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Тема: Axle load sensor Eurosens Difference 01 (Air spring suspension)

airsuspension

Pneumatic axle load sensor is designed to measure the current axle load of a vehicle with air suspension. The sensor can be connected to any AVL unit with an analog (voltage) input.

Parameters    

- type of output                             voltage, V
- supply voltage, V                        8-32
-Input pressure, MPa                 0-0,8
Thread                                     М16 х 1 ,5
Weight, kg                                  0,15
    
Precision    
Max error of pressure value measurement          2.5%

Operation conditions    
Ambient temperature range,°С    from -40 to +80


Output of sensor:



Power supply voltage, V                      Pressure, KPa              Output voltage, V (±115 mV)
24,5±0,5                                                   0                                         0,205
                                                                100                                       0,635
                                                                200                                       1,087
                                                                300                                       1,542
                                                                400                                        1,99
                                                                500                                        2,432
                                                                600                                        2,910
                                                                700                                        3,367
                                                                800                                        3,817


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2 (2015-11-08 00:53:48 отредактировано Mechatronica)

Re: Axle load sensor Eurosens Difference 01 (Air spring suspension)

The sensor is connected to the pneumatic suspension of a vehicle, and measures the current pressure in system. The pressure proportional to the load on the axle. In the simplest case, it 1 sensor on the rear suspension of the truck is enough. However, if there is a need to improve the accuracy, you can mount the sensor on the front suspension too.
After installation, you must hold a calibration (load truck with cargo portions of given weight). No need to make calibration immediately. It can also be performed during operation of the vehicle.

Calibration table must be recorded in AVL software or GPS tracker.



There is several methods of mounting this sensor.

Method 1 (without mounting kits).

This installation option is available when air suspension has plugs for connection of sensor directly into the threaded hole M16 × 1,5. In such cases, these openings can be set using a pressure sensor and a sealing washer ring bundled with the sensor.

Axle load sensor Difference 01
Fig 1 - Installation under method 1


axle load sensor

axle load sensor

Method 2 (using the mounting kit "M22")

This installation option is not verydifferent from the first for him the only difference is that in some vehicles plugs and valve control output installed in the threaded holes M22 × 1,5, so to install the sensor need to acquire additional adapter nut, washer and ring installation diagram will look as shown in Figure 2.
Eurosens Difference 01
Figure 2 - Position the pressure sensor on the vehicle according to an method 2 in hole M22 × 1,5, using the optional mounting kit.



Method 3 (using the universal mounting kit)
This installation option involves the installation of a pressure transmitter into air system with a tee adapter like shown on fig.3.   
Axle load sensor Difference 01
Figure 3 - Option to install a pressure sensor on the vehicle under method 3:
kit (A) and on vehicle (B)

Method 4 (using the universal mounting kit)
This installation option involves the installation of  tee adapter into air system pipe directly. This option is recommended if you can use  regular hole like in Method 3.
Axle load sensor Difference 01
Figure 4 - Installation of pressure sensor under method 4:
kit (A) and on vehicle (B)



Method 5 (using the universal mounting kit)
Recommended for use in case of inability to use the installation method described above. In this way, installation increases the complexity and increases the number of mounting locations, which reduces the reliability of the pneumatic vehicle system.

Eurosens Difference 01
Method of installation №5


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3

Re: Axle load sensor Eurosens Difference 01 (Air spring suspension)

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