The performance of all air-breathing engines is highly dependant
on intake air conditions.
Engine testing and calibration that ignores intake air
conditions will be biased by the ambient conditions of that
particular day of testing. This is most evident with on-the-road
testing where ambient conditions cannot be controlled and are most
extreme. As a result, the test results or calibration will have a
random effect due to weather, and suboptimal emissions and fuel
economy may result.
As emissions and fuel economy regulations get more severe, this
randomness in test and calibration quality cannot be tolerated.
ECM's baroCAN module is a compact and rugged measurement system
that provides all the important air conditions:
- Humidity
- %O2
- Dew point
- Temperature
- Absolute Pressure
These parameters are available in all known units via CAN
communication.
By including these parameters in the test data set, correction
of the test data and modification of the calibration can be
performed resulting in better optimised engine operation.
baroCAN's sensors can be easily mounted in a variety of
locations and contain calibration memory chips.
PC software to set-up CAN communication, view and log data and
calibrate the sensors is included.
| Specifications |
| Range: |
RH 0 to 100%
Temperature -40 to 125°C
Pressure 0 to 500 kPa Absolute
Dew Point 0 to 125°C
%O2 0 to 20.946%
|
| Accuracies: |
RH ±2%
Temperature ±0.3°C
Pressure ± 0.7 kPa (± 0.10 psia)
Dew Point ±0.88°C
%O2 ±0.02% |
| Response Time: |
1 sec (RH, Temperature, Dew Point, %O )
25 msec (Pressure) |
| CAN: |
High Speed according to ISO 11898 |
| Sensors: |
1 RH & Temperature Sensor
1 Pressure Sensor |
Sensor Mounting:
|
1/4" NPT/ISO (RH &
Temperature)
1/4" NPT/ISO (Pressure)
|
Cable:
|
0.6m (sensors)
1m (standard extension)
2m (optional extension)
|
| Power: |
6 to 32 VDC, (optional AC/DC supply available) |
| Size & Weight: |
145mm x 120mm x 40mm (4.75" x 1.5" x 5.75"), 234 gm (8.25
oz) |
| Environmental: |
IP67, -55 to +125°C, 100% humidity, environmentally sealed |
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