Current position > News detail
『AVL Fuel Flow Meter: Automotive Laboratory Engine Efficiency Testing Equipment』Related information(flow rotameter|digital flow meter|balo meter|hydraulic flow meter|volumetric meter|positive displacement meter|pitot tube flow meter|displacement meter|cfm meter|variable area flow meter|inline flow meter|differential pressure flow meter|calibrated flow meter|velocity meter|paddle wheel flow meter|oval gear flow meter|anemometer hvac|multiphase flow meter|doppler flow meter|thorpe tube flowmeter|heat flow meter)
AVL Fuel Flow Meter: Automotive Laboratory Engine Efficiency Testing Equipment Options
Quick Answer: AVL fuel flow meters are a known option for engine test cells. Silver Instruments supplies Coriolis mass flow meters and oval gear flow meters for gasoline, diesel, ethanol and biodiesel measurement. Send us your pressure in bar, temperature in °C, pipe size DN, and flow range in kg/h for a specific quote.
What an AVL Fuel Flow Meter Does in an Engine Laboratory
An AVL fuel flow meter measures fuel consumption on gasoline, diesel, ethanol and biodiesel engines. It often sits between the fuel conditioning unit and the engine fuel rail. The meter reports flow rate and total fuel used. Test bench operators use this data to calculate brake specific fuel consumption.
In a typical test cell, fuel temperature changes from 20 °C to 60 °C. Vapor pressure changes with fuel type. A laboratory grade meter must handle this without losing accuracy.
Why Engine Efficiency Testing Needs a Stable Fuel Flow Signal
Engine test runs often last from 30 minutes to 8 hours. A drift of 0.5 percent changes the efficiency result. The data gets compared against baseline runs. A small error in kg/h shifts the final report. For Euro 5 or Euro 6 emission cycles, the test bench needs repeatable fuel mass flow.
Most engineers skip this part until they see scatter in the BSFC map. We have seen this on customer sites in Vietnam and Thailand. The problem usually comes from air bubbles, return line temperature, or wrong meter range.
Silver Instruments Coriolis Mass Flow Meter for Fuel Measurement
Silver Instruments supplies Coriolis mass flow meters for engine labs. A typical model covers 0.05 kg/h to 3000 kg/h. Accuracy is plus or minus 0.2 percent of reading for liquids. The meter outputs 4-20 mA HART, pulse, and Modbus. The process connection can be DN15, DN20 or DN25. Wetted parts in 316L stainless steel work with diesel, gasoline, ethanol and biodiesel.
Because the meter measures mass directly, the reading does not need density correction. This helps when fuel temperature changes quickly. The electronics housing is IP65. For test cells with fuel vapor risk, we can supply ATEX Zone 1 or Zone 2 certification.
Oval Gear Flow Meter for Fuel Return Lines and Low Flow Tests
Some engine benches measure fuel supply and fuel return separately. The net consumption is the difference. An oval gear flow meter is a lower cost choice for this setup. It handles 0.1 to 250 L/h depending on the gear size. Repeatability is better than 0.1 percent. It works with diesel fuel, biodiesel and light fuel oil.
We have supplied oval gear flow meters to a diesel engine test lab in Indonesia. They used two meters per engine. One meter sat in the supply line and one in the return line. The lab recorded both pulse signals on a PLC with 0.1 percent repeatability.
How to Specify a Fuel Flow Meter for an Automotive Test Bench
Send us these values before ordering. Give us the fuel type. Give us
In practice, most engine labs need a Coriolis mass flow meter with 4-20 mA HART output. They also need a fast update rate. Silver Instruments can set the output damping from 0.1 to 5 seconds. This lets the data acquisition system see real time fuel consumption without too much noise.
Installation Points for Fuel Flow Meters in Engine Test Cells
A fuel flow meter should be installed after the fuel conditioner and before the fuel rail. Do not install the meter on the high pressure pump discharge if the pressure exceeds the meter rating. A back pressure valve keeps the line full. Air release is part of the setup.
In a gasoline engine bench, vapor can form in the return line. We recommend a Coriolis meter with a bubble handling function. It keeps the mass flow reading stable even when small bubbles pass through the measuring tubes.
Comparison Between AVL Fuel Flow Meter and Silver Instruments Models
AVL fuel flow meters are known for laboratory compatibility and software integration. Silver Instruments models focus on direct signal output and lower total cost. If your lab already uses AVL software, you can still connect a Silver Instruments meter via 4-20 mA or Modbus. The data goes to the same PLC or data logger.
For a 100 kg/h diesel engine test bench, a Silver Instruments Coriolis meter with DN15 connection may cost less than the full AVL system. The exact price depends on certifications, display options and cable length. We ship to Thailand, Vietnam, Indonesia, Malaysia, Mexico, the United Arab Emirates, Saudi Arabia and Nigeria.
FAQ
Can a Silver Instruments flow meter replace an AVL fuel flow meter directly?
Yes, in many test benches. The meter connects using standard 4-20 mA HART, pulse or Modbus. If the AVL system has a proprietary connector, an adapter or signal converter may be needed.
What flow range do I need for a small gasoline engine test bench?
Most two wheel and four wheel gasoline engine tests run from 0.5 kg/h to 150 kg/h. A Coriolis mass flow meter with DN15 or DN20 connection covers this range.
Does Silver Instruments offer ATEX certified fuel flow meters?
Yes. We can supply Coriolis mass flow meters with ATEX Zone 1 or Zone 2 certification for fuel vapor areas.
What output signal is best for fuel consumption data?
4-20 mA HART works for most PLC and data acquisition systems. Pulse output is better for total fuel volume. Modbus RS485 is used when the lab wants to read density and temperature too.
How do I get a price for a fuel flow meter?
Email us the fuel type, flow range in kg/h, pressure in bar, temperature in °C and pipe size DN. Also tell us the output signal. We respond within 24 hours. Contact Silver Automation Instruments at Tel: +86-135-1213-1526, WhatsApp: 86-135-12131526, WeChat: +86 13512131526.