具有精度高，重复性好，寿命长操作简单等特点。 FM110 series liquid turbine flowmeter has the characteristics of high accuracy, good repeatability, long life and simple operation. It can be widely used in petroleum, chemical, metallurgy, papermaking and other industries to measure the instantaneous flow volume and total volume of liquids. It is suitable for measuring liquids in closed pipelines that do not corrode with stainless steel 1Cr18Ni9Ti, 2Cr13, corundum Al2O3, and cemented carbide, and have no impurities such as fibers and particles.
If it is matched with a display instrument with special functions, it can also perform quantitative control and over-alarm.
The sensor is suitable for mediums with a viscosity less than 5 × 10-6m2 / s at the working temperature. For liquids with a viscosity greater than 5 × 10-6m2 / s, the sensor must be calibrated with a solid solution before use.
★ High precision, long life, simple operation and maintenance,
★ Used in petroleum, chemical, metallurgy, water supply, papermaking and other industries.
★ Can output a variety of signals, such as pulse, 4 ～ 20mA two-wire analog output,
★ Optional battery-powered on-site display, 24V power-on-site display ★ Threaded connection / flange connection ★ Small pressure loss, impeller has anti-corrosion function.
具有较高的抗电磁干扰和抗震动能力，性能可靠工作寿命长。 ★ Liquid turbine flowmeter has high anti-electromagnetic interference and anti-vibration ability, reliable performance and long working life.
★ Adopting advanced ultra-low power single-chip microcomputer technology, the machine has strong functions, low power consumption and superior performance. Intelligent flow display with non-linear accuracy compensation. The accuracy of the correction formula is better than ± 0.02%.
★ The meter coefficient can be set online by keys and can be displayed on the LCD screen. The LCD screen is intuitive and clear, and has high reliability.
★ Use EEPROM to protect the accumulated flow and meter coefficient from power failure.
Basic parameters and performance indicators:
Accuracy: 0.5 level (optional), 1.0 level (standard);
Conditions of Use:
1. Ambient temperature: -20 ℃ ～ 50 ℃;
2. Relative temperature: 5% to 95%;
3. Measured medium temperature: -20 ℃ ～ 120 ℃ (high temperature optional);
4. Atmospheric pressure: 86Kpa ～ 106Kpa;
5. Maximum pressure resistance: standard pressure resistance 6.3MPa, optional pressure resistance: 25Mpa (high pressure resistance option), special pressure resistance: 35MPa
5. Explosion-proof grade: Ex dⅡ BT4 (optional).
6. Signal transmission distance: The distance from the sensor to the display can reach 1000m.
7. Output: pulse (standard), 4-20mA (optional)
8. Display: None (standard), on-site 7-digit LCD dual-row display (optional)
9. Power supply: DC5-24V;
I. Overview of liquid turbine flowmeters
LWGY series turbine flowmeter is a new generation of turbine flowmeter which is optimized by absorbing advanced technology of domestic and international flow instruments and has simple structure, light weight, high accuracy, good reproducibility, sensitive response, convenient installation and maintenance, etc. In the measurement of closed pipelines, it has no corrosion with stainless steel 1Cr18Ni9Ti, 2Cr13, corundum Al2O3, hard alloy, and has no impurities such as fibers and particles. At working temperature, the liquid with a kinematic viscosity of less than 5 × 10-6m2 / s has a kinematic viscosity greater than 5 × 10-6m2 / s liquid, which can be used after the liquid calibration of the flowmeter. If it is matched with a display instrument with special functions, it can also perform quantitative control and over-alarm. It is an ideal instrument for flow measurement and energy saving. This product contains pulse output, current signal output, internal lithium battery power supply and other forms to meet the various needs of users. The instrument is low in price, high in integration, and small in size. The product is also suitable for use with computer control systems such as secondary displays, PLC, and DCS.
产品特点 Product characteristics of liquid turbine flowmeter
1. High accuracy, generally up to ± 1% R, ± 0.5% R, high precision type can reach ± 0.2% R; 2. Good repeatability, short-term repeatability can reach 0.05% ~ 0.2% Good repeatability, such as frequent calibration or online calibration can get very high accuracy, is the preferred flowmeter in trade settlement; 3. Output pulse frequency signal and 4-20MA current signal, suitable for total measurement and and Computer connection, no zero drift, strong anti-interference ability; 4. Can get very high frequency signal (3-4kHz), strong signal resolution; 5. Wide range, medium and large caliber can reach 1:20, small caliber is 1:10; 6. Compact and lightweight structure, convenient installation and maintenance, large circulation capacity; 7. Applicable to high-voltage measurement, no need to open holes in the meter body, easy to make high-voltage instruments; 8. There are many types of special-purpose sensors, according to users Special needs are designed as various types of special sensors, such as low temperature type, two-way type, downhole type, special type for sand mixing, etc .; 9. Can be made into plug-in type, suitable for large-caliber measurement, small pressure loss, low price, and can continuously flow Take out, easy to install and maintain.