Description
Overview
The GAOTek Ultrasonic Gas Vortex Flowmeter board is the epitome of next-generation engineering, tailored for high-performance intelligent vortex flow transmitters. It doesn’t just analyze the signal; it masters it, employing adaptive spectrum analysis (SSP) to sift through the complexities of fluid dynamics with surgical precision. Its ability to dynamically adjust the passband ensures a razor-sharp focus on meaningful signals, while the sophisticated programmable gain method elevates the signal-to-noise ratio far beyond the ordinary. This technology doesn’t simply measure—it commands the flow, capturing each nuance with such impeccable accuracy that even the slightest variation is harnessed, ensuring every pulse is transmitted with absolute fidelity. It’s more than a board—it’s an intelligent force that pushes the boundaries of flow measurement, guaranteeing no signal escapes its grasp, and no noise can dilute its pure, unerring results.
Features
| Output | Three wire 4-20mA output |
| Configuration functions | Configuration of engineering units, measured media, media density, range, display, alarm values, etc; And have zero accumulated flow function |
| Alarm function | The upper and lower limits of alarms can be set. Out 38mA below the lower limit; Output 22mA above the upper limit. |
| Monitoring dynamic variables | Instantaneous flow rate, percentage, output cunt, cumulative flow rate, frequency, temperature value, pressure value, etc. |
| Flow calibration function | Can correct the instrument coefficient K value by 5 points |
| Local configuration function | Configure engineering units, measured media, media density, range, display, alarm values, etc., and have the ability to accumulated flow reset and data recovery function |
| LCD display function | With backlight, symbol, and three line display. The first line displays the instantaneous flow rate. The second line displays accumulated flow. The third line can display percentage, output current, temperature value, pressure value, density value, etc. At the same time, multiple engineering units can also be displayed on the LCD screen. |
| Temp. & Pres. fixing function | Supports two-point temperature calibration and two-point pressure calibration. Both temperature and pressure can be set to manual input or automatic collection. |
Technical Specifications
| Product Name | DN15-DN300 |
| Power supply | 24V DC, 3.6V Battery Powered |
| Power impact | Not greater than 0.01%/V |
| Output load variation | Not greater than 0.05% (50-1000 ohms, lower limit and range variation) |
| Operating temperature | -20°C ~ +70°C (with LCD)
-40°C ~ +85°C (without LCD) |
| Accuracy | Liquid: 0.5%R; Gas: 1.0%R |
| Pressure | 1.6MPa, 4.0MPa, Customized |
| Output signal | Pulse, Frequency, 4-20mA, RS485 |
| Flow Range | Liquid: 0.4-7m/s; Gas: 4-60m/s; Steam: 5-70m/s |
| Communication | MODBUS, HART |
| IEP ATEX | II G Ex ia IIC T5 Ga |