Intelligent Metal Tube Rotor Flow Transmitter Board
Description :
The H8250FZ intelligent float transmeter board is specially designed for high-performance intelligent metal rotameter (float) flow transmitter boards with HART protocol.. With its high-precision measurement, stability, and reliability, it plays a crucial role in numerous industrial fields.
Parameters
Its performance characteristics include
- High Measurement Accuracy: Utilizes advanced signal processing technology to effectively eliminate interference signals, ensuring the accuracy of measurement results, with a measurement accuracy of up to ±0.35% (under standard conditions).
- Good Stability: Possesses excellent long-term stability and can maintain stable performance even in complex industrial environments, reducing measurement errors caused by environmental changes.
- Wide Range Ratio: The range ratio can reach 1500:1, which can meet the measurement requirements of different flow ranges and is suitable for various working conditions.
- Fast Response Speed: Responds quickly to flow changes, enabling real-time and accurate reflection of the dynamic changes of fluid flow, ensuring the timeliness and effectiveness of measurement data.
H8250FZ is extensively applied in following domains:
- Municipal water supply and drainage systems for monitoring water supply and drainage and controlling sewage treatment.
- Industrial production in chemical, petroleum, power, pharmaceutical and other industries for flow measurement and control.
- Food and beverage industry for flow control in beverage production and liquid flow metering in food processing.
- Environmental protection industry for flow monitoring and management in sewage treatment plants and water flow measurement in environmental monitoring.
- Agricultural irrigation field for flow management in large irrigation systems and applications in water-saving irrigation projects.
Main Functions
| Features | Description |
| Output | 4 ~ 20mA signal output with HART (2-wire). |
| Diagnostic | When the instrument fails, it outputs an alarm output current. |
| Configuration | Engineering units, measured medium, medium density, float density, measurement range, display, alarm values, etc., and the cumulative flow clearing. |
| Alarm | Alarm upper and lower limits can be set. When the value is below the lower limit or above the upper limit, an alarm current is output.
Namur NE43 output (alarm current values 3.6mA / 22.5mA) or standard mode (alarm current values 3.8mA / 22mA) can be selected |
| Monitoring Dynamic Variable | Instantaneous flow, percentage, output current, cumulative flow, etc. |
| Current Calibration | The analog output current can be calibrated |
| Flow Calibration | 2 – 16 calibration points can be selected |
| Local Configuration | Configuration of engineering units, measurement range, display, alarm values, etc., and it has the function of clearing the cumulative flow. |
| LCD Display | The dual-line LCD can display instantaneous flow and cumulative flow simultaneously, and can also display current, percentage, etc. |
| Data Backup and Recovery | The manufacturer can back up the original configuration information. When the instrument works abnormally due to illegal adjustment on site by the user, entering the damping value “5678” can restore the factory settings and return to the normal working state. |
| Others | The Instrument Has Power-off Protection Function and Flow Cumulative Function. |
Technical Specifications
| Items | Specifications |
| Power supply | 9V – 32VDC |
| Output | 4 – 20mA output with superimposed HART |
| Measurement accuracy | ≤±1% |
| Stability | ≤±1%/50°C |
| Power Supply Influence | 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 backlight LCD display); -40°C – +85°C (without LCD display) |
Ordering information
| Product Type | Part No. | Description | |
| Metal Tube Float | DVRT | D8250FZ | Universal Bridge-type Meta-tube Rotor Flow Transmitter Board;
DVRT communication protocol; Double-line display |
| HART | H8250FZ | Universal Bridge-type Metal-tube Rotor Flow Transmitter Board;
HART communication protocol; Double-line display. |
|
| H837FZ | Specialized Metal-tube Flow Transmitter Board for micro-flow;
HART communication protocol; Red-light column display. |
||
| Battery | D8250FZ-DC | Universal Bridge type Metal-tube Float Flow Transmitter Board;
Powered by batteries; Double-row display. |
|
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