit.

Damping time: selectable in stages between 0-100 seconds.

Related information:Key points for selecting electromagnetic flow meters，Introduction to electrode materials for electromagnetic flowmeter，Introduction to Lining Materials for Electromagnetic Flowmeters

Xi'an Yunyi Electromagnetic Flow Meter，What are the general laws of fluid flow in pipelines?，How to choose the installation location of electromagnetic flowmeter?