Ultrasonic flowmeter features
The unique signal digitization processing technology makes the meter measurement signal more stable, anti-interference ability and more accurate measurement.
No mechanical transmission parts are not easily damaged, maintenance-free and have a long service life.
The circuit is more optimized, with high integration, low power consumption and high reliability.
Intelligent standard signal output, friendly man-machine interface, multiple secondary signal output, for you to choose.
Pipe-section small pipe diameter measurement is economical and convenient, and the measurement accuracy is high.
Detailed installation of ultrasonic flowmeter
Ultrasonic flowmeters should be aware of the site prior to installation, including:
1. What is the distance from the host at the installation of the sensor;
2. Pipe material, pipe wall thickness and pipe diameter;
3. Years of pipeline;
4. The type of fluid, whether it contains impurities, bubbles and whether it is full;
5. Fluid temperature;
6. Whether there is interference source at the installation site (such as frequency conversion, strong magnetic field, etc.);
7. Four seasons temperature at the host place;
8. Whether the power supply voltage used is stable;
9. Do you need remote signals and types;
According to the site conditions provided above, the manufacturer can configure the site conditions and, if necessary, special models.
Ultrasonic flowmeter performance characteristics
Measuring liquid: single fluid such as water, seawater, alkali, etc., turbidity less than 10000ppm, particle size less than 1mm
Pipe material: Ultrasonic penetrating full pipe such as steel, cast iron, PVC pipe, dense texture, no serious corrosion and scaling, allowing thin layer of dense lining
Pipe lining material: rubber, epoxy asphalt, fiberglass, mortar, etc., or unlined
Pipe diameter range: DN15mm~6000mm, plug-in sensor for pipe diameter DN25mm~6000mm
Flow rate range: -32m/s~0~+32m/s, bidirectional flow
Accuracy: ±1.0% of displayed value (under standard conditions). Configure plug-in sensor accuracy up to 0.5%
Linearity: 0.5%.
Signal output: 4-20mA or 0-20mA RS-485
Sensor: It is divided into external clip type and plug-in type. The standard configuration is clip-on. The maximum operating pressure of the plug-in sensor is 3 MPa.
Straight pipe length: upstream >10D, downstream >5D from pump outlet >30D (D: pipe diameter)
Display mode: 2*20 character LCD display with LED backlight
Protection level: IP65
Explosion-proof grade: ExdIIBT4
Fixed ultrasonic flowmeter power supply: AC110V, AC220V, DC8~36V or AC7~30V
Ambient temperature / humidity: Host -20 ° C ~ +80 ° C; sensor -20 ° C ~ +80 ° C or -20 ° C ~ +160 ° C optional, the sensor can be immersed in water, water depth less than 2m.
Intelligent GPRS MAG flow meter features
☆ Timing acquisition of electromagnetic flowmeter data: The electromagnetic flowmeter is used to send a data mode to the host every hour.
The data includes:
(1) Instrument status part: module address, module name, current module time, module battery status;
(2) Meter data part: instantaneous flow rate, instantaneous flow rate, fluid conductivity ratio, positive and negative cumulative value
☆ Support short message, fixed IP and dynamic IP address transmission. Data transmission is stable and reliable, low power consumption, and low battery alarm. SMS (SMS): Support all China Unicom and China Mobile SIM
card users; GPRS mode: support for the opening of GPRS wireless Internet access (GPRS access point must be CMNET) China Mobile SIM card users
☆ GPRS communication supports two modes of TCP and UDP, and supports two connection modes of IP address and dynamic domain name.
☆ Integration of acquisition and transmission, improving system reliability and reducing costs;
☆ Do not crash, automatically restore after dropped calls;
☆ GPRS remote online setting and short message remote setting function;
☆ Onboard industrial grade GSM/GPRS communication module, convenient for users to choose GSM/GPRS networking mode
☆ Provide user setting software, open interface
☆ Good waterproof performance