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Sensor Types

There are many types of sensors. When configuring a sensor, the choice of sensor type depends on used device and its principle of operation.

Sensor type Metrics Description
Impulse fuel consumption sensor The sensor shows an accumulated value of impulses. To convert the incoming value into the amount of consumed fuel, a calculation table should be applied. For such sensor type a calculation table is applied to the difference between two adjacent messages. After sensor creation and adjustment it is necessary to enable impulse fuel consumption sensor on the corresponding tab.
:!: Note, that if a device sends not an accumulated value of impulses, but the number of impulses between messages, then it is necessary to use absolute fuel consumption sensor.
Absolute fuel consumption sensor liters (lt) The sensor detects fuel consumption over all period of vehicle operation. Therefore, to receive data on fuel consumption for the certain period of time, it is necessary to take the readings from the sensor in the end of the chosen period and subtract sensor readings value of the period beginning. After sensor creation and adjustment it is necessary to enable absolute fuel consumption sensor on the corresponding tab.
Instant fuel consumption sensor The sensor shows fuel consumed from the previous measure (message). After sensor creation and adjustment it is necessary to enable instant fuel consumption sensor on the corresponding tab.
Fuel level sensor liters (lt) This sensor is placed in the tank. After sensor creation and adjustment (see example) it is necessary to enable fuel level sensor on the corresponding tab.
Fuel level impulse sensor liters (lt) The sensor detects the number of impulses in a period of time.
Fuel level in the tank is calculated from received values.
Temperature sensor Celsius degrees
(°C)
The sensor showing some parameter value (not necessarily temperature).
It can be used to analyze input data.
Temperature coefficient Temperature coefficient which affects fuel level calculations at different temperature in the tank.
Engine revs sensor rounds per minute (rpm) The sensor displays engine speed.
Engine ignition sensor On/Off This is an engine operation sensor that is used in the report on engine hours as well as in trips/stays detection and counters.
Voltage sensor volts
(V)
The sensor showing some parameter value (not necessarily voltage).
It can be used to analyze input data.
Custom digital sensor On/Off This sensor can register two states.
Its values can be displayed in unit info tip or sent to report.
Custom sensor any This is a custom sensor for which you can set any unit of measure.
Its values can be displayed in unit info tip or sent to report.
Mileage sensor kilometers (km) or miles (mi) The sensor showing the distance travelled.
It can be used to detect trips and stays.
Relative odometer kilometers (km) or miles (mi) The sensor shows the distance travelled since the previous message.
It can be used to detect trips and stays.
Engine efficiency sensor on/off Defines whether attached implements is operating. Shows the time of work between switchings of states (from 1 to 1 or 0).
Absolute engine hours hours The sensor registers the total amount of engine hours.
Relative engine hours hours The sensor registers the amount of engine hours subject to intensity of work.
Counter sensor number The sensor can show passenger traffic or count the number of some actions like opening/closing the door, etc. Several types of counters are known:
– instant (counts the number from the previous to the current message),
– differential (shows total number), differential with overflow (2 bytes),
– switcher from OFF to ON (counts the number of activations),
– switcher from ON to OFF (counts the number of deactivations).
Besides, you can enter any metrics for this sensor (used in reports).
Accelerometer G This types of sensor is used to measure acceleration at X, Y, Z axes and immediately detect a collision of cars.
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