The following selection highlights top 1 1/2 flow meters available on Amazon, focusing on inline turbine and flow-sensing designs for water, fuels, and other liquids. Each option offers clear digital readouts, multiple unit supports, and installations suited for sheltered or indoor environments. Read on to compare features, installation styles, and measurement capabilities to help you choose the right 1-1/2 inch flow meter for your needs.
| Product | Brand | Key Benefit |
|---|---|---|
| GRYVOZE 1.5 Inch NPT Fuel Flow Meter | GRYVOZE | High-accuracy ±1% with LCD display; supports gallons, liters, and more |
| GRYVOZE 1.5 Inch NPT Digital Flow Meter | GRYVOZE | Flexible unit switching (GAL, QTS, PTS, L, m³); robust LCD readout |
| Blue-White FLOWREAD R-315 | Blue-White Industries | ±5% accuracy; easy outdoor viewing; installs on 1.50″ ID PVC |
| Blue-White Flowmeter 1-1/2″ PVC Pipe | Blue-White Industries | Top-mount, ready-to-use with relevant accessories |
| GREDIA G1-1/2″ Water Flow Sensor | GREDIA | Hall effect sensor; wide flow range; low-voltage operation |
GRYVOZE 1.5 Inch NPT Fuel Flow Meter
The GRYVOZE 1.5 Inch NPT Fuel Flow Meter provides a precise measurement solution for liquids like water, diesel, gas oil, and gasoline. It features a digital turbine mechanism with an LCD display for real-time flow rates, accumulated totals, and instantaneous flow. The unit supports multiple measurement scales and is designed for sheltered environments, avoiding direct exposure to rain and humidity. It offers a high accuracy of ±1%, ensuring reliable data for monitoring consumption and billing in controlled settings. For installations in dry, indoor spaces, this meter offers straightforward setup and dependable performance.
GRYVOZE 1.5 Inch NPT Digital Flow Meter
This GRYVOZE model emphasizes flexibility with five selectable units (GAL, QTS, PTS, L, m³) and a generous flow range of 10.5-74 GPM (40-280 LPM). It includes a clear LCD to display current flow, totals, and instantaneous data. The device is designed for dry environments and sheltered locations, making it suitable for indoor or covered installations. The meter’s accurate readings (±1%) support reliable tracking of liquid usage across various fuels and liquids, with a straightforward single-count and total-count range, ideal for hands-on monitoring and data logging.
Blue-White FLOWREAD R-315
The FLOWREAD R-315 is a 1.50″ flowmeter designed for residential pool applications. It delivers flow-rate measurements with an accuracy of approximately ±5%, enabling precise adjustments to pump output to save energy. The scale is easy to read, UV-screen printed on both sides for visibility in outdoor conditions, and the unit installs directly on a 1.50″ ID PVC pipe with no need for unions or extra tools. This meter is suited for outdoor pool and spa systems, providing reliable readings in accessible installation environments.
Blue-White Flowmeter for 1-1/2″ PVC Pipe
This Blue-White model focuses on horizontal installation and comes as a ready-to-use package for 1-1/2″ PVC piping. It ships with all relevant accessories for straightforward mounting and operation, making it a practical option for quickly upgrading a plumbing or irrigation system. The horizontal placement aligns with typical pool or irrigation setups, providing reliable flow data with minimal installation complexity.
1.5 Inch Digital Turbine Flow Meter (Blue 1.5)
This 1.5 inch digital turbine flow meter provides precise measurements with ±1% accuracy for a range of liquids, including water and various fuels. It supports multiple units (GAL, QTS, PTS, L, m³) and uses a digital LCD for real-time reading. The unit operates within a 2.6-26 GPM range, with a 6 bar working pressure. It is designed for dry environments and is suited for sheltered installations, offering flexible mounting options and straightforward data logging for billing and usage analysis.
GREDIA G1-1/2″ Water Flow Sensor
The GREDIA G1-1/2″ water flow sensor uses a hall-effect sensor with a 5-24 V DC operating range. It supports a flow rate from 5 to 150 L/min and is designed for pipe connection with G1-1/2 inch BSPT threads. The meter offers a compact solution for water flow measurement in residential or light commercial setups, with precise electronic sensing suitable for simple integration with control systems or data loggers.
Rola-Chem 570341-T Flowmeter
The Rola-Chem 570341-T is a 1-1/2″ PVC pipe flowmeter designed for horizontal installation, ideal for pools, spas, and light commercial systems. It covers a flow range of 25–60 GPM and features a wide-chamber anti-clog design to minimize mineral buildup. This makes it suitable for environments with hard water or chemical usage, ensuring consistent performance and measurement reliability in residential and small-scale applications.
Buying Guide: Key Purchase Considerations
- Installation environment: Indoor vs. outdoor use determines enclosure protection needs and material compatibility. Models labeled for sheltered, dry environments are less suited for direct weather exposure.
- Flow range and accuracy: Choose a meter whose range matches your typical flow rates. High-precision options (±1%) suit precise monitoring, while ±5% models work for general usage tracking.
- Unit options: Multiple unit supports (GAL, QTS, PTS, L, m³) add versatility for different measurement conventions. Ensure the device can switch seamlessly between units you require.
- Connection size and style: 1-1/2″ NPT or BSPT threads are common. Confirm pipe type (PVC or metal) and mounting orientation (inline, top-mount, side-mount) to match your system.
- Display and data access: An LCD display enables real-time readings and totals. Some models offer remote reading or cloud metering via gateways for monitoring across multiple meters.
- Durability and maintenance: Consider a unit with clear protection against environmental factors and accessible service options if you monitor aggressive liquids or deposits.
- Compatibility with liquids: Confirm the meter’s compatibility with the specific liquids you measure (water, fuels, kerosene, methanol, etc.), as some meters have best-fit ranges for particular substances.
When evaluating 1-1/2 inch flow meters, balance installation practicality with measurement fidelity. For sheltered installations in indoor utility rooms or equipment rooms, these meters offer reliable data logging and straightforward integration with monitoring systems. For outdoor pool or irrigation setups, models with clear visibility outdoors and corrosion-resistant components ensure sustained performance. Consider whether you need cloud-ready options or simple local readouts, and confirm compatibility with your piping and service needs before purchasing.