One sealed multi-sensor for accurate volume flow calculation in a dusty, vapour-laden air intake.
NiniX Technologies developed and produces a multi-sensor that measures the temperature, pressure and humidity of intake air in one module. With these real-time measurements, the control system calculates the volume flow accurately and optimises efficiency. The sensor components are hermetically sealed against the dust, vapours and vibration in the air intake.
To calculate the volume flow, the control system needs reliable values for temperature, pressure and humidity at the same time. The sensor sits directly in the intake air, where it is exposed to a constant flow of microscopic fine dust, oil and fuel vapours, heavy vibration and changing atmospheric humidity. Under these conditions, unprotected sensor components drift or fail.
NiniX developed a single sensor module that combines three measurements.
The temperature of the intake air, measured in real time.
The intake pressure, as input for the volume flow calculation.
The air humidity, which changes with weather and operating conditions.
The electronics protection hermetically seals the sensor components from the intake air, so dust, vapours and moisture cannot reach them. NiniX handles both the development and the series production of the sensor.
The control system receives reliable temperature, pressure and humidity data at the same time and uses it to calculate the volume flow accurately. This allows the process to be optimised for efficiency, with measurements that remain reliable in a dusty, vapour-laden environment.
| Application | Real-time measurement of intake air for volume flow calculation |
| Measured parameters | Temperature, pressure, humidity |
| Environment | Fine dust, oil and fuel vapours, heavy vibration, changing humidity |
| Protection | Hermetic sealing of the sensor components |
| NiniX scope | Sensor development and series production |
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