---
product_id: 528929256
title: "GREDIA 1/4\" Water Flow Sensor Food-grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2）"
brand: "gredia"
price: "€ 0.74"
currency: EUR
in_stock: false
url: https://www.desertcart.nl/products/528929256-gredia-1-4-water-flow-sensor-food-grade-switch-hall
store_origin: NL
region: Netherlands
---

# Food-grade, ROHS-certified materials 0.3-6L/min precise flow range DC 5-24V wide voltage compatibility GREDIA 1/4" Water Flow Sensor Food-grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2）

**Brand:** gredia
**Price:** € 0.74
**Availability:** ❌ Out of Stock

## Summary

> 💧 Flow with confidence, measure with precision!

## Quick Answers

- **What is this?** GREDIA 1/4" Water Flow Sensor Food-grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） by gredia
- **How much does it cost?** € 0.74 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/528929256-gredia-1-4-water-flow-sensor-food-grade-switch-hall)

## Best For

- gredia enthusiasts

## Why This Product

- Trusted gredia brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual Pack Value:** Includes two sensors, doubling your setup potential and ensuring you never run out of precision flow monitoring.
- • **Safe & Sustainable:** Crafted from food-grade plastic and compliant with ROHS standards, guaranteeing safety and eco-conscious use.
- • **Precision Flow Control:** Accurately measures water flow from 0.3 to 6 liters per minute, ensuring reliable performance for your smart devices.
- • **Plug & Play Convenience:** Easy G1/4” hosepipe connector fits 5-7mm inner diameter pipes, making installation quick and hassle-free.
- • **Universal Voltage Range:** Operates seamlessly within a broad 5-24V DC range, perfect for diverse applications from coffee machines to water purifiers.

## Overview

The GREDIA 1/4" Water Flow Sensor is a dual-pack, food-grade, hall effect flowmeter designed for precise water flow measurement between 0.3 to 6L/min. Compatible with 5-7mm hosepipes and operating on a wide 5-24V DC range, it’s ideal for smart water heaters, coffee machines, purifiers, and more, combining safety, accuracy, and easy installation.

## Description

Our products are fine made with nice materials and good workmanship, strict quality control, guarantee in after service. The flowmeter is light and handy, easy to install. The sealing ring make the connection firm, the sealing performance is good and the problem of water leakage is avoided. More details about the flow meter: F=(98*Q)±3%, Q=L/Min, error: ±3% Working range: 0.3-6L/min Working voltage: DC 5-24 V Water Pressure: ≤0.8Mpa Liquid temperature: 0-100℃ Maximum current consumptiont: 10 mA(DC 5V) Size: 58mm x 34mm x 26mm(L*W*H) Wire length: 15 cm Refer to the wiring: Red wire: VCC(+) Black wire: GND(-) Yellow wire: Signal output Package: 2 x G1/4 inch flowmeter connect hosepipe

## Features

- Connect to a hosepipe whose inner diameter is about 5 to 7 mm( G1/4 inch connector), comes with 2 pieces
- Flow range:0.3-6L/min, Water Pressure: ≤0.8Mpa
- Working voltage: DC 5-24 V, F=(98*Q)±3%, Q=L/Min
- Material: food grade plastic, all raw materials conform to the ROHS test standard
- Wide application: It is mainly used in water heater, coffee machine, water purifier, drinking fountain, beverage machine, campus smart card equipment, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | GREDIA |
| Part number | GR-R401P2 |
| Item Weight | 59 g |
| Package Dimensions | 8.79 x 8.1 x 3.1 cm; 59 g |
| Item model number | GR-R401P2 |
| Size | G1/4" hosepipe 2 |
| Batteries included? | No |
| Batteries Required? | No |

## Images

![GREDIA 1/4" Water Flow Sensor Food-grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） - Image 1](https://m.media-amazon.com/images/I/61Uoj8NQr8L.jpg)
![GREDIA 1/4" Water Flow Sensor Food-grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） - Image 2](https://m.media-amazon.com/images/I/51DlW5Z-ryL.jpg)
![GREDIA 1/4" Water Flow Sensor Food-grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） - Image 3](https://m.media-amazon.com/images/I/51DpU6KR0tL.jpg)
![GREDIA 1/4" Water Flow Sensor Food-grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） - Image 4](https://m.media-amazon.com/images/I/61hUYJB73cL.jpg)
![GREDIA 1/4" Water Flow Sensor Food-grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） - Image 5](https://m.media-amazon.com/images/I/51ryV5Q9FdL.jpg)

## Available Options

This product comes in different **Size Name** options.

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-22*