FlowSonic® GP
The FlowSonic® GP is the ultrasonic fuel flow meter of choice for use in IndyCar®. As the newest ultrasonic fuel flow meter in our on-vehicle motorsport range, the FlowSonic® GP features the latest upgrades including dual CAN bus output options for teams and governing bodies to read data on separate channels.
Measurement Performance
± 8000 ml/min
Operating Flow Range
2.2 kHz
Measurement Rate
±0.05% of reading
Highly accurate and repeatable
Dual 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
Engineered to ensure ultimate fuel consumption monitoring, the FlowSonic® GP is a versatile on-vehicle flow meter implemented for fair competition and surveillance by governing bodies. The IndyCar® fuel flow meter of choice.
Engineered for Precision Performance in Race Cars
The FlowSonic® GP is the ultimate motorsport flow meter, delivering precise fuel and fluid measurements with ±0.05% accuracy. Its compact, lightweight, and vibration-tolerant design makes it ideal for demanding racing environments. This ultrasonic flow meter is built for performance.
Dual CAN bus Capability
Featuring the ability to run a second CAN bus, this new dual output option enables both teams and motorsport governing bodies to see real-time on-vehicle fuel consumption, with the option for encryption.
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 flow (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
Firmware security check-sums
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
ASDD006-09PD-FI-952K
CAN Communications
Design standard
ISO 11898-2 (high-speed applications)
Message format
2.0A (11-bit identifer)
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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