Tailored solutions for industrial flow measurement

truckflow - gas mass flow pitot tube

truckflow gas mass flow meter
The truckflow-insertion-probe is an ultra-fast gas mass measurement for the air management to automotive engines. It operates on the principle of differential pressure and is insensitive to deposits such as oil films or particles.

A mass measurement for gas according to the differential pressure principle typically consists of a primary element (eg orifice, venturi or nozzle), a differential pressure sensor, a pressure sensor, a temperature sensor and a computing unit that calculates the mass flow or standard volume flow. truckflow combines these five components to the smallest and fastest dp-gas mass flow meter.

Meter quality starts at the front – with an optimal tube profile

flow profile pitot tube deltaflowThe primary element is a miniature pitot tube with a patented tube profile, which is in user for thousands of demanding industrial applications (see deltaflow). In cotrast to thermal mass flow meters (HFM) superficial deposits such as oil films and particles have influence on the reading. The flow-optimized-pitot profile ensures a perfect linearity over a huge span. The pressure losses are largely negligible.

The flow multi meter provides all major air parameters

tfi4 gas mass flow sensor automotive
All sensors and the floe computation are on one board. The highly integratedTFI4- circuit combines dp-, p-, and T-sensors together with an ultra-fast signal analysis and data processing. Via CAN-Bus (others on request) mass flow and pressure and temperature of the fluid are available. In addition, the filtering strategy of the measured values may be adapted dynamically by the engine control unit (ECU). Comprehensive OBD messages are available.

Let us help you!

The air management close to an automotive engine is a very complex and difficult task. Take advantage of our accumulated know-how on best installation sites, signal analysis and filtering, pulsation and flow conditioning. We help you reach fast what you need: A cost optimized and precise air management.


Power Supply

5VDC (stabilized from ECU)

Temperature Ambient


Temperature Fluid


Pressure Fluid

0,4-4,5 (7) bar abs

Material Housing

PBT GF 30 / Messing


tyco HD 6pin HDSCS-connector

Sensor length

40mm (insertion depth may be changed)


Better 2% of flow

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