SEA YF-DN32-S-SM Stainless Steel Water Flow Sensor Flowmeter 3.5-24V G1.25 Inch 3 - 60L/min
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The SEA YF-DN32-S-SM Stainless Steel Water Flow Sensor is a high-precision turbine-type flowmeter designed for accurate flow measurement in industrial and commercial systems. Engineered with a corrosion-resistant 304 stainless steel body and fitted with a G1.25 inch threaded inlet and outlet, this sensor supports high-volume flow detection with a range of 3 to 60 liters per minute.
It delivers a digital NPN pulse output proportional to flow, allowing easy integration with controllers such as Arduino, STM32, Raspberry Pi, and industrial PLCs. Operating from 3.5 to 24 volts DC, it ensures stable signal performance, with approximately 108 pulses per liter of water and a frequency coefficient of 1.8 Hz per liter per minute.
Ideal for high-throughput applications like water vending, smart irrigation, filtration, and industrial control, the YF-DN32-S-SM withstands high temperature and pressure conditions and is supplied with a 50 cm SM-3P cable for plug-and-play use.
Applications
- Water dispensers and coffee machines
- Industrial water flow measurement
- Chemical fluid distribution
- Smart irrigation systems
- Waterworks and plumbing systems
Features
- 304 stainless steel for durability and corrosion resistance
- G1.25 inch threaded connection for large pipelines
- Wide voltage operation from 3.5 to 24 volts DC
- Flow detection from 3 to 60 liters per minute
- Digital NPN pulse output with 108 pulses per liter
- Frequency coefficient of 1.8 hertz per liter per minute
- Temperature tolerance up to 100 Celsius
Comparison Table: Brass vs. Stainless Steel Water Flow Sensors
| Feature | Brass | Stainless Steel |
|---|---|---|
| Corrosion Resistance | Good (for clean/fresh water) | Excellent (suitable for harsh fluids) |
| Durability | Moderate | High |
| Cost | Lower (budget-friendly) | Higher (premium-grade) |
| Weight | Lighter | Heavier |
| Application | Domestic, general-purpose use | Industrial, marine, high-pressure |
| Lifespan | Moderate | Long-lasting |
Note: Choose brass for household or standard water systems. Opt for stainless steel in corrosive, high-pressure, or industrial environments.
Specifications
| Parameter | Specification |
|---|---|
| Model Number | YF-DN32-S-SM |
| Output Signal | NPN Pulse Output |
| Material | 304 Stainless Steel |
| Pipe Size | G1.25 inch BSP Thread |
| Operating Voltage | DC 3.5 to 24V |
| Working Current | Less than 15 milliamp |
| Flow Range | 3 to 60 liters per minute |
| Frequency Coefficient | 1.8 hertz per liter per minute |
| Flow Pulse | 108 pulses per liter |
| Accuracy | Plus minus 5 percent |
| Maximum Pressure | Up to 1.75 megapascal |
| Working Temperature | Up to 100 Celsius |
| Connector Type | SM-3P Connector |
| Cable Length | 50 centimeter PVC Cable |
| Wire Color Mapping | Red for VCC, Black for GND, Yellow for Signal |
Package Include
1XSEA YF-DN32-S-SM Stainless Steel Water Flow Sensor Flowmeter 3.5-24V G1.25 Inch 3 - 60L/min