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Best GREDIA Liquid Meters

GREDIA Liquid Meters offer precise hall effect flow sensors for water and fluid measurement, available in various sizes and flow ranges for industrial and home use.

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GREDIA 1.5" G1-1/2 Hall Effect Water Flow Sensor Meter - Food-Grade Flowmeter 5-150L/min for Irrigation & Water Control

The GREDIA 1.5-inch hall effect flowmeter measures water flow from 5-150L/min with ±2% accuracy using food-grade plastic. It's ideal for irrigation, waterworks, and petrochemical users needing reliable, leak-proof flow monitoring.

  • Achieve precise water flow monitoring with ±2% accuracy across 5-150L/min range
  • Food-grade plastic ensures safe, contamination-free use for drinking water systems
  • Easy installation via G1-1/2 inch threads prevents leaks and simplifies setup
  • Handles high pressure up to 1.75MPa for demanding industrial and irrigation applications
  • Broad voltage compatibility (DC 5-24V) integrates seamlessly with various controllers

Highly accurate ±2% flow readings for dependable results. Food-grade materials meet ROHS standards for safety. Wide 5-150L/min range covers low to high flow needs.

Wire length limited to 15cm, may require extension for some setups. Requires external DC 5-24V power source. Plastic construction less robust than metal for extreme impacts.

GREDIA G1/2" Hall Effect Water Flow Switch Sensor 1-30L/min Copper BSP Thread for Heaters Humidifiers Dispensers

This GREDIA G1/2 Hall Effect water flow switch controls flow in appliances like water heaters, humidifiers, and dispensers with a 1-30L/min range. Its brass construction and low 0.1MPa starting pressure ensure reliable activation for DIY water control setups.

  • Ensures safe automatic power control in water heaters and humidifiers by detecting flows from 1L/min
  • Durable high-brass body resists oxidation and wear for long-term reliability
  • Easy G1/2 BSP male thread connection simplifies installation in showers or dispensers
  • Handles up to 1.75MPa pressure and 120°C temps for versatile hot water applications
  • Quick 2-second response time prevents dry-run damage to appliances

Precise hall effect sensing for accurate flow detection. Wide 1-30L/min range fits most household water systems. Robust brass material withstands high temperatures up to 120°C.

Requires minimum 1L/min flow to activate, may not suit ultra-low flow needs. Limited to 2A max current, check appliance compatibility. Brass weight may complicate handling in tight spaces.

GREDIA G3/4" Brass Hall Effect Water Flow Sensor Switch - 1-30L/min Flowmeter for Water Heaters & Dispensers (50mm)

This GREDIA brass Hall effect water flow sensor measures 1-30L/min flows with ±3% accuracy using a magnetic rotor and pulse output. Its durable, compact design suits water heaters and dispensers where precise inlet flow detection is needed.

  • Precisely monitors water flow from 1-30L/min with ±3% accuracy for reliable control in appliances
  • Durable high-brass body (over 57%) resists wear, corrosion, pressure up to 1.75MPa, and temperatures to 80°C
  • Easy plug-and-play installation via G3/4" male BSPT threads on 50mm compact unit
  • Hall effect sensor separates electronics from water for safe, long-lasting performance
  • Outputs pulse signal F=6.6*Q for seamless integration with DC 5-15V controllers

Wear-resistant stainless steel impeller beads for longevity. Tight screw connections prevent leaks. Imported Hall element for precise, low-error readings.

Requires upstream filter for poor water quality to avoid clogs. Flow limited to 1-30L/min; not suitable for higher rates. Liquid temperature capped at 80°C for optimal operation.

GREDIA 3/8" Food-Grade Hall Effect Water Flow Sensor Flowmeter 0.3-10L/min Accurate Counter Switch

This GREDIA 3/8" Hall Effect flow sensor accurately measures water flow from 0.3-10L/min with ±3% precision using food-grade plastic. Buy it for reliable integration in coffee machines, water purifiers, or DIY fluid systems.

  • Precise ±3% accuracy ensures reliable flow monitoring for optimal system performance
  • Food-grade plastic materials safe for drinking water and beverage applications
  • Easy G3/8 thread installation saves time on water heaters or purifiers
  • Wide 5-24V DC compatibility fits most Arduino or microcontroller projects
  • Leak-proof sealing prevents water loss and maintains system integrity

Food-grade ROHS-compliant plastic for safe liquid handling. Broad 0.3-10L/min range suits household and commercial uses. Low 15mA power draw for energy-efficient operation.

Limited to 10L/min max flow, not ideal for high-volume systems. Requires DC 5-24V power source, needs external supply. 15cm wire length may need extension for some installs.

GREDIA 1" Food-Grade Hall Effect Water Flow Sensor Meter, 1-60L/min Flowmeter Switch (Pack of 2)

This pack of two GREDIA 1-inch hall effect flow sensors accurately measures water flow from 1-60L/min with ±2% precision using food-grade plastic. Buy it for reliable flow control in irrigation, waterworks, or petrochemical applications.

