What's wrong with my fuel gauge? Diagnosing a bad fuel sending unit

Technical characteristics

The measurement error in the work-space, no more 1%
Operation mode digital
Digital mode:
– interface
– the communication protocol
Bluetooth LE (BLE)
Escort BLE
Range (under normal operating conditions in the absence of interference and obstacles when working with the base) not less than 10 meters
The period of data exchange with the base 10 seconds
The sensitivity of the receiver / transmitter power -96 dBm / 4 dBm
The degree of protection according to GOST 14254 IP69S
Protection against electrocution by GOST class III
Type of explosion protection intrinsically safe electrical circuit (“ia” level of protection)
Explosion proof mark OEx ia IIB T6 X
Categories of explosive mixtures according to GOST R IEC 60079-20-1-2011 categories IIA, IIB
Explosion hazardous areas according to GOST IEC 60079-10-1-2011 0; 1 and 2
Operation conditions:
– temperature, °C
– ambient temperature, °C
– atmosphere pressure, kPa
– ambient atmosphere pressure, kPa
– 45 … + 50
– 60 … + 85
84 … 106.7
57 … 110
Dimensions, no more 90x90x(L + 38)mm, where L – sensor length in mm
Conditional sensor length Indicated on the label (pasted in the passport)
Weight, no more 0,35+0,4хL, where L – is the sensor length in meters
Supply voltage, no more V 3,6

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Select the device

Escort TD-BLE

Eskort TL-BLE

Water level sensor Escort ALS

Eskort TH-BLE

Escort TD-600

Escort TD-500

Escort TD-150


Escort DU-BLE

Escort DU-180

Weather station Sokol-M Russia

Escort DB-2

Escort DGV-200

Escort I4


Wireless Fuel Level Sensor – Application

A classic application of a wireless fuel level sensor is the control of fuel on commercial vehicles. The sensor itself is traditionally installed in the tank of a vehicle in accordance with the recommendations for installing all other fuel sensors. The advantage of this type of sensor is that there is no need to lay a cable for connecting between the sensor and the data transfer tracker to the monitoring system, which significantly speeds up the installation process, eliminates the need to intervene in the vehicle wiring, eliminates the problem of wear of the connecting wires and the reliability of the connecting connectors. All data is transmitted wirelessly directly to the tracker or to the BLE-RS485 receiver if the tracker model is outdated and does not support direct connection via a wireless communication channel. Data from the tracker is transmitted to the monitoring system, which allows you to control all data on gas stations, fuel consumption and possible fuel drain, with the exact time, date and location of the vehicle being monitored.

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Илья Коршунов
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