PWE Paddle-Wheel Flow Meter for Accurate Liquid Flow Measurement
Product Overview
The PWE Paddle-Wheel Flow Meter by Aalborg offers precise liquid flow measurement with high accuracy and robust construction, making it ideal for industrial applications such as manufacturing, chemical processing, and water treatment. This flow meter is designed to meet the stringent requirements of industrial environments, ensuring reliability and efficiency.
Key Features
The PWE Paddle-Wheel Flow Meter is packed with features that cater to the needs of industrial users:
- 23 Engineering Units: The meter supports a wide range of engineering units, including custom units, providing flexibility in measurement and reporting.
- Dual Programmable Totalizers: Allows for the tracking of total liquid volume with two independent totalizers, enhancing data accuracy and management.
- High/Low Flow and Temperature Alarm Limits: Programmable alarm limits with delay settings help in monitoring critical parameters, ensuring safety and optimal operation.
- Analog and Digital Outputs: Multiple output options (0-5 Vdc, 4-20 mA, RS-232/RS-485) ensure compatibility with various control systems and data logging equipment.
- Optional Local LCD Display and Keypad: A 2x16 character LCD display with backlight and a 4-button keypad provide easy on-site monitoring and configuration.
- Weather-Tight Enclosure (IP65): The robust enclosure protects the meter from harsh environmental conditions, making it suitable for outdoor and challenging industrial settings.
- Free Configuration and Calibration Software: Simplifies setup and maintenance, allowing for quick adjustments and calibrations as needed.
Technical Specifications
- Flow Medium: Liquids only
- Accuracy: ±1% of Full Scale (FS)
- Repeatability: ±0.25% FS
- Temperature Range: -10 to 70 °C
- Max Pressure: 10 bar
- Output Signals: 0-5 Vdc, 4-20 mA, flow pulse output
- Input Power: 11-26 Vdc
Operational Principles
The PWE Paddle-Wheel Flow Meter operates by measuring the spin of a paddle wheel as liquid flows through it. This motion is converted into electrical pulses, which are then processed by the meter's built-in CPU and signal conditioning circuitry to calculate flow rate and volume. The precise computations and outputs ensure accurate and reliable measurement, making the PWE Paddle-Wheel Flow Meter a trusted choice for industrial applications.
Communication and Display
The flow meter offers advanced communication and display options to facilitate easy integration and monitoring:
- Digital Interface: RS-232/RS-485 interfaces provide reliable data communication, allowing for remote monitoring and control.
- Optional Display: The 2x16 character LCD with backlight enhances visibility and ease of use, even in low-light conditions.
- Optional Keypad: The 4-button keypad allows for straightforward configuration and operation on-site.
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