  • Precise ±2% accuracy tracks flows from 1-60L/min for dependable monitoring
  • Food-grade plastic ensures safe use with drinking water or sensitive fluids
  • Leak-proof 1-inch threaded connections simplify secure installation
  • Handles up to 1.2Mpa pressure and 100°C temperatures for demanding environments
  • DC 5-24V compatibility fits various power setups effortlessly

Food-grade materials meet ROHS standards for safety. Wide 1-60L/min range suits residential to industrial needs. Low 15mA current draw for energy efficiency.

Requires external DC 5-24V power supply. 15cm wire length may need extensions for some setups. Limited to liquid temperatures up to 100°C.

Welcome to our GREDIA Liquid Meters category, where precision meets reliability in fluid measurement. These hall effect flow sensors are designed for accurate detection of water and other liquids, featuring food-grade materials ideal for applications from home water systems to industrial setups. Whether you're monitoring flow in a humidifier or a large-scale irrigation system, GREDIA's lineup ensures dependable performance and easy integration.

Why Choose GREDIA Liquid Meters?

GREDIA stands out for its commitment to quality and innovation in substance analysis tools. Their liquid meters utilize hall effect technology for non-contact, precise flow measurement, minimizing wear and ensuring longevity. Built with durable brass or plastic components and food-grade certifications, these sensors resist corrosion and contamination, making them suitable for potable water systems. As part of our expansive Industrial & Scientific offerings, GREDIA products deliver value through consistent accuracy and robust construction, earning trust from DIY enthusiasts to professionals.

Key Features to Look For

When shopping GREDIA liquid meters, prioritize these essential attributes:

  • Flow Range Compatibility: Models support from 0.3-10L/min for small applications to 5-150L/min for high-volume needs.
  • Thread Size and Material: Options in 3/8", G1/2", G3/4", 1", and G1-1/2" with BSP male threads in brass or copper for secure, leak-proof connections.
  • Hall Effect Sensing: Provides pulse output for digital counters, enabling real-time monitoring without mechanical parts that fail over time.
  • Food-Grade Design: Safe for drinking water, aquariums, and beverage dispensers.
  • Compact and Versatile: Switch control functionality for automation in showers, heaters, and dispensers.

These features make GREDIA meters reliable within the broader Substance Analysis Instrumentation category, outperforming basic mechanical gauges in precision and durability.

Comparing GREDIA Models

GREDIA offers five tailored models to match diverse needs. For low-flow precision, the 3/8" sensor handles 0.3-10L/min, perfect for compact systems like coffee makers. Stepping up, the G1/2" copper model covers 1-30L/min, ideal for humidifiers and showers with its BSP threading.

The G3/4" brass version also rates at 1-30L/min but offers a longer 50mm body for easier installation in tighter spaces. For moderate demands, the 1" pack of two sensors manages 1-60L/min, great for redundancy in water dispensers. The largest, G1-1/2" (1.5"), tackles 5-150L/min, suited for industrial pumps or large heaters.

ModelSizeFlow Range (L/min)Best For
3/8"3/8"0.3-10Small appliances
G1/2" CopperG1/2"1-30Humidifiers, showers
G3/4" BrassG3/4"1-30Dispensers
1" (Pack of 2)1"1-60Water systems
G1-1/2"1.5"5-150Industrial use

Choose based on your pipe size and expected flow; smaller models excel in residential settings, while larger ones suit Test, Measure & Inspect professional applications.

Common Use Cases

GREDIA liquid meters shine in everyday and industrial scenarios:

  • Home Automation: Integrate with Arduino or controllers for smart water monitoring in showers and dispensers.
  • Aquaculture and Hydroponics: Track flow in fish tanks or nutrient systems.
  • Industrial Processes: Ensure accurate dosing in manufacturing lines.
  • Water Heaters and Boilers: Prevent dry runs with flow switch alerts.

For alternatives, explore GRYVOZE Liquid Meters, which offer similar hall effect tech but in different configurations.

Frequently Asked Questions

What makes GREDIA liquid meters better than competitors?

GREDIA emphasizes food-grade materials and hall effect reliability, providing superior accuracy and lifespan compared to mechanical alternatives. They back this with solid build quality for demanding environments.

How do I choose the right GREDIA model for my setup?

Match the thread size to your piping and select flow range slightly above your max needs. For example, use 3/8" for low-flow home use or 1.5" for high-volume industrial.

Are GREDIA meters compatible with Arduino or PLC systems?

Yes, their pulse output integrates seamlessly with microcontrollers and industrial controllers for automated flow logging and control.

What is the typical warranty on GREDIA products?

GREDIA offers a standard manufacturer warranty; check product listings for details and contact their support for claims.

Can these meters handle hot water or non-water fluids?

Most are optimized for cold to warm water; verify specs for temperature limits and fluid compatibility to avoid damage.