Product Description
Vortex flowmeters are mainly used for flow measurement of industrial pipeline fluids, such as gases, liquids, vapors and other media. It is characterized by small pressure loss, large measuring range, and high accuracy. It is hardly affected by fluid density, pressure, temperature, viscosity and other parameters when measuring volume flow under working conditions. There are no movable mechanical parts, so the reliability is high and the maintenance is small. The instrument parameters can be stable for a long time. The vortex flowmeter adopts piezoelectric stress sensor, which has high reliability and can work in the working temperature range of -20℃～+250℃. It has analog standard signal and digital pulse signal output. It is easy to use with digital systems such as computers. It is a relatively advanced and ideal measuring instrument.
Technical Parameter
| Product number | GMF603-M |
| Measuring medium | Liquid, gas, steam (saturated steam, superheated steam) |
| Accuracy class | Gas uncompensated type: DN15-DN25--1.5 grade, DN32-DN200--1.0 grade, DN250-DN300--1.5 grade; Liquid non-compensated type: DN15-DN300-- Class 1.0; Temperature and pressure compensation type: DN25-DN300---1.5; |
| Medium temperature | -40°C- +260°C |
| Output signal | Voltage frequency pulse (low level≤1V, high level≥6V), 4-20mA output (load resistance≤3000) |
| Communication Interface | RS485, HART optional |
| Body material | Stainless steel (for special customization, please contact online customer service) |
| Protection level | IP65 |
| Power supply | Lithium battery 3.6VDC (battery life is greater than 2 years), 24VDC ±5% |
Parameters and requirements
◆Measuring medium: gas, liquid, steam
◆Connection mode: flange card mounting type, flange type, plug-in type
◆Caliber specifications: flange card-mounted caliber selection 25, 32, 50, 80, 10
◆Flange connection type diameter selection 100, 150, 200
◆Flow measurement range Normal measurement velocity range Reynolds number 1.5×104～4×106; gas 5～50m/s; liquid 0.5～7m/s
Normal measurement flow range The liquid and gas flow measurement range is shown in Table 2; the steam flow range is shown in Table 3
◆Measurement accuracy 1.0 grade 1.5 grade
◆The temperature of the measured medium: normal temperature -25℃～100℃, high temperature -25℃～150℃ -25℃～250℃
◆Output signal Pulse voltage output signal High level 8～10V Low level 0.7～1.3V
◆The pulse duty cycle is about 50%, and the transmission distance is 100m
◆Pulse current remote transmission signal 4～20 mA, transmission distance is 1000m
◆Instrument use environment Temperature: -25℃～+55℃ Humidity: 5～90% RH50℃
◆Material Stainless steel, aluminum alloy
◆Power supply DC24V or lithium battery 3.6V
◆Explosion-proof grade Intrinsically safe type iaIIbT3-T6, protection grade IP65
The main function
1. The temperature and pressure compensation function is integrated in the meter body at the same time, which can measure the standard volume flow or standard mass flow of the fluid.
2. Fully intelligent and digital circuit design, which can automatically compensate the density of the measured fluid or volume calculation under standard conditions.
3. The new digital filtering and correction functions make the flow measurement more accurate and reliable.
4. The battery-powered type can work continuously for more than two years without external power supply.
5. Brand new dot matrix LCD display of Chinese characters, which is more convenient to use and operate.
Common solutions for steam metering
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Liquid Split Steam Hot Water Pipeline Vortex Flowmeter Images
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