2in Digital Turbine Flow Meter - Accurate Inline Fuel & Water Meter

In this review of the 2in digital turbine flow meter the bottom line is simple: this is a practical inline meter for users who need reasonably accurate, easy-to-read flow measurements for non-corrosive liquids. It is best suited to sheltered installations where protection from moisture is possible. The single biggest reason to consider it is the combination of a clear digital LCD display with selectable units and a stated 1% accuracy, which together make routine monitoring and totals tracking straightforward for garden irrigation, diesel transfer, or gasoline dispensing where conditions remain dry.

Key Features

• High accuracy: The meter claims a 1% accuracy rate, providing reliable instantaneous and cumulative flow readings for routine measurement tasks.
• Clear LCD display: The screen shows real-time flow rate, accumulated totals and instantaneous flow so tracking usage is simple during transfer operations.
• Multiple unit options: Switch between GAL, QTS, PTS, L and m3 to match documentation or local measurement preferences without conversion math.
• Durable materials: An aluminum alloy housing and stainless steel turbine give the unit robustness for sheltered industrial and workshop environments.
• Energy-saving display: The screen powers down after 10 minutes of inactivity and wakes on flow or key press, helping preserve battery life for long deployments.
• Wide flow range: The 15.8-132 GPM (60-500 LPM) operating range covers many mid to high flow transfer needs in vehicles, tanks and pumps.

Who It's For

This flow meter is well suited to technicians, small fleet operators and hobbyists who need an affordable inline meter for diesel, gasoline, kerosene and other low-corrosive, non-viscous liquids. It is also useful in light industrial or farm settings where the meter can be installed in a sheltered location and regularly monitored.

Those who need a fully waterproof instrument or plan to fit the meter in an exposed outdoor location should look elsewhere. Also avoid this unit where highly viscous, aggressive or particulate-laden fluids will be measured, as the turbine design is intended for clean, low-viscosity liquids.

Pros & Cons

Pros

• Easy to read and operate with selectable units and a persistent cumulative total in non-volatile memory.
• Good accuracy claim and a useful flow range for many transfer tasks.
• Aluminum and stainless components add mechanical durability in sheltered installations.
• Energy-saving display behavior extends battery standby time to over a year.

Cons

• Not waterproof; must be kept in a dry, sheltered location to avoid moisture-related failures.
• Some buyers report mixed long-term reliability, so expect variable lifespan under heavier duty.

Specifications

Brand	GRYVOZE
Pipe size	2 in (inline NPT thread)
Flow range	15.8-132 GPM (60-500 LPM)
Accuracy	Approximately 1%
Working pressure	6 Bar
Operating temperature	-10C to 80C (14F to 176F)
Units	GAL, QTS, PTS, L, m3

Our Verdict

The 2in digital turbine flow meter is a cost-effective choice for users who need clear, selectable-unit flow readings in sheltered installations. It offers sensible accuracy and durable materials for routine water and fuel transfers, making it good value for controlled environments; however, do not use it where exposure to rain or high moisture is likely.

Frequently Asked Questions

Is this meter waterproof?
No. This unit is designed for dry, sheltered locations only and should be kept away from rain, humidity and condensation.

Which liquids can it measure?
It measures water, diesel, gasoline, gas oil, kerosene, methanol, E15 and other low-corrosive, non-viscous liquids.

What about total and reset ranges?
The single count range is 99999 and the total cumulative range is 29999999, with non-volatile memory to retain settings when power is off.