FlowSonic® GT
The FlowSonic® GT is designed to deliver reliable fuel flow measurement for automotive engines of every type. Advanced ultrasonic sensing technology provides high accuracy monitoring of flow rate for performance (optimising fuel use and strategy) and compliance for regulatory (balance of performance and limiting peak engine power) motorsport applications. Suitable for FIA® WEC & IMSA Sportscar Championships.
Measurement Performance
± 8000 ml/min
Operating Flow Range
Variable
Measurement Rate
±0.05% of reading
Highly accurate and repeatable
CAN
Communications Output
-20°C to +120°C
Temperature Range
Low latency
Real-time measurement
Compact & Lightweight
For easy installation in race vehicles
50 kPa to 2000 kPa
Operating Fluid Pressure
As the fuel flow meter of choice in IMSA® and WEC®, the FlowSonic® GT offers greater Balance of Performance control and compliance for governing bodies whilst delivering superior fuel consumption analysis for Teams.
Engineered for precision performance in endurance race cars
The FlowSonic® GT ultrasonic flow meter is the ultimate motorsport sensor – a compact, lightweight design with a vibration-tolerant construction and proven repeatability of ±0.05% of reading.
Ultra-fast measurement rates of greater than 4 kHz for dynamic flow
During race conditions race vehicles experience reverse fuel flow events under harsh braking. To ensure that both directions of fuel travel is measured, Sentronics’ market-leading measurement technology captures bi-directional flow to determine true fuel consumption.
Reliable real-time data when it counts
Engineered for peak performance, FlowSonic® GT offers advanced fuel flow measurement, ensuring strict adherence to Balance of Performance regulations for IMSA® and WEC® competitions. As the fuel flow meter of choice in IMSA® and WEC®, the FlowSonic® GT offers greater Balance of Performance control and compliance for governing bodies, and delivers superior fuel consumption analysis for Teams to support their race strategy.
Product Specification
Measurement Performance
Measurement rate
2.2 kHz
Repeatability
± 0.05% of reading
Uncertainty*
± 0.25% of reading
Operating flow range
± 8000 ml/min (±480 LPH)
Calibrated measurement range
500-4000 ml/min (30-240 LPH)
Pressure drop @ 25ºC
5kPa @ 2000ml/min, 15kPa @ 4000ml/min (WEC)
Temperature measurement
2 x 1000 ohm RTD (1/3 DIN standard)
*Calculated according to ISO/TR using root-sum square method yielding 95% confidence
Flow Outputs and Functions
Calibrated volumetric flow rate (ml/min)
Calibrated cumulative volumetric flow rate (ml)
Calibrated mass flow rate (g/min)
Calibrated cumulative mass ow (g)
Max/min logging
Elapsed time counter (power on, ETI)
Run time (flow time, RTI)
Speed of sound (m/s)
Diagnostics via CAN
Data Security and Encryption
Sentronics® Data Assurance Protocol including full data encryption
Firmware security check sums
Secure Hardware USB dongle with serial communication protocol
Mechanical
Dry weight
330 g
Fuel capacity
15 ml
O-ring seal elastomer
FPM fluorocarbon
Wetted materials
FPM, anodised aluminium alloy, stainless steel
Fluid operating pressure
50 kPa to 2000 kPa, 8000 kPa maximum burst
Fuel line connectors
-6AN ttings 9/16-inch UNF thread
Electrical
Voltage
8V to 30V DC
Current
< 95mA @ +12V DC
Voltage protection
Over-voltage 45V DC, reverse polarity -45V DC
Deutsch sensor connector
ASDD006-09PD-FI-952K
Deutsch mating connector
ASDD606-09SD-FI-952K
CAN Communications
Design standard
ISO 11898-2 (high-speed applications)
Message format
2.0A (11-bit identifier)
Baud rate
1 Mbit/sec
CAN termination resistor
No
Conguration interface
3.3V serial interface
Fuel Compatibility
Pump petrol or diesel
F1® petrol blends
Methanol/petrol blends
WEC standard bioethanol/ETBE blend
Ethanol/petrol blends
IMSA standard E20C
Neat butanol, methanol, or ethanol
IMSA standard E10
Sustainable biofuel
Environmental
Storage temperature
-40ºC to 85ºC
External pressure rating
300 kPa
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The RigFlow advanced ultrasonic flow meter provides race teams and governing bodies the data needed for measuring and assessing fuel usage during races.
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