Paddle Wheel Flow Meters

Paddle Wheel Flow Meters have a freely rotating paddlewheel set in the path of a fluid stream. The flowing liquid or gas causes the paddle wheel to spin upon its axis. The rate of spin will be proportional to the flow rate. Paddle Wheel Flow Meters come in a range of materials to ensure chemical compatibility in normal or aggressive liquids.

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Paddle Wheel Flow Transmitter | FSE
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Paddle Wheel Flow Transmitter - Overview

Paddlewheel flow transmitters use the flow of the liquid to rotate a paddlewheel (just like a riverboat) in the flow stream. As the fluid moves faster, so does the paddlewheel. Measuring the rotations of the paddlewheel then gives an accurate indication of the speed of the flow.

Paddle Wheel Flow Transmitter - Features
- IP68 enclosure, SUS, and chemical resistant body
- Low power consumption
- Stable & high-resolution rotor
- Bi-directional
- Easy maintenance
- Easy to use
- Connect to PLC / IPC directly
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Paddle Wheel Flow Meter with Integral Transmitter 9900
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Signet has combined the 9900 SmartPro® Transmitter with the 515/8510 and 2536/8512 Paddlewheel Flow sensors to create integral systems that are easy to order and simple to install. Integral systems are also available in conductivity, level, temperature, and pressure configurations.

Each integral system features a 9900 Transmitter which provides a local and easy to read LCD display. The push button keypad makes it easy to navigate through the transmitter’s menu. The DC-powered 9900 features a scalable 4 to 20 mA output and open collector for process control.

Flow Integral Systems with 9900 Transmitters are combined with Signet’s field-proven Models 515/8510 and 2536/8512. These sensors reliably perform in flow ranges from 0.3 to 6 m/s (1 to 20 ft/s) and 0.1 to 6 m/s (0.3 to 20 ft/s) respectively for pipe sizes from ½ to 8 inches. They are available in a variety of materials including polypropylene and PVDF and are easily mounted in the pipe using Signet’s comprehensive line of standard fittings.

Paddle wheel Flow meter Features
- Warning LED indicator
- Selectable error mode for current outputs, 3.6 mA or 22 mA
- Large auto-sensing backlit display with “at a glance” visibility
- Local display for sensor mounted instruments
- Provides 4 to 20 mA output
- "Dial-type" digital bar graph
- NEMA 4X/IP65
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Standard Mount Paddlewheel Flow sensor -515
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Overview of Paddle Wheel flow sensor 515

The Model 515 sensors are offered in a variety of materials for a wide range of pipe sizes and insertion configurations. The many material choices include PP and PVDF make this model highly versatile and chemically compatible to many liquid process solutions. Sensors can be installed in up to DN900 (36 in.) pipes using Signet's comprehensive line of custom fittings which include tees, saddles, and weldolets, set the sensor to the proper insertion depth into the process flow. The sensors are also offered in configurations for wet-tap and intrinsically safe installation requirements.

Simple to install with time honored reliable performance, Model 515 Rotor-X paddle wheel flow sensors are highly repeatable, rugged sensors that offer exceptional value with little or no maintenance. The output signal of the Model 515 is a sinusoidal frequency capable of driving a self-powered flowmeter (Model 5090). The wide dynamic flow range of 0.3 to 6 m/s (1 to 20 ft/s) allows the sensor to measure liquid flow rates in full pipes and can be used in low pressure systems.

Paddle wheel flow sensor features
- Operating range: 0.3 to 6 m/s, 1 to 20 ft/s
- Simple, economical design
- Installs into pipe sizes: DN15 to DN900, 0.5 to 36 in
- Max Pressure rating: PP 12.5 bar @ 20 °C, 180 psi @ 68 °F PVDF 14 bar @ 20 °C, 200 psi @ 68 °F
- Power source: Self powered
- Highly repeatable output
- Chemically resistant materials
- Compatibility: 8150, 8900, 9900, 9900-1BC, 9950
- *Only Signet installation fittings
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