Product Introduction:
AMF series mass flowmeter of OKet adopts Coriolis force principle to design, develop and produce, mainly composed of two parts: sensor and transmitter. It is used to accurately measure the mass flow, density and temperature of fluids.
AMF mass flowmeter structure:
AMF series mass flowmeter of OKet is mainly composed of two parts: sensor and transmitter
Transmitter composition
It is composed of circuit module, casing, outlet device and other parts.
Transmitter function
Provide an excitation signal for the sensor drive system to make the measuring tube vibrate;
Calculate mass flow, density, temperature and other parameters according to the sampling signal returned
by the sensor sampling system;
Display the parameters through LCD screen in place in real time;
The data can be transmitted to the secondary instrument through 4-20mA, pulse, RS485 and other
methods.
Sensor Composition
It is composed of connecting flange, shunt, measuring tube, drive system, sampling system, platinum
resistor, casing, outlet device and other parts.
Sensor function
Provide a rotating system environment for measuring Coriolis force (put the fluid in this environment);
Provide relevant physical quantities reflecting the magnitude of the Coriolis force
AMF Mass Flowmeter Features:
Intuitive and direct display of mass flow, mass total, volume flow, volume total, density, temperature, who can directly replace volume flowmeter.
Characteristics:
01 :High accuracy, can be used for trade handover
High mass accuracy
Sensor mechanical structure optimization, transmitter circuit and algorithm optimization;
The mass measurement error is better than ±0.1%, and the repeatability is better than ±0.03%.
High density accuracy
Real-time high-accuracy online measurement, the measurement error is better than ±0.0005 g/cm³;
No need to open tanks and take samples, it’s safe, convenient, reliable, and environmentally friendly;
Eliminate manual measurement and improve work efficiency.
High temperature accuracy
High-accuracy platinum resistance temperature measurement, algorithm optimization, measurement error better than ±0.2°C.
Range ratio 20:1
Digital algorithm, high measurement accuracy at low flow rates.
02 :Applicable to a variety of media and process conditions
Applicable to a variety of fluids and gases, only the installation method is different.
Applicable to a variety of flow ranges and process conditions.
03 :Independent research and development, advanced functions
Intuitive and direct display of mass flow, mass total, volume flow, volume total, density, temperature, who can directly replace volume flowmeter.
The equipment has a self-diagnosis function, which can quickly find, locate and deal with problems. It can ensure data reliability and prolong effective service time.
The form of data upload is flexible, and it can be remotely transmitted to the designated system in real time.
The data exchange with other equipment is convenient, and it can be interconnected with interlocking equipment such as batch controllers and process controllers.
04 :Good stability and long life
High sampling rate, short response time and good consistency.
The structure, circuit and algorithm are better, and the zero point stability is good.
The quality control of raw materials and manufacturing links is strict and the quality is good.
There are no obstructing parts and moving parts inside, no wear and tear, so there will be a long service life (the design service life is 12 years).
AMF mass flowmeter parameters:
Mass flow accuracy:
Mass flow error | Within the range ratio of 20:1 | ±0.1% |
Mass flow repeatability | Within the range ratio of 20:1 | 0.03% |
Volume flow error | Within the range ratio of 20:1 | ±0.1% |
Mass flow rate range:
Product model | Nominal mass flow | Maximum mass flow |
kg/h | kg/h | |
AMF015(DN15) | 3500 | 5600 |
AMF025(DN25) | 16000 | 25600 |
AMF050(DN50) | 47000 | 75200 |
AMF080(DN80) | 140000 | 210000 |
AMF100(DN100) | 190000 | 256500 |
AMF150(DN150) | 400000 | 520000 |
Mass flow range ratio and Accuracy:
Range ratio | 60:1 | 20:1 | 10:1 | 1:1 |
Accuracy (±%)* | 0.25 | 0.1 | 0.1 | 0.1 |
Pressure drop (MPa) | ~0 | 0.0015 | 0.006 | 0.1 |
Density and temperature accuracy:
Density | Density measurement range | 0.2~2.0 g/cm3 |
Density | Density basic error | ±0.0005 g/cm3 |
Density | Density repeatability | 0.0002 g/cm3 |
Temperature | Temperature measurement range | -60~204 ℃ |
Temperature | Temperature basic error | ≤±0.2 ℃ |
Environmental restrictions:
Environmental vibration (conform to GB/T2423.10 standard) | Frequency Range | 10~2kHz |
Environmental vibration (conform to GB/T2423.10 standard) | Acceleration amplitude | 2g |
Environmental vibration (conform to GB/T2423.10 standard) | Number of cycles | 50次 |
Ambient temperature | Stored temperature | -45~70 ℃ |
Ambient temperature | Operating ambient temperature | -40~60 ℃ |
Ambient temperature | Measuring medium temperature | -40~204 ℃ |
Environment humidity | Storage humidity | <95% (no condensation) |
Environment humidity | Operating environment humidity | <95% (no condensation) |
Installation diagram and precautions:
The installation method should be determined according to the fluid phase and its on-site working conditions, which are mainly divided into the following three types:
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